Bergenia purpurascens

Bergenia purpurascens (J. D. Hooker & Thomson) Engler

Languages: English

Overview

General Description

Herbs perennial, 13-50 cm tall. Rhizomes thick, scaly. Leaves all basal; petiole 2-7 cm long, sheathing base glabrous at margin; leaf blade obovate or narrowly so to subelliptic, rarely broadly obovate to suboblong, 5.5-16 cm long, 3-9 cm wide, leathery, both surfaces glabrous and glandular pitted, base cuneate, margin sinuate-dentate to entire, apex obtuse. Inflorescence cymose, 3-23 cm long; branches and pedicels densely long glandular hairy. Hypanthium densely long glandular hairy. Sepals narrowly ovate, 6.5-7 mm long, 2-4 mm wide, leathery, abaxially densely long glandular hairy, margin glabrous, apex obtuse. Petals purple, broadly ovate, 1-1.5 cm long, 7-8 mm wide, veins many, base narrowed into a claw ca. 2.5 mm wide, apex obtuse or retuse. Stamens 6-11 mm. Ovary ovoid, 6.7-7.5 mm long; styles 2, 5-7.5 mm long.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Description

Diagnostic Description

Bergenia purpurascens is close relative of Bergenia crassifolia, but differs from the latter in its inflorescence branches, pedicels, hypanthia, and sepals densely long glandular hairy (vs. sparsely subsessile glandular).

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Ecology and Distribution

Cyclicity

Flowering from May to October.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Distribution

Bergenia purpurascens is occurring SW Sichuan, E and S Xizang, N Yunnan of China, N Bhutan, NE India, N Myanmar, Nepal, Sikkim.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Habitat

Growing in forests, scrub, alpine meadows, alpine rock crevices; 2700-4800 m.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Relevance

Uses

Bergenia purpurascens is used medicinally and is a source of the drug bergenin.

Author(s): Wen, Jun
Rights holder(s): Wen, Jun

Taxonomy

  • Saxifraga purpurascens J. D. Hooker & Thomson (synonym)
  • Bergenia delavayi (Franchet) Engler (synonym)
  • Bergenia purpurascens f. delavayi (Franchet) Handel-Mazzetti (synonym)
  • Bergenia purpurascens var. delavayi (Franchet) Engler & Irmscher (synonym)
  • Bergenia purpurascens var. macrantha (Franchet) Diels (synonym)
  • Bergenia delavayi Franchet (synonym)
  • Bergenia purpurascens var. macrantha Franchet (synonym)