异名：Convolvulus umbellatus L. (synonym)

俗名：野薯藤 (YěShǔTéng) Chinese、土瓜藤 (TǔGuāTéng) Chinese、山猪菜藤 (ShānZhūCàiTéng) Chinese、小薯藤 (XiǎoShǔTéng) Chinese

Merremia umbellata (Linn.) Hall. f. in Engl. Bot. Jahrb. 16: 552. 1893; ibid. 18: 114. 1894; Merr. in Philip. Journ. Sci. 1: Suppl. 120. 1906; v. Ooststr. in Blumea 3: 333. f. l p. f. 2 A-I. 1939, et in Fl. Males. ser. 1, 4(4); 449. 1953;海南植物志3: 483. 1974. ——Convolvulus umbellatus Linn. Sp. Pl. 155. 1753; ibid. ed. 2. 221. 1762.. ——C. cymosus Desr. in Lam. Encycl. 3: 556. 1789.——Ipomoea cymosa (Desr. ) Roem. et Schult. in Syst. Veg. 4: 241. 1819; id. in Bot. Reg. t. 24. 1843; Choisy in DC. Prodr. 9: 371. 1845; Benth. Fl. Hongk. 238. 1861; C. B. Clarke in Hook. f. Fl. Brit. Ind. 4: 211. 1883; Hemsl. in Journ. Linn. Soc. Bot. 26: 159. 1890; Gagn. et Courch. in Lecte. Fl. Gen. Indo-Chine 4: 251. 1915.

本亚种的特征是茎较粗壮；叶大；花序梗较长，通常具多花，花较大；萼片长7-10毫米；花冠通常黄色；蒴果近球形而不为卵形至圆锥形；种子具短柔毛或短绒毛，仅边缘具稍长的毛。

分布美洲的墨西哥至巴拉圭，大小安的列斯群岛及热带西非。我国不产。