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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Sinosenecio

30. Sinosenecio albonervius Y. Liu & Q. E. Yang, Bot. Stud. 52: 359. 2011.

白脉蒲儿根 bai mai pu er gen

Herbs, rhizomatous, with leafy stems; stolons absent. Rhizomes ca. 6 mm in diam. Stems solitary or several, erect, 24-45 cm tall, simple, pubescent or glabrous. Radical leaves long petiolate; petiole 8-20 cm, pubescent or sometimes glabrescent, base expanded, not auriculate; blade abaxially pale green, adaxially matte green, reniform to orbicular-reniform in outline, 3-13 × 4-13 cm, submembranous, abaxially pubescent with spreading hairs or sometimes glabrescent, adaxially pubescent, palmately white veined, base shallowly to deeply cordate, shallowly palmately 7-9-lobed to 1/4-1/3, apex acute to obtuse; lobes deltoid, margin remotely denticulate. Upper stem leaves smaller, with shorter petioles. Capitula many in apical compound corymbs; peduncles 1-3 cm, distally expanded, sparsely fulvous villous. Involucres campanulate, 7-8 × 8-9 mm, ecalyculate; phyllaries 12 or 13, green, oblong-lanceolate, ca. 7 × 2 mm, herbaceous, sparsely fulvous villous or sometimes glabrescent, apex fimbriate-ciliate and acuminate or acute. Ray florets 9-13; corolla tube 2-3 mm, glabrous; lamina yellow, oblong-elliptic, ca. 10 × 3 mm, 4-veined, apically 3-denticulate. Disk florets many; corolla ca. 4 mm, tube ca. 3 mm, limb campanulate; lobes ovate-lanceolate. Anthers ca. 1.7 mm, base obtuse, appendages ovate-oblong. Style branches ca. 0.6 mm, apex truncate. Achenes cylindric, ca. 2 mm, smooth, glabrous. Pappus absent. Fl. Apr, fr. May-Jun. 2n = 48*.

● Shaded places along streamsides; 800-1200 m. Hubei (Wufeng), Hunan (Shimen).

Sinosenecio albonervius resembles S. palmatisectus but differs in the leaf blade adaxially spreading pubescent, 7-9-palmatilobed to 1/4-1/3, the lobes deltoid in outline, and the veins white adaxially.


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