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Bignoniaceae A. L. Jussieu

紫葳科

Bignoniaceae
Campsis radicans

Credit: Xiangying Wen

Habit: tree, shrub, herb, vine

Important diagnostics: tendrils present

Taxon group: dicots

Leaf: position: opposite, alternate, verticillate/whorled, spiral

Leaf: nature: simple, pinnately compound, palmately compound

Leaf: blade: margin: entire, dentate

Leaf: stipules: absent

Flowers: inflorescence: raceme, cyme, panicle, cauline

Flowers: sexuality: bisexual

Flowers: symmetry: zygomorphic

Flowers: disc: present

Flowers: sepal/calyx nature: tubular, campanulate, glandular, truncate

Flowers: petal number/corolla lobes: 4, 5

Flowers: petal position: connate or basally connate

Flowers: petal nature: valvate, imbricate

Flower: bract: present

Flower: bractlet: present

Corolla: campanulate, funnelform, labiate

Stamen: number: 2, 4

Stamen: arrangement: didynamous

Stamen: other characters: staminodia present

Pistil: ovary: 1-loculed, 2-loculed, 4-loculed

Pistil: ovule: 4+ per locule

Pistil: pistil: ovules parietal placentation, ovules axillary placentation, ovules attached to the apex of the ovary

Ovary: position: superior

Stigma: 2-cleft

Fruit: types and characters: a capsule (incl. pod, follicle, etc.), fleshy (berry, drupe, pome)

Fruit: seed: 4+ seeds, winged

Seed: endosperm: seeds without endosperm

Google Image Search: Link

Dictionary of The Families & Genera of Chinese Seed Plants: Link

Vascular Plant Type Catalog at NYBG: Link


 

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