芽生虎耳草 ya sheng hu er cao

Hirculus gemmiparus (Franchet) Losinskaja; Saxifraga gasterostens H. Léveillé.

Stem many branched, (5-)9-24 cm tall, proximally eglandular villous, distally glandular hairy. Leaf buds present in axils of proximal, median, or distal cauline leaves. Proximal cauline leaves often scalelike, less than 1/2 size of median ones, ca. 3 mm. Median cauline leaves often aggregated into a loose rosette, sessile; leaf blade narrowly obovate or oblong to linear-oblong, 0.6-2.9 cm × 1.2-9 mm, strigose at least adaxially, base cuneate, margin eglandular setose-ciliate, apex acute. Cyme usually corymbose, laxly branched, 2-9 cm, 2-12-flowered; pedicels 0.6-2.4 cm, glandular hairy. Sepals erect, then spreading, ultimately reflexed, subovate, 2-4 × 1-2 mm, abaxially glabrous, variably glandular, or eglandular hairy, veins 3-7, confluent at apex, margin glabrous or sometimes glandular hairy at base, apex acute. Petals white, spotted yellow or purple, ovate or narrowly so, elliptic, or oblong, 2(-4)-callose, 3-7-veined, base contracted into a claw 1-1.5 mm, apex subobtuse or acute. Stamens 2-6 mm. Ovary subsuperior, ovoid, 2-3.5 mm; styles 0.8-3 mm. Fl. and fr. Jun-Nov.

Forests, forest margins, scrub, meadows, rock crevices; 1700-4900 m. W Sichuan, Yunnan [N Thailand].