膜缘川木香 mo yuan chuan mu xiang

Jurinea forrestii Diels, Notes Roy. Bot. Gard. Edinburgh 5: 200. 1912; Dolomiaea denticulata (Y. Ling) C. Shih; Vladimiria denticulata Y. Ling; V. forrestii (Diels) Y. Ling.

Herbs 6-15 cm tall, perennial, stemless or shortly stemmed. Caudex 1-1.5 cm in diam., simple. Rosette leaves petiolate; petiole 3-10 cm; leaf blade elliptic, obovate, ovate, or subtriangular, 10-20(-30) × 5-15 cm, pinnately lobed to undivided, green or yellowish green, almost concolorous, sparsely strigose, base subcordate, truncate, or cuneate-attenuate, margin spinulose-dentate to sinuate-denticulate, apex rounded to acuminate; lobes 4-8 pairs, ovate, broadly triangular, or falcate. Upper leaves smaller, pale yellowish green, base cuneate-attenuate, apex acute. Capitula 3-9, clustered in center of leaf rosette, sessile or shortly pedunculate. Involucre campanulate, 2-2.5(-3) cm in diam. Phyllaries in 5 or 6 rows, leathery, glabrous, margin dark brown and scarious; outer phyllaries ovate to elliptic, 7-15 × 5-9 mm, apex rounded to obtuse; middle and inner phyllaries elliptic to narrowly elliptic, 1.5-3 × 0.4-0.7 cm, apex obtuse, acute, or acuminate. Corolla purplish red, 2.3-2.8(-3.5) cm, tube 1.4-2 cm, limb 8-10 mm, lobes 5-6 mm. Achene cylindric, 4-7 mm, 4-angled, apically verrucose. Pappus bristles in many rows, yellowish brown, scabrid to barbellate, 2-2.5 cm. Fl. and fr. Jul-Nov.

● Grasslands on mountain slopes, thickets, forests, forest margins; 3000-4200 m. SW Sichuan, SE Xizang, NW Yunnan.

Dolomiaea denticulata was described from a specimen without basal leaves and is only known from two collections. The diagnostic characters, exclusively of the upper leaves, do not seem to be sufficient to treat these plants as specifically different from D. forrestii.