唐古特虎耳草 Saxifraga tangutica

  • Scientific Name: Saxifraga tangutica Engl.
  • Ref: Bull. Acad. Imp. Sci. Saint-Pétersbourg, sér. 3, 29:114. 1883
  • Synonym: Sedum ciliocaule Fröd.; Hirculus tanguticus Losinsk.; Saxifraga flagrans Harry Sm.; Saxifraga lamashanensis K.S.Hao
  • Chinese Common Name: 唐古特虎耳草 Tánggǔtè hǔ’ěr∙cǎo, 甘青虎耳草 Gān-Qīng hǔ’ěr∙cǎo
  • Family: Saxifragaceae
  • Genus: Saxifraga
  • Distribution: Forests, scrub, alpine scrub meadows, alpine meadows, rock crevices; 2900-5600 m. S Gansu, Qinghai, N and W Sichuan, Xizang [Bhutan, Kashmir, Nepal, Sikkim].
  • Photo: 07/29/2012, Mt. Jiajin, Sichuan
Herbs perennial, cespitose, 3.5-31 cm tall. Stem brown crisped villous. Basal leaves with petiole 1.7-2.5 cm, margin sparsely brown crisped villous; leaf blade ovate or lanceolate to oblong, 0.6-3.3 cm × 3-11 mm, both surfaces glabrous, margin brown crisped villous, apex obtuse or acute. Cauline leaves oblong to narrowly so or lanceolate, 0.7-3.5 cm × 2.3-10 mm, brown crisped villous abaxially proximally and at margin. Inflorescence 1-7.5 cm, (2-)8-24-flowered; pedicels densely brown crisped villous. Sepals erect, then spreading to reflexed, ovate to narrowly so or elliptic, 1.7-3.3 × 1-2.2 mm, both surfaces usually glabrous, abaxially sometimes brown crisped villous proximally, veins 3-5, not confluent at apex, margin brown crisped villous, apex obtuse. Petals yellow on both surfaces or purple abaxially and yellow adaxially, ovate to narrowly so or elliptic, 2.5-4.5 × 1.1-2.5 mm, 2-callose, 3-5(-7)-veined, base with a claw 0.3-0.8 mm, apex obtuse. Stamens 2-2.2 mm. Ovary subinferior, with an annular nectary disc; styles ca. 1 mm. Fl. and fr. Jun-Oct. (Flora of China)

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