27. Eutrema yunnanense Franchet, Pl. Delavay.: 61. 1889. TYPE: China, Yunnan, Yen-tze-hay (Lankong), 3,000 m, 9 May 1887, J. M. Delavay s.n. (holotype, P!); Wasabia yunnanensis (Franchet) Nakai, J. Jap. Bot. 11: 151. 1935. TYPE : China, Yunnan, San-tcha-ho, above Mo-so-yn, 3000 m, 17 Jun 1887, Delavay s.n. (lectotype, P!; isolectotype, P!).

Eutrema potaninii Komarov, Repert. Sp. Nov. Regni Veg. 9: 393. 1911. LECTOTYPE (here designated): China, Sichuan, Omei Shan, 1 April 1893, G. N. Potanin s.n. (hololectotype, LE!; isolectotype, MO!).

Eutrema reflexa T. Y. Cheo, Bot. Bull. Acad. Sin. 2: 23. 1948. TYPE: China. Zhejiang, His-tien-mu Shan, 23 April 1936, H. Migo s.n. (holotype, NAS!).

Eutrema yunnanense var. tenerum O. E. Schulz in Engler, Pflanzenreich IV. 105(Heft 86): 38. 1924. LECTOTYPE (here designated): China, [Hubei,] Changyang, E. H. Wilson 157 (hololectotype, B!; isolectotypes, E!, GH!, NY!, P!, W!).

Eutrema yunnanense var. yexinicum Z. X. An, Bull. Bot. Res., Harbin 1(1-2): 99. 1981. TYPE: China. Anhui, Yuexi Cian (holotype, NAS).

     Herbs, perennial, glabrous or retrorsely pilose on upper parts; rhizomes not fleshy. Stems (12-)20-60(-110) cm tall, erect, simple, often a few from base, rarely branched upward. Basal leaves rosulate; petiole 2-25(-35) cm, dilated at base; leaf blade cordate to reniform, (1-)3-10(-20) ´ (1.5-)3-10(-20) cm, base cordate, margin dentate, denticulate, repand, or subentire, with distinct apiculate callosities terminating ultimate veins, apex rounded to obtuse; middle cauline leaves with petioles (0.5-)1-3(-5) cm; leaf blade broadly ovate to ovate-cordate, (1-)2-5(-7) ´ (0.6-)1-4(-5) cm, palmately veined, base and margins as basal leaves, apex acute. Raceme ebracteate or rarely lowermost 1-3 flowers bracteate, lax, elongated in fruit; fruiting pedicels reflexed or spreading, slender, 0.6-1.5(-2.5) cm. Sepals ovate, 1.5-2 ´ 1-1.2 mm, deciduous; petals white, oblong-spatulate, 3.5-5(-6) ´ 1.5-2.5 mm; filaments white, 1.5-2 mm; anthers ovate, 0.4-0.5 mm; ovules 6-10 per ovary. Fruit linear or rarely oblong, (0.5-)0.8-1.5(-2.5) cm ´ 1.5-2 mm, terete, torulose; valves with an obscure midvein; gynophore absent or obsolete; septum usually complete; style 1-2 mm. Seeds oblong, plump, 2-3 ´ 1-1.5 mm.

Flowering: Mar-May.

Habitat: hillsides, forest undergrowth, shaded moist pasture, roadside, among Rhododendron.

Elevation: 400-3500 m.

Distribution: China (Anhui, Gansu, Hebei, Hubei, Hunan, Jiangsu, Jiangxi, Ningxia, Shaanxi, Sichuan, Xizang [Tibet], Yunnan, Zhejinag).