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Hansen & Rahn | Family List

Donatiaceae Hutchinson

habit
herbaceous plants

distribution
Australian and Oceanian, 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
solitary

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
enlarged, completely united with the ovary, totally or partially covering it

flower: disc
present

flower: perianth number
7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
5, 6+

flower: sepal position
all free from one another

flower: sepal nature
sepals valvate

flower: petal number
5, 6, 7, 8, 9, 10

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

flower: petal nature
petals valvate

stamen: number
2, 3

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

stamen: filaments
free from the corolla, not connate

pistil: style
styles more than 1, free

pistil: carpel
2, 3

pistil: ovary
2-locular, 3-locular

pistil: ovule
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
a nut

fruit: seed
3+ seeds

seed: embryo
straight

seed: endosperm
seeds with endosperm


 

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