理塘虎耳草 li tang hu er cao

Hirculus litangensis (Engler) Losinskaja; Saxifraga litangensis f. minor Engler.

Herbs perennial, densely cespitose, 3.5-7.5 cm tall. Stem shortly brown glandular hairy, crisped glandular villous at leaf axils. Basal leaves with petiole ca. 7.5 mm, proximally brown crisped glandular villous, distally glandular hairy; leaf blade suboblong, ca. 6 × 2.5 mm, brown glandular hairy. Cauline leaves sessile, oblong to linear-oblong, 0.8-1.4 cm × 2-3 mm, crisped glandular villous at base, brown glandular hairy elsewhere. Cyme 2- or 3-flowered or flower solitary; pedicels 3-7(-14) mm, shortly brown glandular hairy. Sepals erect to spreading, ovate to elliptic, 2.1-3.8 × 1.8-2.2 mm, abaxially and marginally dark brown glandular hairy, veins 4-7, not confluent at apex. Petals yellow, ovate or subobovate to suboblong, 6-7 × 3-3.3 mm, 2-callose, 5-7-veined, base subcordate, with a claw 0.5-0.8 mm, apex obtuse to acute. Stamens 3-4.3 mm. Ovary subsuperior, ovoid to broadly so, 2.8-3.8 mm; styles divergent, 1-3 mm. Fl. and fr. Aug-Oct.

* Alpine scrub, alpine meadows, rock crevices; 4000-5400 m. W Sichuan, S Xizang.