Dalbergia pinnata (Lour.) Prain, Ann. Roy. Bot. Gard. (Calcutta). 10: 48. (1904)

Species name meaning 'pinnate', referring to the feather-like leaves.

Synonyms
Amerimnon pinnatum (Lour.) Kuntze
Dalbergia blumei Hassk.
Dalbergia dubia Elmer
Dalbergia pinatubensis Elmer
Dalbergia pinnata var. badia Merr.
Dalbergia pinnata var. pinnata
Dalbergia rufa Graham
Dalbergia tamarindifolia Roxb.
Derris pinnata Lour.
Endespermum scandens Blume

Description
Trees or sometimes shrubby climbers. Branches long, flexuose; young branchlets puberulent. Leaves 12-15 cm; rachis and petioles densely puberulent as short petiolules; stipules lanceolate, ca. 5 mm, puberulent; leaflets 21-42, trapezoid-oblong, small, 12-18 x 5-7.5 mm, firmly papery, both surfaces puberulent, at length abaxially glaucous, adaxially glabrescent, base asymmetric, apex rounded, slightly emarginate. Panicles axillary, congested, with corymblike branches, 1.5-5 x 1.2-2.5 cm; peduncles short, as branches and pedicels densely puberulent; bracts and bracteoles persistent, ovate, puberulent. Flowers small, ca. 6 mm. Calyx campanulate, ca. 3 mm, outside puberulent or glabrescent; teeth ovate, upper 2 subconnate. Corolla white; petals long clawed; standard reflexed, ovate; wings with sagittate base; keel united above, blade hastate on upper side below. Stamens 9 or 10, monadelphous. Ovary stipitate, glabrous; ovules 2 or 3. Legume brown and shiny when dry, oblong-ligulate, thin, 2.5-6 x 1-1.4 cm, glabrous, uniformly finely reticulate, base attenuate to long slender stipe, acute, 1-4-seeded. Seeds narrow, ca. 18 x 4 mm. [from Flora of China]

Ecology
Occurs in mixed deciduous forest and in open localities in evergreen forest up to 1400 m elevation.

Uses
The plant is harvested from the wild for local medicinal use. It is also cultivated in home gardens in Java as a medicinal plant. The root is used as a masticatory. The bark and roots are used medicinally. The root is used as an anthelmintic. In Java, a poultice of the leaves has been used to treat scabies and fever, and in Peninsular Malaysia against varicose veins and nervous disorders. In Indo-China, the branches are applied for binding purposes.

Distribution
Southern China, including Hainan, into mainland Southeast Asia and Peninsular Malaysia, Sumatra, Java, Borneo, Sulawesi and the Philippines.

Local names
China: Cie ye huang tan.
Indonesia: areuy ki loma (Sundanese), oyod sambang (Java), jampak luyak (Lampung).
Malaysia: semelit jangkar, lorotan haji (Peninsular).
Philippines: tikos-maiadon (Manobo).
Vietnam: cham bia an trau (Vinh Phu), trac la me.