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Hansen & Rahn | Family List

Papilionaceae Giseke

蝶形花科

habit
woody plants, herbaceous plants

important diagnostics
aquatic plants, leaves floating or submerged, spiny stems or leaves, tendrils present, cladodes or phyllodes

hairs
glandular, stellate, stellate, 2-armed or T-shaped, non-glandular, branched, peltate or scale-like

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

leaf: position
opposite or verticillate, alternate

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

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

margin
with entire margin, lobed or divided, dentate

leaf: epidermis
epidermis of leaf papillose

leaf: glands/ligule
with pellucid or glandular dots or lines

leaf: stipules
absent, present

inflorescence
solitary, raceme, spike, corymb, umbel, head, simple, sympodial, compound, sympodial or monopodial

flower: sexuality
bisexual, unisexual

flower: symmetry
actinomorphic, zygomorphic or irregular

flower: receptacle
small, enlarged, totally or partially free from the ovary

flower: disc
absent, present

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

flower: perianth nature
perianth of similar segments, perianth of calyx and corolla

flower: sepal number
4, 5

flower: sepal position
connate

flower: sepal nature
sepals imbricate or contorted, sepals valvate

flower: petal number
0, 3, 4, 5

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

stamen: number
5, 9, 10, 11+

stamen: anthers
dorsifixed or ventrifixed, basifixed, introrse, opening by longitudinal slits, opening by apical pores

stamen: filaments
free from the corolla, inserted on the corolla, not connate, connate into 1 tube or bundle, connate into separate bundles

stamen: other characters
staminodia present

pistil: gynophore
present

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

pistil: carpel
1

pistil: ovary
1-locular, 2-locular

pistil: ovule
1 in each loculus, 2 in each loculus, 3+ 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, a nut, fleshy

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

seed: aril
arillus or arill-like organs present

seed: embryo
curved

seed: cotyledons
folded or crumpled

seed: endosperm
seeds without endosperm


 

Related Objects  

A Checklist for the South China Botanical Garden, Guangzhou, Guangdong Province, P. R. China  
  • Papilionaceae sp. (Xiangying Wen)
  • Image/JPEG
    Interactive Keys by Xiangying Wen  
  • Papilionaceae sp. (Xiangying Wen)
  • Image/JPEG

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