Desmodium uncinatum

Desmodium uncinatum (Jacq.)DC., Prodr. 2: 331 (1825) (syn: Desmodium hjalmarsonii (Schindl.) Standl.; Desmodium pilosiusculum DC.; Desmodium sandwicense E.Mey.; Desmodium sinclairii Benth.; Desmodium uncinatum var. gracile Burkart; Hedysarum adhaerens Vahl; Hedysarum mexicanum Sweet; Hedysarum uncinatum Jacq.; Hedysarum virgatum Cerv. ex Sweet; Meibomia hjalmarsonii Schindl.; Meibomia limensis var. pilosiuscula (DC.) Schindl.; Meibomia pilosiuscula (DC.) Hochr.; Meibomia sinclairii (Benth.) Schindl.; Meibomia uncinata (Jacq.) Kuntze);
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Mexico to S. Tropical America: Argentina Northeast, Argentina Northwest, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Ecuador, El Salvador, Galápagos, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nicaragua, Paraguay, Peru, Uruguay, Venezuela; Introduced into: Angola, Cameroon, Cook Is., Ethiopia, Ghana, Hawaii, India, Jawa, Kenya, Malawi, Marquesas, New Guinea, New South Wales, Nigeria, Queensland, St.Helena, Tonga, Zimbabwe as per POWO;
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Plant for ID 16/12/09 SMP2 : 9 posts by 5 authors. Attachments (1)
Again a Fabaceae member at Munnar Dec2009.
For Id

Adding another picture probably of the same plant emerging through another bush.  Attachments (1)

Again a Fabaceae member at Munnar Dec2009

this is probably some species of Desmodium sp ……i forgot the species .. sorry for it …..i am also waiting to renew the knowledge.

Does a Desmodium have serrate margin?!

two plants mixed up here; the serrate leaved one is vegetative (Ageratum???); and the flowers belong to the trifoliolate leaves, perhaps Desmodium only, as told by …

I hope this plant is Desmodium multiflorum DC. in Ann.Sci.Nat.Par.ser. 1.4:101. Jan. 1825. Ohashi in Univ. Tokyo Bull.2:272.1971; Ohashi l.c. 110.1973.

Does not match with images of Desmodium multiflorum DC. (as told by …)

Desmodium uncinatum (Jacq.) DC.

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