米林虎耳草 mi lin hu er cao

Saxifraga minlingensis J. T. Pan.

Herbs perennial, cespitose, ca. 45 cm tall. Stem simple, brown crisped glandular villous. Basal leaves sometimes caducous, broadly ovate to elliptic, ca. 4 × 3 cm, base cordate, truncate, or cuneate, tapered into a petiole. Cauline leaves 4-8, abruptly smaller distally on stem; petiole of median leaves 0.2-4 cm, sparsely brown crisped glandular villous; leaf blade ovate to elliptic, 2.0-3.4 × 1.8-2.4 cm, brown glandular hairy, glabrate adaxially, base rounded to cordate, margin eglandular villous, apex acute or acuminate; most distal leaf sessile, ovate to narrowly so, 1.5-2 cm × 3-7 mm, abaxially and marginally dark brown glandular hairy, adaxially glabrate. Inflorescence 7-8 cm, 5-20-flowered; branches usually 2-flowered; pedicels dark brown glandular hairy. Sepals reflexed, triangular-ovate, 5-6 × 2.8-3 mm, abaxially glabrous, veins 3-6, not confluent at apex, margin membranous, apex glandular ciliate, erose. Petals yellow, adaxially purple spotted, ovate or broadly so to elliptic, 3.8-7 × 2.6-4.9 mm, 8-callose, 3-veined, base contracted into a claw 0.3-1 mm, apex obtuse or acute. Stamens 5-5.5 mm; anthers purple. Ovary subsuperior, ovoid, 3.5-3.6 mm; styles 1.4-1.5 mm. Fl. Jul-Aug.

* Slopes, by water, rock crevices; 3000-3600 m. SE Xizang.