单花帚菊 dan hua zhou ju

Myripnois uniflora Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg 27: 495. 1882.

Shrubs, ca. 1 m tall. Leaves on long shoots alternate, petiole ca. 1 mm, leaf blade oblong or linear-oblong, 11-25 × 2-4 mm, papery, abaxially densely sericeous, adaxially sparsely villous, base attenuate, margin entire, apex mucronate or obtuse; leaves on branchlets tufted, 3-5, leaf blade narrowly oblong to linear-lanceolate, 18-40 × 2-5 mm. Capitula solitary, terminal on branchlets, ca. 1.3 cm, 1-flowered; peduncle 2-4 mm; involucre narrowly cylindric, 9-10 × 2-3 mm; phyllaries ca. 3-seriate, abaxially densely white lanuginous, outer phyllaries ovate, ca. 3.5 mm, inner narrowly linear, 8-10 mm. Florets bisexual, corolla purplish red, tubular, ca. 10 mm, deeply 5-lobed, lobes linear, revolute. Achenes obovoid, ca. 5 mm, white villous, ribbed; pappus white, ca. 8 mm. Fl. Jun-Aug.

● Scrub on mountain slopes; 1900-2100 m. Gansu.