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Hansen & Rahn | Family List

Brunelliaceae Engler

habit
woody plants

important diagnostics
spiny stems or leaves

distribution
North American, South American

leaf: position
opposite or verticillate

leaf: nature
not compound, compound, pinnately compound, ternately compound

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

margin
dentate

leaf: epidermis
epidermis of leaf papillose

leaf: stipules
present

inflorescence
compound, sympodial or monopodial

flower: sexuality
unisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
present

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

flower: perianth nature
perianth of similar segments

flower: sepal number
4, 5, 6+

flower: sepal position
connate

flower: sepal nature
sepals valvate

stamen: number
8, 10, 11+

stamen: anthers
dorsifixed or ventrifixed, 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
2, 3, 4, 5

pistil: ovary
1-locular

pistil: ovule
2 in each loculus

pistil
carpels free from each other or carpel 1, ovules attached to the central axis or ventrally in apocarpae

fruit: type
a capsule

fruit: seed
1 seed, 2 seeds

seed: endosperm
seeds with endosperm


 

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