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Hansen & Rahn | Family List

Juglandaceae A. Richard ex Kunth

habit
woody plants

hairs
glandular, stellate, stellate, tufted, non-glandular, peltate or scale-like

distribution
Asian, European, North American, South American

leaf: position
opposite or verticillate, alternate

leaf: nature
compound, pinnately compound

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

margin
with entire margin, dentate

leaf: stipules
absent

inflorescence
spike, compound, sympodial or monopodial

flower: sexuality
unisexual

flower: symmetry
actinomorphic

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

flower: disc
absent

flower: perianth number
0, 1, 2, 3, 4, 5, 6

flower: perianth nature
perianth of similar segments

flower: sepal number
0, 1, 2, 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
2, 3, 4, 5, 6, 7, 8, 9, 10, 11+

stamen: anthers
basifixed, introrse, extrorse, opening by longitudinal slits

stamen: filaments
free from the corolla, not connate

pistil: style
styles absent, stigmas sessile, style 1, or styles more or less connate

pistil: carpel
2

pistil: ovary
1-locular

pistil: ovule
1 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 nut, fleshy

fruit: seed
1 seed

seed: embryo
straight

seed: cotyledons
folded or crumpled

seed: endosperm
seeds without endosperm


 

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