目前为止，中国西南野生生物种质资源库共保藏该物种: 种子22份; DNA材料47份; DNA8份; 离体材料15份;

• 科:虎耳草科    Saxifragaceae
• 属:岩白菜属   Bergenia
• 种:岩白菜   Bergenia purpurascens

3. Bergenia purpurascens (J. D. Hooker & Thomson) Engler, Bot. Zeitung (Berlin). 26: 841. 1868. 岩白菜 yan bai cai Saxifraga purpurascens J. D. Hooker & Thomson, J. Proc. Linn. Soc., Bot. 2: 61. 1858; Bergenia delavayi (Franchet) Engler; B. purpurascens f. delavayi (Franchet) Handel-Mazzetti; B. purpurascens var. delavayi (Franchet) Engler & Irmscher; B. purpurascens var. macrantha (Franchet) Diels; S. delavayi Franchet; S. purpurascens var. macrantha Franchet.Herbs perennial, 13-50 cm tall. Rhizomes thick, scaly. Leaves all basal; petiole 2-7 cm, sheathing base glabrous at margin; leaf blade obovate or narrowly so to subelliptic, rarely broadly obovate to suboblong, 5.5-16 × 3-9 cm, leathery, both surfaces glabrous and glandular pitted, base cuneate, margin sinuate-dentate to entire, apex obtuse. Inflorescence cymose, 3-23 cm; branches and pedicels densely long glandular hairy. Hypanthium densely long glandular hairy. Sepals narrowly ovate, 6.5-7 × 2-4 mm, leathery, abaxially densely long glandular hairy, margin glabrous, apex obtuse. Petals purple, broadly ovate, 1-1.7 cm × 7-7.8 mm, veins many, base narrowed into a claw 2-2.5 mm, apex obtuse or retuse. Stamens 6-11 mm. Ovary ovoid, 6.7-7.5 mm; styles 2, 5.3-7.5 mm. Fl. May-Oct. 2n = 34.Forests, scrub, alpine meadows, alpine rock crevices; 2700-4800 m. SW Sichuan, E and S Xizang, N Yunnan [N Bhutan, NE India, N Myanmar, Nepal, Sikkim].This species is used medicinally and is a source of the drug bergenin.【引自：Flora of China】

多年生草本，高13-52厘米。根状茎粗壮，被鳞片。叶均基生；叶片革质，倒卵形、狭倒卵形至近椭圆形，稀阔倒卵形至近长圆形，长5.5-16厘米，宽3-9厘米，先端钝圆，边缘具波状齿至近全缘，基部楔形，两面具小腺窝，无毛；叶柄长2-7厘米，托叶鞘边缘无毛。花葶疏生腺毛。聚伞花序圆锥状，长3-23厘米；花梗长8-13毫米，与花序分枝均密被具长柄之腺毛；托杯外面被具长柄之腺毛；萼片革质，近狭卵形，长6.5-7毫米，宽2-4毫米，先端钝，腹面和边缘无毛，背面密被具长柄之腺毛；花瓣紫红色，阔卵形，长10-16.5毫米，宽7-7.8毫米，先端钝或微凹，基部变狭成长2-2.5毫米之爪，多脉；雄蕊长6-11毫米；子房卵球形，长6.7-7.5毫米，花柱2，长5.3-7.5毫米。染色体2n=34。花果期5-10月。 【引自：中国植物志】