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

43. Senecio multibracteolatus C. Jeffrey & Y. L. Chen, Kew Bull. 39: 402. 1984.

多苞千里光 duo bao qian li guang

Jacobaea multibracteolata (C. Jeffrey & Y. L. Chen) B. Nordenstam.

Herbs, perennial, rhizomatous. Stem solitary, erect, to 60 cm tall, sparsely arachnoid, simple. Basal and often also lower stem leaves withered and shed by anthesis; lower and median stem leaves ± sessile; blade obovate-oblong, elliptic-oblong, or ovate-oblong, 6-13 × 2.5-4 cm, thickly papery, abaxially arachnoid, adaxially sparsely arachnoid, glabrescent to glabrous, base ± expanded and lobulate-auriculate, lyrate-pinnatifid or pinnatifid with ovate-oblong or oblong, obtuse or subacute, irregularly dentate or pinnately lobulate terminal lobe and 14-18 oblong or oblong-lanceolate, irregularly dentate or lacerate lateral lobes. Upper leaves similar but smaller, thickly papery; uppermost leaves reduced, bractiform. Capitula radiate, numerous, arranged in terminal corymbs; peduncles 1-3.5 cm, white arachnoid-tomentose, with 2 or 3 linear-subulate bracteoles. Involucres campanulate, ca. 6 × 6-8 mm, calyculate; bracts of calyculus 10-17, linear-subulate, acute, 3-4 mm, apex dark; phyllaries 18-20, linear-lanceolate, 1-1.5 mm wide, herbaceous, thinly arachnoid, glabrescent, margins scarious, gradually acute, apex dark brown, puberulent. Ray florets 10-13; corolla tube ca. 4 mm, slender; lamina yellow, oblong-elliptic, 9-12 × ca. 2.5 mm, apically 3-denticulate. Disk florets many; corolla yellow, ca. 6 mm, with ca. 2.3 mm glabrous tube and funnelform limb; lobes ovate-triangular, ca. 0.8 mm, apically acute, papillose. Anthers ca. 2 mm, basally obtuse-auriculate, appendages ovate-lanceolate; antheropodia rather elongated, basally somewhat expanded. Style branches ca. 0.8 mm. Achenes cylindric, 2.5-3 mm, glabrous. Pappus white, ca. 6 mm, present in all florets. Fl. Nov.

● Forest margins; 2700-2800 m. Sichuan (Daocheng, Muli), Yunnan (Lijiang).


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