Viburnum foetidum Wall. var. rectangulatum (Graebn.) Rehd. (Caprifoliaceae)
57a. 直角荚蒾（变种）（中国高等植物图鉴）图版16: 1-3
名称文献：Viburnum foetidum Wall. var. rectangulatum (Graebn.) Rehd. in Sarg. Trees and Shrubs 2: 114. 1908, sphalm. “rectangulum”, in Sarg. Pl. Wils. 1: 112. 1911, in Journ. Arn. Arb. 16: 331. 1935, et Bibl. Cult. Trees and Shrubs 606. 1949; Kaneh. Formos. Trees rev. ed. 696, fig. 653. 1936, ut“rectangulum”; Hand. -Mazz. Symb. Sin. 7: 1038. 1936; 中国高等植物图鉴4: 317, 图6048. 1975; H. L. Li, Fl. Taiwan 4: 712. 1978. ——V. pallidum Franch. in Journ. de Bot. 10: 308. 1896. ——V. rectangulatum Graebn. in Bot. Jahrb. 29: 588. 1901. ——V. touchanense LevI. in. Fedde, Repert. Sp. Nov. 9: 422. 1911, et Fl. Kouy-Tcheou 66. 1914. ——V. rectangulare Gra-ebn. ex Hayata in Journ. Coll. Sci. Univ. Tokyo 30(1) (Mat. Fl. Forms.): 135. 1911. ——V. pinfaense Levl. in Fedde, Repert. Sp. Nov. 9: 442. 1911, et Fl. Kouy-Tcheou 66. 1914, pro parte, quoad Cavalerie 1483; Rehd. in Journ. Arn. Arb. 16: 330. 1935, pro syn. sub V. cylindricum Buch. -Ham. var. crassifolium (Rehd.) Schneid. ——Hedyotis yunnanensis Levl. ibid. 13: 176. 1914, et Cat. Yun-Nan 245. 1917——V. parvilimbum Merr. in Lingnan Sci. Journ. 13(1): 51. 1934, e typo——V. foetidum Wall. var. penninervium Hand. -Mazz. l. c., syn. nov. ——V. foetidum Wall. var. malacotrichum Hand. -Mazz. l. c., syn. nov. ——Oldenlandia yunanensis (Levl.) Chun in Sunyatsenia 1: 310. 1934.
形态特征：植株直立或攀援状；枝披散，侧生小枝甚长而呈蜿蜒状，常与主枝呈直角或近直角开展。叶厚纸质至薄革质，卵形、菱状卵形，椭圆形至矩圆形或矩圆状披针形，长3-6 (-10) 厘米，全缘或中部以上有少数不规则浅齿，下面偶有棕色小腺点，侧脉直达齿端或近缘前互相网结，基部一对较长而常作离基3出脉状。总花梗通常极短或几缺，很少长达2厘米；第一级辐射枝通常5条。花期5-7月，果熟期10-12月。
产地分布：产陕西南部（城固）、江西、台湾、湖北西部、湖南、广东北部、广西北部、四川、贵州、云南及西藏东南部。生于山坡林中或灌丛中，海拔600-2400米。模式标本采自四川南川。