- Scientific Name: Platanthera mandarinorum Rchb.f.
- Ref: Linnaea 25:226. 1852
- Synonyms: Habenaria mandarinorum (Rchb.f.) Herklots, Platanthera delavayi Schltr., P. minax Schltr., P. winkleriana Schltr.
- English Common Name: common Korean platanthera, baby Asian platanthera
- Chinese Common Name: 尾瓣舌唇兰 wěibàn shéchún∙lán, 东北舌唇兰 Dōngběi shéchún∙lán, 长白舌唇兰 Chángbái shéchún∙lán
- Japanese Common Name: ヤマサギソウ [山鷺草] yamasagisō
- Family: Orchidaceae
- Genus: Platanthera
- Distribution: Forests, grasslands; 300-2100 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Sichuan, NE Yunnan [Japan, Korea].
- Photo: Mt. Changbai, Jilin
Leaves elliptic to oblong, rarely linear-lanceolate, 4.5-10 × 0.8-2.5 cm. Dorsal sepal broadly ovate to cordate, 4-4.5 × 3-4 mm; lateral sepals oblong-lanceolate to broadly lanceolate, 5-7 × (1.5-)2-3 mm; spur 15-30 mm. Anther locules divergent. Fl. Apr-Jun. (Flora of China)
