尖叶长柄山蚂蝗 jian ye chang bing shan ma huang

Desmodium oxyphyllum Candolle, Ann. Sci. Nat. (Paris) 4: 102. 1825; D. fallax var. mandshuricum (Maximowicz) Nakai; D. mandshuricum (Maximowicz) Schindler; D. oxyphyllum var. mandshuricum (Maximowicz) H. Ohashi; D. podocarpum var. japonicum Matsumura; D. podocarpum var. mandshuricum Maximowicz; D. podocarpum subsp. oxyphyllum (Candolle) Y. C. Yang & P. H. Huang; D. racemosum Candolle; D. race­mosum var. mandshuricum (Maximowicz) Ohwi; D. racemo­sum var. pubescens F. P. Metcalf; Hedysarum racemosum Thun­berg (1784), not Aublet (1775); Hylodesmum oxyphyllum (Can­dolle) X. F. Gao; H. podocarpum var. oxyphyllum (Candolle) H. Ohashi & R. R. Mill; Podocarpium mandshuricum (Maximo­wicz) Czerepanov; P. podocarpum var. japonicum (Matsumura) P. H. Huang; P. podocarpum var. mandshuricum (Maximowicz) P. H. Huang; P. podocarpum var. oxyphyllum (Candolle) Y. C. Yang & P. H. Huang.

Herbs, to 100 cm tall. Stem glabrous or subglabrous. Leaves scattered or approximate at middle; terminal leaflet elliptic-rhombic to lanceolate-rhombic or ovate to rhombic-ovate, 4-10 × 2-5 cm, both surfaces glabrous or subglabrous, or abaxially pubescent on veins, base cuneate or rounded, apex acuminate. Fl. Jul-Sep, fr. Aug-Nov. 2n = 22.

Mountain slopes, slope forests, thickets, roadsides, ditches, forest margins, broad-leaved forests; 400-2100 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hebei, E Heilongjiang, Henan, ?Hubei, ?Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Sichuan, ?Xizang, Yunnan, Zhejiang [Bhutan, India, Indonesia, Japan, Korea, Laos, Myanmar, Nepal, Russia (Far East), Vietnam].

Plants with scattered leaves have been named Hylodesmum podo­carpum var. japonicum (Matsumura) H. Ohashi (J. Jap. Bot. 77: 170. 2002). Plants with leaves at least partly approximate at middle have been named H. podocarpum var. mandshuricum (Maximowicz) H. Ohashi & R. R. Mill (Edinburgh J. Bot. 57: 183. 2000).