尼泊尔菊三七 ni bo er ju san qi

Gynura dielsii H. Léveillé, nom. illeg. superfl.; G. nudibasis (H. Léveillé & Vaniot) Lauener & D. K. Ferguson; Senecio nudibasis H. Léveillé & Vaniot.

Herbs, perennial. Stems erect or ascending, robust, 30-45 cm tall, woody at base, ca. 10 mm in diam., corymbosely branched in upper part, densely fulvous tomentose. Stem leaves numerous, absent on lower part of stem. Leaves petiolate, basally not auriculate; blade narrowly elliptic, ovate, or rhombic or oblong-lanceolate, 3-20 × 1-6 cm, lateral veins 3-6(-8)-paired, abaxially pubescent, adaxially gray-white sparsely or densely fulvous pubescent, base cuneately gradually attenuate to petiole, margin entire or serrate in upper half, rarely lobed, apex acute or acuminate. Upper leaves smaller, becoming bractlike, narrowly lanceolate-linear, sessile. Capitula numerous, ca. 10 mm in diam., usually in terminal elongate lax corymbs; peduncles 1-10 cm, with few linear bracts, densely shortly pubescent. Involucres campanulate, 10-13 × ca. 10 mm, with 7 or 8 linear calycular bracts, densely shortly pubescent; phyllaries uniseriate, 13 or 14, linear-lanceolate, ca. 10 × 1.5-2.5 mm, densely fulvous tomentose or subglabrous, sometimes sessile glandular hairy, margin scarious, apically acuminate. Florets yellow; corolla 8-10 mm; tube 4-5 mm, slender; limb dilated, lobes triangular-ovate. Anthers obtuse at base. Style branch tips conical, papillose. Achenes cylindric, 3-4(-6) mm, glabrous or sparsely hairy, 10-ribbed. Pappus hairs numerous, white, silky, easily deciduous. Fl. May-Oct.

On rocks, field margins, by streams; 1100-2100 m. Guizhou, Yunnan [Bhutan, India, Kashmir, Myanmar, Nepal, Thailand].