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Hansen & Rahn | Family List

Bignoniaceae A. L. Jussieu

habit
woody plants, herbaceous plants

important diagnostics
spiny stems or leaves, tendrils present

hairs
glandular, stellate, branched

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

leaf: position
opposite or verticillate, alternate

leaf: nature
not compound, compound, pinnately compound, palmately compound

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

margin
with entire margin, lobed or divided, dentate

leaf: stipules
absent, present

inflorescence
simple, sympodial, compound, sympodial or monopodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic, zygomorphic or irregular

flower: receptacle
small

flower: disc
absent, present

flower: perianth number
5, 7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
0, 5

flower: sepal position
connate

flower: petal number
5

flower: petal position
petals connate, petals imbricate

stamen: number
2, 4, 5

stamen: anthers
basifixed, introrse, opening by longitudinal slits

stamen: filaments
inserted on the corolla, not connate

stamen: other characters
staminodia present

pistil: style
style 1, or styles more or less connate

pistil: carpel
2

pistil: ovary
1-locular, 2-locular, 4-locular

pistil: ovule
3+ in each loculus

pistil
ovules parietal, carpels connate, ovules axile, carpels connate, ovules attached to the central axis or ventrally in apocarpae

fruit: type
a capsule, a nut, fleshy

fruit: seed
3+ seeds

seed: embryo
straight

seed: cotyledons
folded or crumpled

seed: endosperm
seeds without endosperm, seeds with endosperm


 

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