Pyrola calliantha Andres

Herbs (10–)15–30 cm tall. Rhizome long, slender, branched, producing adventitious roots and aerial stems at nodes; caudex ribbed, 15–30 cm, with a basal rosette of crowded leaves and 1 or 2 bracts; bracts brownish, oblong-ovate, sheathing, scales. Petiole 2–5.5 cm; leaf blade purplish and often glaucous abaxially, green adaxially, elliptic or ovate, (2.5–)3–6 × 2–3.5 cm, leathery, base broadly cuneate or suborbicular, margin entire or crenate, apex obtuse or rounded. Scape with 1 or 2 ovate-lanceolate or lanceolate scalelike bracts sheathing at base; raceme 9–13-flowered, 12–16 cm. Pedicel 5–8(–10) mm; bracts ligulate, 6–7.5 mm. Flowers spreading or rarely nodding, rotate, 1.5–2 cm in diam. Sepals ligulate, (3–)5–7.5 × (1.5–)2–3 mm, margin entire, apex often acute. Petals pure white, obovate-elliptic or obovate, 6–10 × 5–8 mm. Filaments glabrous; anthers yellow, (2.1–)2.5–4 × 1–1.4 mm, tubules present. Style ± exserted, light red, 6–8(–10) mm, nearly erect or upper part slightly curved upward, dilated at apex into a ring. Capsule 7–9 mm in diam. Fl. Jun–Aug, fr. Aug–Sep.

Anhui, Fujian, Gansu, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Qinghai, Shandong, Shanxi, Sichuan, Xizang, Yunnan, Zhejiang.

Montane coniferous forests, mixed forests; 700–4100 m.

Flowering from June to September; fruiting from August to Septermber.

Pyrola calliantha is close relative of Pyrola dahurica, but differs from the latter in its leaves often glaucous abaxially (vs. light green abaxially), sepals margin entire (vs. sparsely slightly denticulate).

Pyrola calliantha is occurring in Anhui, Fujian, Gansu, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Qinghai, Shandong, Shanxi, Sichuan, Xizang, Yunnan, Zhejiang of China.

Herbs 15-30 cm tall. Rhizome long, slender, branched, producing adventitious roots and aerial stems at nodes; caudex ribbed, 12-28 cm long, with a basal rosette of crowded leaves and 1-2 bracts; bracts brownish, oblong-ovate, sheathing, scales. Petiole 2-4.5 cm long; leaf blade purplish and often glaucous abaxially, green adaxially, elliptic or ovate, 3-6 cm long, 2.4-3 cm wide, leathery, base broadly cuneate or suborbicular, margin entire or crenate, apex obtuse or rounded. Scape with 2 ovate-lanceolate scalelike bracts sheathing at base; raceme 8-12-flowered, 10-15 cm long. Pedicel 5-9 mm long; bracts ligulate. Flowers spreading or rarely nodding, rotate. Sepals ligulate, 5-7.5 mm long, 2-3 mm wide, margin entire, apex often acute. Petals pure white, obovate-elliptic or obovate. Filaments glabrous; anthers yellow, tubules present. Style light red, nearly erect or upper part slightly curved upward, dilated at apex into a ring. Capsule 6-10 mm in diameter.

Growing in montane coniferous forest, mixed forests; 1300-3500 m.

Pyrola calliantha là một loài thực vật có hoa trong họ Thạch nam. Loài này được Andres miêu tả khoa học đầu tiên năm 1924.

鹿蹄草（学名：Pyrola calliantha）为鹿蹄草科鹿蹄草属下的一个种。