Saxifraga nigroglandulifera Balakr.

Herbs perennial, 5-36 cm tall. Stem simple, proximally dark brown villous only at leaf axils, distally shortly dark brown glandular hairy. Basal leaves with petiole 1.8-6 cm, margin crisped glandular villous; leaf blade broadly elliptic to ovate or suboblong, 1.5-4 × 1-1.7 cm, abaxially glabrous, adaxially glabrous or sometimes sparsely glandular hairy, margin sparsely brown crisped glandular villous, apex obtuse or acute. Cauline leaves with petiole 2-17 mm, gradually shorter to absent distally on stem, margin brown glandular villous; leaf blade lanceolate to oblong, 1.3-7.5 × 0.3-2.2 cm, both surfaces subglabrous, margin brown glandular villous, apex obtuse or acute. Cyme racemiform, 2-12.5 cm, 2-14-flowered; flowers usually nodding and secund; pedicel 5-6 mm, densely dark brown glandular hairy. Sepals erect, triangular-ovate or ovate to lanceolate, 3.5-5.4 × 1.4-3 mm, abaxially and marginally dark brown glandular hairy, veins 3-6, not confluent at apex, apex obtuse or acute. Petals yellow, subspatulate to narrowly obovate, 7.4-9.6 × 2.5-3 mm, not callose, 3-5-veined. Stamens 4-7 mm. Ovary semi-inferior, 2-4.8 mm; styles 1.2-1.4 mm. Fl. and fr. Jul-Oct.

W Sichuan, S Xizang, NW Yunnan [Bhutan, Nepal, Sikkim].

Forests, forest margins, scrub, alpine meadows, stony hillsides, alpine lakesides; 2700-5000(-5400) m.

Saxifraga nutans J. D. Hooker & Thomson, J. Proc. Linn. Soc., Bot. 2: 69. 1858, not D. Don (1822), nor Adams (1834); Hirculus nutans Losinskaja; S. nutans f. swertioides Engler.

Saxifraga nigroglandulifera là một loài thực vật có hoa trong họ Saxifragaceae. Loài này được N.P. Balakr. miêu tả khoa học đầu tiên năm 1970.

垂头虎耳草（学名：Saxifraga nigroglandulifera）为虎耳草科虎耳草属下的一个种。