茂汶过路黄 mao wen guo lu huang

Herbs perennial, to 10 cm tall, with numerous fibrous roots. Stems erect or arcuate at base, simple or weakly branched from lower part, rust-colored villous, minutely glandular. Lower leaves ± forming a rosette, usually smaller, abaxially with pilose midvein and veins, adaxially glabrous, base rounded, abruptly narrowed into a 2--3 mm petiole. Upper leaves opposite, medial 3 or 4 pairs equally spaced, sessile, ovate to broadly ovate, 9--15 X 5--11 mm. Pedicel filiform, 0.9--1.6 cm, pilose. Flowers solitary, in axils of upper leaves. Calyx lobes subulate-lanceolate, 4--5.5 X ca. 3.3 mm, margin densely papillate, apex long acuminate. Corolla yellow, rotate, 1.1--1.3 cm in diam., epunctate; lobes ovate-lanceolate. Filaments connate basally into a ring, free parts ca. 2 mm; anthers linear, dorsifixed, opening by lateral slits, ca. 2.5 mm. Ovary glabrous; style 4--5 mm. Capsule unknown. Fl. May.

* ca. 1300 m. W Sichuan (Maowen Qiang)