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Hansen & Rahn | Family List

Akaniaceae Stapf

habit
woody plants

important diagnostics
spiny stems or leaves

distribution
Australian and Oceanian

leaf: position
alternate

leaf: nature
compound, pinnately compound

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

margin
dentate

leaf: stipules
absent

inflorescence
compound, sympodial or monopodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
enlarged, totally or partially free from the ovary

flower: disc
absent

flower: perianth number
7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
5

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted

flower: petal number
5

flower: petal position
all free from one another

flower: petal nature
petals contorted

stamen: number
6, 8, 9

stamen: anthers
basifixed, introrse, opening by longitudinal slits

stamen: filaments
free from the corolla, not connate

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

pistil: carpel
3

pistil: ovary
3-locular

pistil: ovule
2 in each loculus

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

fruit: type
a capsule

fruit: seed
3+ seeds

seed: embryo
straight

seed: endosperm
seeds with endosperm


 

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