1 |
Leaf unifoliolate |
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(2) |
+ |
Leaf trifoliolate |
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(3) |
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2 (1) |
Bracts minute, not concealing the flower bud; flower 3.8-4.5 mm long. Fruit 1.2-2.5 cm long, c. 2.5 mm broad, upper suture slightly , lower deeply indented between the seeds (Illustration) |
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Desmodium gangeticum |
+ |
Bracts large, concealing the flower bud; flower 7.5-8.5 mm long. Fruit 3-4.4 cm long, 5-6.5 mm broad, upper suture curved not indented, lower suture slightly indented |
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Desmodium motorium |
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3 (1) |
Flowers in axillary peduncled umbel |
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Desmodium triangulare |
+ |
Flowers in racemes or panicles |
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(4) |
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4 (3) |
Fruit stiped and bent at right angles to its stalk |
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Desmodium podocarpum |
+ |
Fruit usually sessile, not bent at right angles to its stalk |
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(5) |
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5 (4) |
Flowers c. 10-12.5 mm or more long |
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Desmodium elegans |
+ |
Flowers c. 8 mm or less long |
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(6) |
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6 (5) |
Leaflets 13 mm or less long |
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(7) |
+ |
Leaflets 2.5 cm or more long |
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(8) |
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7 (6) |
Leaflets obovate, retuse, fruit crescent shaped, constricted only on one side (Illustration) |
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Desmodium triflorum |
+ |
Leaflets oblong or obovate, fruit constricted on both the sides |
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Desmodium microphyllum |
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8 (6) |
Bracts c. 2 mm long |
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Desmodium laxiflorum |
+ |
Bracts c. 4 mm or more long |
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(9) |
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9 (8) |
Petiole c. 2.5-6.5 cm long |
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Desmodium multiflorum |
+ |
Petiole not exceeding 2.5 cm |
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(10) |
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10 (9) |
Leaflets appressed pilose on both sides, fruit constricted into 1-seeded semicircular parts |
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Desmodium concinnum |
+ |
Leaflets glabrous above, fruit almost strap shaped, dehiscing along 1 suture |
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Desmodium motorium |
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