打箭虎耳草 da jian lu hu er cao

Herbs perennial, 5.5-9 cm tall. Stem sparsely glandular hairy, proximally sometimes with glands deciduous. Proximal cauline leaves subspatulate, 4.5-5 × 1.3-1.5 mm, subcarnose, both surfaces glabrous, margin cartilaginous setose-ciliate distally, apex obtuse; median leaves lanceolate to linear-lanceolate, 4.7-5 × 1-1.5 mm, glabrous except sparsely cartilaginous setose at apex; most distal leaf narrowly ovate, ca. 4.6 × 1.9 mm, abaxially and marginally sparsely glandular hairy, apex acute, cartilaginous mucronate. Cymes 2-4-flowered or flower solitary; pedicels slender, 1.3-2.3 cm, sparsely glandular hairy. Sepals spreading, ovate to broadly so, 2.1-2.3 × 1.6-1.8 mm, subcarnose, abaxially sparsely glandular hairy, veins 4 or 5, not confluent at apex, margin glandular ciliate or glabrous, apex subacute. Petals yellow, narrowly ovate to suboblong, 6.2-6.7 × 2.5-2.8 mm, 2-callose near base, 3-veined, base contracted into a claw 0.8-1 mm, apex subobtuse or acute. Stamens ca. 4 mm. Ovary subsuperior, ovoid, ca. 2 mm; styles ca. 1 mm. Fl. and fr. Jul-Sep.

* Rock crevices; 3800-4000 m. W Sichuan (Kangding Xian).