玉龙虎耳草 yu long hu er cao

Hirculus forrestii (Engler & Irmscher) Losinskaja.

Herbs perennial, cespitose, 5-13 cm tall. Stem slender, proximally brown pilose (hairs sometimes glandular), distally sparsely shortly glandular hairy. Basal leaves with petiole 6-13 mm, crisped glandular villous at base and margin; leaf blade ovate or subobovate to elliptic, 1.5-8 × 1-4 mm, adaxially and marginally brown glandular villous, apex obtuse. Proximal cauline leaves with petiole ca. 4 mm, brown glandular villous at margin; leaf blade linear-lanceolate to linear-oblong, 3.4-5.5 × 0.2-1.1 mm, leathery, adaxially and marginally brown glandular villous (hairs to 1 mm); distal leaves sessile, linear, ca. 7.5 × 0.9 mm, subcarnose, margin glandular pilose or glabrous. Cyme 4.5-6 cm and 2-4-flowered or flower solitary; pedicels slender, 0.9-3 cm, glabrous or sometimes sparsely black glandular hairy. Sepals reflexed, subelliptic to ovate, 2-3 × 1-1.8 mm, both surfaces glabrous, veins 3, not confluent at apex, distal margin glandular ciliate or glabrous, apex obtuse. Petals yellow, oblong-ovate to oblong, 4-7 × 1.5-3.1 mm, distinctly or indistinctly 4-callose near base, 3-veined, base contracted into a claw 0.6-0.8 mm, apex subacute. Stamens 2.5-3.6 mm. Ovary subsuperior, ovoid, 2.5-3 mm; styles 0.5-2 mm. Fl. Aug-Sep.

* Meadows, rock crevices; 2700-3900 m. NW Yunnan (Lijiang Naxi Zu Zizhixian, Zhongdian Xian).