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Hansen & Rahn | Family List

Ixonanthaceae (Bentham) Exell & Mendonca

habit
woody plants

distribution
African, Asian, South American

leaf: position
alternate

leaf: nature
not compound

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

margin
with entire margin, dentate

leaf: stipules
present

inflorescence
raceme, simple, sympodial, 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 calyx and corolla

flower: sepal number
5

flower: sepal position
all free from one another, 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
5, 10, 11+

stamen: anthers
dorsifixed or ventrifixed, basifixed, introrse, extrorse, opening by longitudinal slits

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

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

pistil: carpel
3, 4, 5

pistil: ovary
2-locular, 3-locular, 4-locular, 5-locular

pistil: ovule
1 in each loculus, 2 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
a capsule

fruit: seed
3+ seeds

seed: aril
arillus or arill-like organs present

seed: embryo
straight, curved

seed: endosperm
seeds with endosperm


 

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