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Hansen & Rahn | Family List

Julianiaceae Hemsley

habit
woody plants

important diagnostics
milky juice present

hairs
glandular

distribution
North American, South American

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
unisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
absent

flower: perianth number
3, 4, 5, 6, 7+

flower: perianth nature
perianth of similar segments

flower: sepal number
3, 4, 5, 6+

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted

flower: petal number
0

stamen: number
3, 5, 7, 8, 9

stamen: symmetry
the same number as and opposite the petals or alternate with the sepals

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
1, 3

pistil: ovary
1-locular

pistil: ovule
1 in each loculus

pistil
carpels free from each other or carpel 1, 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 nut

fruit: seed
1 seed

seed: embryo
straight

seed: endosperm
seeds without endosperm


 

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