| bole | habit | large trees 30+ m or small trees |
| bole | buttresses | absent or present |
| bole | buttress_and_root_type | convex |
| bole | buttress_size | short or tall |
| bole | spines | absent |
| bole | bark_outer_color | red or gray or brown |
| bole | bark_peeling | not peeling |
| bole | slash_color | red or brown |
| bole | slash_lamination | absent |
| bole | slash_odor | absent |
| bole | exudate | absent |
| twig | terminal_buds_enclosed_by_leaves | no |
| twig | clumped_hairs | absent |
| twig | complex_hairs | leaf |
| twig | complex_hair_type | peltate |
| twig | stinging_hairs | absent |
| twig | mature_twig_indumentum | absent |
| twig | twig_cross_section | terete |
| twig | leaf_location | clustered at twig end |
| twig | leaf_insertion | alternate |
| twig | leaf_plane | spiral |
| stipule | stipules | absent |
| leaf | leaf_scalelike_or_needlelike | none |
| leaf | leaf_complexity | compound |
| leaf | compound_leaf_form | pinnate |
| leaf | compound_leaf_pinnation | paripinnate |
| leaf | leaflet_position | alternate or opposite |
| leaf | rachis_length | longer than longest leaflet |
| leaf | rachis_glands | absent |
| leaf | petiole_length | less than a quarter |
| leaf | petiole_winged | not winged |
| leaf | petiole_attachment | base of leaf |
| leaf | petiole_base_swelling | not swollen |
| leaf | petiole_apex_swelling | not swollen |
| leaf | petiole_cross_section | terete or grooved |
| leaf | petiole_wrinkling | smooth |
| leaf | leaf_similarity | homophyllus |
| leaf | leaf_texture | coriaceous |
| leaf | leaf_base | asymmetrical or symmetrical |
| leaf | leaf_dissection | not dissected |
| leaf | leaf_margins | entire or toothed |
| leaf | margin_plane | flat |
| leaf | leaf_base_shape | cordate or rounded |
| leaf | leaf_apex_shape | acute |
| leaf | upper_leaf_surface | matte |
| leaf | lower_leaf_surface | matte |
| leaf | primary_venation | pinnate |
| leaf | primary_vein_above | flat or sunken |
| leaf | secondary_vein_spacing | open |
| leaf | secondaries_above | raised or sunken |
| leaf | secondary_vein_course | mostly parallel |
| leaf | secondary_vein_angle | medium |
| leaf | secondary_vein_termination | brochidodromous or craspedodromous |
| leaf | secondary_vein_branching | branched |
| leaf | intersecondary_veins | all less than half or few more than half |
| leaf | tertiary_veins_above | flat or not visible |
| leaf | tertiary_vein_form | weakly percurrent or reticulate |
| leaf | direction_of_percurrence | perpendicular to midrib or parallel to midrib |
| leaf | ramified_branching | absent |
| leaf | domatia | absent or present |
| leaf | domatia_type | hair tufts |
| leaf | domatia_distribution | along midrib |
| leaf | leaf_glands | absent |
| leaf | marginal_and_petiolar_glands | absent |
| leaf | hairs_on_mature_leaf | absent or present |
| leaf | hair_density | sparse |
| inflor | inflorescence | multiple |
| inflor | inflorescence_position | terminal or axillary |
| inflor | inflorescence_axis | unbranched |
| inflor | specialized_inflorescence_units | absent |
| flower | numerous_persistant_floral_bracts | absent |
| flower | floral_sexuality | at least some unisexual |
| flower | floral_oecy | monoecious |
| flower | peduncle | absent |
| flower | flower_size | microscopic or to about 0.5 cm |
| flower | floral_symmetry | actinomorphic or irregular or zygomorphic |
| flower | floral_column | absent |
| flower | hypanthium | absent |
| flower | disk | absent |
| flower | perianth | present |
| flower | perianth_type | T only |
| flower | tepal_number | 3-4 |
| flower | sepal_persistence | caducous |
| male | stamen_number | 4-13 |
| male | stamen_filaments | present |
| male | stamen_fascicling | all free |
| male | stamen_adnation | free |
| male | stamen_size | equal sizes |
| male | stamen_mery | isomerous or diplostemonous or triplostemonous |
| male | anther_locule_number | 2 |
| male | anther_fixation | basifixed |
| male | anther_adornment | not awned |
| male | anther_dehiscence | long slits |
| female | ovary_position | inferior |
| female | carpel_arrangement | syncarpous |
| female | carpel_number | 2 |
| female | locule_number | 1 |
| female | style_presence | solitary including joined |
| female | stigma_lobes | 2(-4) |
| female | stigma_shape | not distinctive |
| fruit | common_fruit_type | nut |
| fruit | fruit_fleshiness | not fleshy |
| fruit | fruit_aggregation | not multiple or aggregate |
| fruit | fruit_dehiscence | indehiscent |
| fruit | fruit_accessory_tissue | no fleshy perianth parts |
| fruit | fruit_wings | present |
| seed | seed_number_and_multiple | 1 |
| seed | seed_size | less than 5 mm |
| seed | seed_wings | absent |
| seed | seed_ruminations | seed uniform |
| seed | seed_aril | absent |
| seed | seed_endosperm | present |
| info | field_characters | compound leaves with opposite to subopposite leaflets; flowers small and in spikes; fruit a nut enclosed in a papery 3-winged bract |
