小斑虎耳草 xiao ban hu er cao

Herbs perennial, cespitose, 1.5-6 cm. Stem dark purple glandular hairy. Basal leaves aggregated into a rosette; leaf blade spatulate, 3.5-4 × ca. 1.4 mm, carnose, both surfaces glabrous, adaxially pustulate distally, margin cartilaginous pustulate and ciliate, apex obtuse. Cauline leaves aggregated, subspatulate, ca. 4.9 × 1.4 mm, carnose, dark purple glandular hairy, adaxially pustulate distally, apex obtuse. Flower solitary or cyme 2- or 3-flowered; pedicels 1.3-3 cm, dark purple glandular hairy. Sepals erect, ovate, ca. 2.7 × 1.6 mm, subcarnose, abaxially and at proximal margin dark purple glandular hairy, veins 5, confluent into a verruca at apex, apex acute. Petals ivory to pale yellow or yellow, proximally yellow, orange, crimson, or purple spotted, elliptic, 7-9 × 2.5-5.5 mm (or less than 3.5 × 2 mm), not or obscurely callose, 5-veined, base abruptly narrowed into a claw 0.6-1.1 mm, apex obtuse. Stamens ca. 4 mm. Ovary subsuperior, broadly ovoid, ca. 2.2 mm; styles ca. 1 mm. Fl. Jul-Sep.

Alpine meadows, cushion vegetation, screes, rock crevices; 4600-5800 m. S Xizang [Nepal, Sikkim].

Lower Taxa

• Saxifraga punctulata var. minuta J. T. Pan
• Saxifraga punctulata var. punctulata