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Hansen & Rahn | Family List

Humiriaceae Adr. Jussieu

habit
woody plants

hairs
glandular

distribution
African, North American, South American

leaf: position
alternate

leaf: nature
not compound

leaf: venation
pinnate or hardly visible in leaves or leaflets.

margin
with entire margin

leaf: stipules
absent

inflorescence
corymb, compound, sympodial or monopodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
present

flower: perianth number
7+

flower: perianth nature
perianth of similar segments, perianth of calyx and corolla

flower: sepal number
5

flower: sepal position
connate

flower: sepal nature
sepals imbricate or contorted

flower: petal number
5

flower: petal position
all free from one another, petals imbricate

flower: petal nature
petals contorted

stamen: number
10, 11+

stamen: anthers
dorsifixed or ventrifixed, introrse, opening by longitudinal slits, 1-locular at anthesis

stamen: filaments
free from the corolla, not connate, connate into 1 tube or bundle

stamen: other characters
anthers with a conspicuous appendage

pistil: style
style 1, or styles more or less connate

pistil: carpel
5, 6+

pistil: ovary
5-locular, 6+ locules

pistil: ovule
1 in each loculus, 2 in each loculus, 3+ in each loculus

pistil
ovules axile, carpels connate, ovules attached to the central axis or ventrally in apocarpae, ovules attached to the apex of the ovary

fruit: type
fleshy

fruit: seed
3+ seeds

seed: embryo
straight

seed: endosperm
seeds with endosperm


 

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