Habit:
annual.
Stem:
prostrate, glabrous.
Leaves: 3-foliolate,
leaflets ovate.
Peduncle:
glabrous.
Inflorescence:
axillary raceme.
Pod: flat,
ellipsoid,slightly curved.
Color of
seed: brown, white, yellow, green or black.
Shape of
seed: discoid or ellipsoid.
Propagation
method: seed.
Usage:
forage, green manure.
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Root:
primary root.
Plant
height (stem tip): 150~170 cm.
Leaf
surface: glabrous.
Flowering
time: fall.
Flower:
pale purple.
Seed number
per pod: 2~5.
Weight of
1000 seeds: 25~40 g.
Self-seeding:
good.
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