密叶虎耳草 mi ye hu er cao

Herbs perennial, 4.5-10 cm tall. Stem dark brown glandular pilose, often eglandular pilose proximally. Proximal cauine leaves subspatulate, 3-4.4 × 1-1.5 mm, carnose, both surfaces glabrous, margin setose-ciliate; median leaves aggregated, narrowly oblong, ca. 8 × 1.7 mm, both surfaces glabrous, margin setose-ciliate, apex mucronate; distal leaves remote, narrowly lanceolate, ca. 7 × 1.5 mm, both surfaces glabrous or glandular hairy distally, margin glandular ciliate, apex acute. Cyme 2-7-flowered; pedicels slender, dark brown glandular hairy. Sepals reflexed or spreading, ovate or subovate, 1.5-2.5 × 1-1.3 mm, abaxially glandular hairy, veins 3, not confluent at apex, margin sparsely glandular ciliate proximally, apex obtuse and erose or acute. Petals yellow, proximally obscurely orange spotted, oblong, 6-6.5 × 1.5-2 mm, 4-callose or not callose, 3-veined, base contracted into a claw ca. 0.5 mm, apex acute. Stamens 4-4.5 mm. Ovary subsuperior, ellipsoid, ca. 2 mm; styles ca. 1.1 mm. Fl. Jun-Aug.

* Cupressus forests, alpine meadows, rock crevices; 4000-4500 m. NC and W Sichuan, S Xizang, NW Yunnan.

Lower Taxa

• Saxifraga densifoliata var. densifoliata
• Saxifraga densifoliata var. nedongensis J. T. Pan