Christia obcordata (PROSEA)

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Plant Resources of South-East Asia
List of species

Christia obcordata (Poiret) Bakh.f.

Family: Leguminosae - Papilionoideae


Hedysarum obcordatum Poiret, Lourea reniforme (Loureiro) DC.

Vernacular names

  • Indo-China: gop tölang-a
  • Thailand: phisua (Bangkok), sansai (northern).


From India, throughout South-East Asia and southern China to Japan and Australia.


A productive leguminous cover crop grown in southern Japan. It has been tested in Malaysia.


Perennial, rhizomatous, creeping herb, branches thread-like, up to 1 m long, pubescent. Leaves with 1-3 leaflets; petiole filiform, 1-3 cm long; terminal leaflet obcordate or rounded, reniform if single, 3-20 mm × 5-30 mm, with sparse long hairs on both sides; lateral leaflets obovate to rounded, 3-18 mm in diameter. Flowers in a terminal or axillary raceme 4-30 cm long; pedicel up to 6 mm long in fruit; calyx campanulate, hairy, 5-7 mm in fruit, with 5 triangular lobes; corolla violet or pink, nearly included in calyx; standard obovate, about 7 mm long. Pod included in the calyx, glabrous, brownish, with 2-5 rounded articles, each about 2 mm in diameter. C. obcordata occurs on dry slopes and roadsides, in grasslands and open vegetation up to 1000 m altitude.

Selected sources

8, 27, 48, 53, 170.


M.S.M. Sosef & L.J.G. van der Maesen