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Hansen & Rahn | Family List

Cannabaceae Endlicher

habit
herbaceous plants

important diagnostics
milky juice present, cystoliths present

hairs
glandular, 2-armed or T-shaped, non-glandular

distribution
African, Asian, Australian and Oceanian, European, North American, South American

leaf: position
opposite or verticillate, alternate

leaf: nature
not compound

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

margin
lobed or divided, dentate

leaf: stipules
present

inflorescence
compound, sympodial or monopodial

flower: sexuality
unisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
absent

flower: perianth number
0, 5

flower: perianth nature
perianth of similar segments

flower: sepal number
0, 5

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals imbricate or contorted

flower: petal number
0

stamen: number
5

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

stamen: filaments
free from the corolla, not connate

pistil: gynophore
present

pistil: style
styles absent, stigmas sessile

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 apex of the ovary

fruit: type
a nut

fruit: seed
1 seed

seed: embryo
curved

seed: endosperm
seeds with endosperm


 

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