testing nmol[CO2]g-1[DM]s-1 The respiration rate adjusted to 25 °C expressed per unit leaf dry mass Leaf_respiration_at_25_c_mass testing cm2 The one-sided projected surface area of a single leaflet of a compound leaf Leaflet_area testing testing Unitless The ratio of light absorbed by a leaf relative to incoming radiation Leaf_absorbance testing g[DM]g-1[DM] The ratio between below-ground and above-ground plant biomass Rootshoot_ratio testing mg[N]m-2 The total amount of nitrogen per unit of leaf area (one-sided) Leaf_nitrogen_content_area testing microm3 The average volume of a leaf cell Leaf_mean_cell_size_volume testing categorical Leaf_palatability testing categorical The common types of timing and duration of survival behavior of individual plants in the absence of disturbances or catastrophes Life_history testing µmol[CO2]m-2s-1 The maximum carboxylation capacity per unit leaf area measured at 25°C Vcmax_at_25_c_area testing m The shortest distance between the highest leaf elongated vertically on a plant at the flowering stage and the ground level Flowering_plant_height_heighest_leaf_elongated testing mm Tickness of the part of the stem that is external to the wood including vascular cambium Bark_thickness testing m The height at which mature seeds are spontaneously released Releasing_height testing mg[C]mm-2[onesidedarea] The total amount of carbon per unit of leaf area (one-sided) Leaf_carbon_content_area testing Unitless The variance of the three dimensions length width and height dividing each dimension by length so that length is unity Seed_shape testing mm The average diameter of roots Root_diameter 2010-1-6 testing m The shortest distance between the upper boundary of the main photosynthetic tissues on a plant and the ground level Vegetative_plant_height testing m-1 The total number of leaves on a shoot divided by its length Leaf_number_per_unit_shoot_length testing testing g[DM]kg-1[DM]d-1 The rate of litter decomposition measured under standardized conditions Potential_decomposition_rate_of_litter testing testing categorical Leaf_sclerophylly testing mm The largest linear dimension of a dispersule Dispersule_length testing m The shortest distance between the upper boundary of the main photosynthetic tissues and the ground level for a 20-year old plant Height_at_20_years testing gm-3 A measure of how the root biomass of an individual is distributed vertically through the soil per unit depth Root_depth_distribution testing microm2 The cross-sectional area of a cell from palissadic parenchyma Leaf_lamina_cell_size_palissade_parenchyma_area testing mm The third linear dimension of a dispersule Dispersule_height testing µmol[CO2]m-2s-1 The leaf respiration rate at measurement temperature expressed per unit leaf area Leaf_respiration_rate_area testing g[C]g-1[DM] The total amount of carbon per unit of dry stem mass Stem_wood_carbon_concentration_mass testing microm3 The volume of a mesophyll cell Leaf_mesophyll_cell_size_volume testing Degree The average angle of the leaf relative to horizontal Leaf_angle testing µmol[CO2]m-2s-1 The rate of branch maintenance respiration at specified temperature expressed per unit branch area Branch_maintenance_respiration_at_given_temperature_area testing m The maximum vegetative height recorded for the species Maximum_plant_height testing categorical The ability of a plant to withstand drought Tolerance_to_drought testing years The length of time a plant remains alive Lifespan testing years The mean age of saplings at the first successful reproduction i.e. when most of the saplings produce the first seed crop Age_of_maturity_of_saplings testing mg-1 The ratio of root length to root mass Specific_root_length testing g[C]g-1[DM] The total amounts of carbon per unit of dry branch wood mass Branch_wood_carbon_concentration_mass testing testing mm The smallest linear dimension of a seed Seed_width testing testing Nm-1 The force needed to tear a leaf (fragment) divided by its width Leaf_tensile_strength testing testing mm The smallest linear dimension of a dispersule Dispersule_width testing m The shortest distance between the upper boundary of the main photosynthetic tissues on a plant and the ground level Typical_plant_height testing microm The largest dimension of an epidermis cell as measured on a leaf cross-section Leaf_epidermis_cell_size_length testing categorical The mode of uptake of main macronutrients (mainly nitrogen and phosphorus) Nutrient_uptake_strategy testing m The shortest distance between the top of the inflorescence and the ground level Height_of_inflorescence_top testing testing µmol[CO2]g-1[DM]s-1 The maximum carboxylation capacity per unit leaf mass measured at 25°C Vcmax_at_25_c_mass testing categorical The ability of a plant to withstand frost Tolerance_to_frost testing mm The largest linear dimension of a seed Seed_length testing categorical The ability of a plant to withstand windthrows Tolerance_to_windthrow testing cm The width of a single leaflet of a compound leaf Leaflet_width testing N The force needed to cut a leaf or leaf fragment at a constant angle (e.g. 20°) and speed Leaf_resistance_to_fracture testing microm The largest dimension of a mesophyll cell as measured on a leaf cross-section Leaf_mesophyll_cell_size_height testing m The diameter of a woody plant measured at 1.3 m above the ground Stem_diameter_at_1.3_m_dbh testing mg[P]g-1[DM] The total amount of phosphorus per unit of wood dry mass Wood_phosphorus_concentration_mass testing categorical The occurrence and distribution of wood along the stem Woodiness testing kg[DM]dm-3 The oven-dry mass of roots divided by their volume when still fresh Root_tissue_density testing mg[P]g-1[DM] The total amount of phosphorus per unit of bark dry mass Bark_phosphorus_concentration_mass testing nmol[CO2]g-1[DM]s-1 The leaf respiration rate at measurement temperature expressed per unit leaf dry mass Leaf_respiration_rate_mass testing m The shortest distance between the highest leaf as it spontaneously stands on a plant at the flowering stage and the ground level Flowering_plant_height_heighest_leaf_not_elongated testing kg[DM]dm-3 Wood_specific_gravity testing m The shortest distance between the upper boundary of the main photosynthetic tissues on a plant and the ground level Plant_height_observed testing m The shortest distance between the highest flower borne by plant and the ground level Maximum_height_observed_of_flower testing categorical The timing of foliage of the whole canopy Leaf_phenology testing categorical The ability of a plant to resprout after destruction of most of its aboveground biomass Resprouting_capacity_after_disturbance testing testing nmol[CO2]g-1[DM]s-1 The maximum photosynthetic rate per leaf dry mass at measurement temperature Photosynthetic_rate_dry_mass testing compound The ability of a plant species to ignate and spread flames Flammability testing mg[P]m-2 The total amount of phosphorus per unit of leaf area (one-sided) Leaf_phosphorus_content_area testing C The ability of a shoot to withstand frost Frost_hardiness_shoot testing Unitless The variance of the three dimensions length width and height dividing each dimension by length so that length is unity Dispersule_shape testing categorical The need for seeds to be stimulated by digestion by an animal to germinate Germination_stimulation_by_digestion testing testing m An estimate of the depth above which 95% of the root biomass of a species is located %95_rooting_depth testing years The time length during which seeds persist in the soil Seed_longevity testing testing µmol[CO2]m-2s-1 The maximum carboxylation capacity per unit leaf area at ambient temperature Vcmax_at_ambient_temperature_area testing mm2 The cross-sectional area of conduits (vessels or tracheids) in a trunk Conduit_vessel_and_tracheid_area testing years The mean age of resprouts at the first successful reproduction i.e. when most of the resprouted plants produce the first seed crop Age_of_maturity_of_resprouts testing µmol[CO2]m-2s-1 The rate of stem total respiration at specified temperature expressed per unit stem area Stem_respiration_growing_at_given_temperature_area testing mg[P]g-1[DM] The total amount of phosphorus per unit of litter dry mass Litter_phosphorus_concentration_mass testing categorical Determined in relation to canopy structure and canopy height Plant_growth_form testing compound The sensitivity of the root a plant species to cavitation under highly negative water potantials Root_vulnerability_to_embolism testing nmol[CO2]g-1[N]s-1 The rate of stem maintenance respiration at specified temperature expressed per unit stem nitrogen Stem_maintenance_respiration_at_given_temperature_nitrogen testing cm The length of a single leaflet of a compound leaf Leaflet_length testing testing cm The length of the leaf blade Leaf_blade_length testing g[DM]m-2 The oven-dry mass of a leaf divided by its one-sided area Leaf_mass_per_area testing nmol[CO2]g-1[DM]s-1 The rate of root total respiration at specified temperature expressed per unit root dry mass Root_respiration_growing_tissue_at_given_temperature_mass testing mg The oven-dry mass of a seed Seed_dry_mass testing testing testing C The ability of a stem to withstand frost Frost_hardiness_stem testing µmol[CO2]m-2s-1 The rate of leaf total respiration at specified temperature expressed per unit leaf area Leaf_respiration_growing_tissue_at_given_temperature_area testing kgm-1s-1MPa The rate of water flow per unit cross-sectional xylem area and per unit gradient of pressure Specific_xylem_hydraulic_conductivity testing categorical The presence and amount of spines, thorns and/or prickles on a plant Spinescence testing categorical C3 C4 CAM Photosynthetic_pathway testing The rate of leaf michondrial respiration measured in the light calculated by fitting the Farquhar-von Caemmerer model to the A-Ci curve Leaf_mitochondrial_respiration_in_the_light_farquhar testing nmol[CO2]g-1[DM]s-1 The rate of stem maintenance respiration at specified temperature expressed per unit stem mass Stem_maintenance_respiration_at_given_temperature_mass testing cm The width of the leaf blade Leaf_blade_width testing mg[N]m-2 The total amount of nitrogen per unit of leaf litter area (one-sided) Litter_nitrogen_concentration_area testing testing testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry fine root mass Fine_root_nitrogen_concentration_mass testing testing microm2 The cross-sectional area of a phloem cell Leaf_vascular_bundle_cell_size__phloem_area testing mg The air-dried mass of a seed Seed_mass testing m2m-2 The proportion of stem cross-sectional area that is conducting area Conduit_lumen_area_per_sapwood_area testing categorical The mode by which a plant is pollinated Pollination_syndrome testing microm2 The cross-sectional area of an epidermis cell Mean_epidermal_cell_size_area testing microm2 The cross-sectional area of a sclerenchyma cell Leaf_vascular_bundle_cell_size__sclerenchyma_area testing years The maximum length of time a plant remains alive Maximum_plant_longevity testing testing mm-2 Number of conduits (vessels and tracheids) per unit area of (??: to be determined) Conduit_vessel_and_tracheid_density testing categorical The ability of a plant to withstand high temperatures Tolerance_to_high_temperatures testing m The largest dimension of a plant canopy Canopy_diameter_along_the_longest_axis testing µmol[CO2]m-2s-1 The rate of stem maintenance respiration at specified temperature expressed per unit stem area Stem_maintenance_respiration_at_given_temperature_area testing testing µmol[CO2]g-1[DM]s-1 The maximum carboxylation capacity per unit leaf mass at ambient temperature Vcmax_at_ambient_temperature_mass admin@cefe.cnrs.fr admin testing testing cm2 The one-sided projected surface area of a single leaf or leaf lamina Leaf_area testing testing categorical Mycorrhizal_type testing m The shortest distance between the upper boundary of the main photosynthetic tissues on a plant as it spontaneously stands and the ground level Vegetative_plant_height_not_elongated testing microm2 The cross-sectional area of a cell from lower epidermis (hypodermis) Leaf_lamina_cell_size__abaxial_lower_epidermis_hypodermis_area testing C The ability of a leaf/bud to withstand frost Frost_hardiness_leaf__bud testing kg[DM]dm-3 The oven-dry mass of a section of a plant's main stem divided by the volume of the same section when still fresh Wood_density_stem_specific_density testing C The ability of a seedling to withstand frost Frost_hardiness_seedling testing C The ability of fine roots to withstand frost Frost_hardiness_fine_root testing categorical Determined in relation to the position of the perennating (meristematic) tissue to ground surface Plant_life_form_raunkiaer_life_form testing MPa The state of water in the leaf Leaf_water_potential testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry branch mass Branch_nitrogen_concentration_mass testing testing testing categorical Mode of dispersal of dispersule (or propagule: unit of seed fruit or spore as it is dispersed) Dispersal_syndrom testing testing categorical Describes any metamorphoses of roots e.g. for belowground storage Root_metamorphoses testing nmol[CO2]g-1[DM]s-1 The respiration rate adjusted to mean growth season temperature expressed per unit leaf dry mass Leaf_respiration_at_growth_temperature_mass testing nmol[CO2]g-1[DM]s-1 The rate of root maintenance respiration at specified temperature expressed per unit root dry mass Root_maintenance_respiration_at_given_temperature_mass testing nmol[CO2]g-1[DM]s-1 The rate of branch total respiration at specified temperature expressed per unit branch dry mass Branch_total_respiration_growing_at_given_temperature_mass testing categorical The ability of a plant to resprout after fire Resprouting_capacity_after_fire testing microm2 The cross-sectional area of a mesophyll cell Leaf_mesophyll_cell_size_area testing testing categorical The type of regeneration after fire Regeneration_after_fire_by_seeds_andor_resprouts testing nmol[CO2]g-1[N]s-1 The rate of root total respiration at specified temperature expressed per unit root nitrogen Root_respiration_growing_tissue_at_the_given_temperature_nitrogen testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry coarse root mass Coarse_root_carbon_concentratio_mass testing testing categorical The morphology of seedlings in relation to cotyledons function and position Seedling_functional_morphology testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry leaf mass Leaf_nitrogen_concentration_mass testing g[C]g-1[DM] The total amount of carbon per unit of dry litter mass Litter_carbon_concentration_mass testing testing mg[P]g-1[DM] The total amount of phosphorus per unit of leaf dry mass Leaf_phosphorus_concentration_mass testing µmolm-2s-1 The maximum electron transport rate per unit leaf area measured at ambient temperature Jmax_at_ambient_temperature_area testing m-1 The number of living ramifications (branches) per stem length Branching_architecture testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry bark mass Bark_nitrogen_concentration_mass testing nmol[CO2]g-1[N]s-1 The rate of stem total respiration at specified temperature expressed per unit stem nitrogen Stem_respiration_growing_at_given_temperature_nitrogen testing g[C]g-1[DM] The total amount of carbon per unit of dry leaf mass Leaf_carbon_concentration_mass testing testing testing m The shortest distance between the top of reproductive structures and the ground level Reproductive_plant_height testing categorical The ability of a plant to withstand low light conditions Tolerance_to_shade testing µmolm-2s-1 The maximum electron transport rate per unit leaf mass measured at ambient temperature Jmax__at_ambient_temperature_mass testing testing testing microm2 The cross-sectional area of a xylem cell Leaf_vascular_bundle_cell_size__xylem_area testing mg[P]g-1[DM] The total amount of phosphorus per unit of coarse root dry mass Coarse_root_phosphorus_concentration_mass testing C The ability of the shoot cambium to withstand frost Frost_hardiness_shoot_cambium testing testing mgg-1 The oven dry mass of a twig divided by its water saturated fresh mass Twig_dry_matter_content testing m The dimension of a plant canopy perpendicular to the largest dimension Canopy_diameter_perpendicular_to_first_axis testing testing µmol[CO2]m-2s-1 The maximum photosynthetic rate per leaf area at measurement temperature Photosynthetic_rate_area testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry litter mass Litter_nitrogen_concentration_mass testing testing C The ability of roots to withstand frost Frost_hardiness_root testing testing testing categorical The ability of a plant species to reproduce itself vegetatively, thereby producing new 'ramets' (aboveground units) and expanding horizontally Clonality testing testing categorical yes/no Multi-stemness testing testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry total plant mass Total_plant_nitrogen_concentration_mass testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry stem mass Stem_nitrogen_concentration_mass testing C The ability of the root cambium to withstand frost Frost_hardiness_root_cambium testing C The ability of a twig to withstand frost Frost_hardiness_twig testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry cotyledon mass Cotyledon_nitrogen_concentration_mass testing months The time period during which an individual leaf or part of a leaf is alive and physiologically active Leaf_lifespan testing compound The sensitivity of the shoot a plant species to cavitation under highly negative water potantials Shoot_vulnerability_to_embolism testing m The depth of the longest root of a plant Rooting_depth testing m The shortest distance between the upper boundary of the main photosynthetic tissues on a plant and the ground level Canopy_height_observed testing nmol[CO2]g-1[DM]s-1 The rate of stem total respiration at specified temperature expressed per unit stem mass Stem_respiration_growing_at_given_temperature_mass testing µmol[CO2]m-2s-1 The rate of leaf maintenance respiration at specified temperature expressed per unit leaf area Leaf_maintenance_respiration_at_given_temperature_area testing testing testing categorical The capacity to fix nitrogen Nitrogen-fixation_capacity testing The rate of leaf mitochondrial respiration in the light calculated by fitting the Blackman response Leaf_mitochondrial_respiration_in_the_light_blackman testing Unitless The pH of green leaf tissue Leaf_ph testing categorical Leaf_compoundness testing testing testing Nm-2 Leaf_puncturability testing mgg-1 The oven dry mass of a leaf divided by its water saturated fresh mass Leaf_dry_matter_content testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry wood mass Wood_nitrogen_concentration_mass testing m2m-2 The total leaf area of the canopy divided by the sapwood area Leaf_area_per_sapwood_area testing categorical The ability of a plant to resprout after clipping Resprouting_capacity_after_clipping testing m The shortest distance between the highest leaf borne by plant and the ground level Maximum_height_observed_of_leaf testing ‰ The 13C/12C ratio of leaf biomass relative to that of a standard (usually Pee Dee Belemnite) Leaf_delta13carbon_13c testing testing m2kg-1[DM] The one sided area of a fresh leaf devided by its oven-dry mass Specific_leaf_area testing categorical The need for seeds to be stimulated to germinate Germination_stimulation testing mg[N]g-1[DM] The total amount of nitrogen per unit of dry root mass Root_nitrogen_concentration_mass testing µmol[CO2]m-2s-1 The rate of branch total respiration at specified temperature expressed per unit branch area Branch_total_respiration_growing_at_given_temperature_area testing Unitless The pH of senesced leaves (leaf litter) Leaf_litter_ph testing nmol[CO2]g-1[DM]s-1 The rate of branch maintenance respiration at specified temperature expressed per unit branch mass Branch_maintenance_respiration_at_given_temperature_mass testing mm The third linear dimension of a seed Seed_height