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Hansen & Rahn | Family List

Berberidaceae Jussieu

habit
woody plants, herbaceous plants

important diagnostics
spiny stems or leaves

distribution
African, Asian, European, North American, South American

leaf: position
alternate

leaf: nature
not compound, compound, pinnately compound

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

margin
with entire margin, dentate

leaf: epidermis
epidermis of leaf papillose

leaf: stipules
absent

inflorescence
solitary, raceme, fascicle, compound, sympodial or monopodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
absent

flower: perianth number
7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
3, 6+

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted

flower: petal number
6, 9

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

stamen: number
6

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

stamen: anthers
basifixed, introrse, opening by valves

stamen: filaments
free from the corolla, not connate

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

pistil: carpel
1

pistil: ovary
1-locular

pistil: ovule
2 in each loculus, 3+ in each loculus

pistil
carpels free from each other or carpel 1, ovules attached to the base of the ovary

fruit: type
fleshy

fruit: seed
1 seed, 2 seeds, 3+ seeds

seed: embryo
straight

seed: endosperm
seeds with endosperm


 

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