6. Paraderris malaccensis (Bentham) Adema, Thai Forest Bull., Bot. 28: 11. 2001.
异翅鱼藤 yi chi yu teng
Derris cuneifolia Bentham var. malaccensis Bentham, J. Proc. Linn. Soc., Bot. 4(Suppl.): 112. 1860; D. malaccensis (Bentham) Prain.
Lianas, 10-15 m, glabrous except ovaries and mouth of calyces. Leaves 5- or 7(or 9)-foliolate; rachis 20-30 cm, including petiole 3-7 cm; leaflet blades elliptic, 10-15 cm, subleathery, base rounded, apex caudate-acuminate. Pseudoracemes shorter than leaves; rachis nodes with flowers often on short branchlets. Flowers ca. 1.7 cm. Calyx pink, campanulate, ca. 3 mm, apical margin sinuate and ciliate. Corolla rose-red, pink, or whitish, 1.3-1.4 cm; standard orbicular, apex truncate or emarginate. Ovary velutinous. Legume oblong, 5-8 cm; both sutures winged, abaxial suture with wing 1 mm wide or less. Seeds 1-4 per legume. Fl. Feb-May, fr. Apr-Aug.
Cultivated in Guangdong (Guangzhou) and Hainan [native to Cambodia, Indonesia, Laos, Malaysia, Myanmar, Thailand, and Vietnam].
Adema (Blumea 48: 139. 2003) synonymized Paraderris malaccensis under P. montana (Bentham) Adema (Derris montana Bentham).