球茎虎耳草 qiu jing hu er cao

Lobaria sibirica (Linnaeus) Haworth; Saxifraga pekinensis Maximowicz; S. sibirica var. bockiana Engler; S. sibirica var. eusibirica Engler & Irmscher; S. sibirica var. pekinensis (Maximowicz) Engler & Irmscher; S. sibirica var. pycnoloba Franchet; S. sibirica var. schindleri Engler & Irmscher.

Stem 6.5-25 cm tall, densely glandular pilose. Basal leaves with petiole 1.2-4.5 cm, glandular pilose; leaf blade reniform, 0.7-1.8 × 1-2.7 cm, margin 7-9-lobed; lobes ovate or broadly so to broadly orbicular, glandular pilose. Cauline leaves with petiole 1-9 mm; leaf blade reniform or broadly ovate to broadly orbicular, 4.5-15 mm × 0.5-2 cm, glandular pilose, margin 5-9-lobed, base reniform or cuneate to truncate. Cyme corymbose, 2.3-17 cm, 2-13-flowered, rarely flower solitary; pedicels slender, 1.5-4 cm, glandular pilose. Sepals erect, lanceolate to oblong, 3-4 × 0.6-1.8 mm, abaxially and marginally glandular pubescent, veins 3-5, not, partly, or fully confluent at apex, apex obtuse or acute. Petals white, obovate to narrowly so, 0.6-1.5 cm × 1.5-4.7 mm, 3-8 veined, base gradually contracted into a claw. Stamens 2.5-5.5 mm. Carpels connate proximally, 2.6-4.9 mm; ovary ovoid, 1.8-3 mm; styles 0.8-2 mm; stigma small. Fl. and fr. May-Nov. 2n = 16, 26.

Forests, scrub, alpine meadows, rock clefts; 800-5100 m. S Gansu (Wen Xian), NW Hebei, N Heilongjiang (Heihe Shi), W Hubei, Hunan (Xinglong), Nei Mongol, S Shaanxi, C Shandong (Tai Shan), E Shanxi, Sichuan, Xinjiang (Hami Xian, Shawan Xian, Taxkorgan Tajik Zizhixian), Xizang, NW Yunnan [India, Kashmir, Mongolia, Nepal, Russia].