27a. Desmodium elegans var. elegans
圆锥山蚂蝗(原变种) yuan zhui shan ma huang (yuan bian zhong)
Desmodium cinerascens Franchet; D. cinerascens var. longipes Pampanini; D. cinerascens var. microphyllum Franchet; D. elegans f. albiflorum (P. C. Li) H. Ohashi; D. elegans var. albiflorum P. C. Li; D. esquirolii H. Léveillé; D. forrestii Schindler; D. franchetii Rehder; D. glaucophyllum Pampanini; D. rhabdocladum Franchet; D. spicatum Rehder; D. tiliifolium (D. Don) Wallich; D. tiliifolium var. potaninii Schindler; D. tiliifolium f. rhabdocladum (Franchet) Schindler; D. tiliifolium var. subtomentosum E. Peter; Hedysarum tiliifolium D. Don.
Terminal leaflet blade ovate-elliptic, broadly ovate, rhombic, or orbicular-rhombic, 2-7 × 1.5-5 cm, abaxially densely or sparsely pubescent to nearly glabrous. Pedicel 4-10 mm. Lower calyx lobes shorter than tube. Legume sparsely adpressed pubescent. Fl. and fr. Jun-Oct. 2n = 22.
Margins of Pinus-Quercus forests, mountain slopes, roadsides, ditches; 1000-3700 m. Gansu, NW Guizhou, SW Shaanxi, Sichuan, Xizang, NW Yunnan [Afghanistan, Bhutan, NE and SW India, Kashmir, Nepal, Pakistan].
A white-flowered form has been recorded as Desmodium elegans f. albiflorum (P. C. Li) H. Ohashi (J. Jap. Bot. 70: 113. 1995; D. elegans var. albiflorum P. C. Li, Fl. Xizang. 2: 892. 1985).