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

36. Senecio faberi Hemsley, J. Linn. Soc., Bot. 23: 452. 1888.

峨眉千里光 e mei qian li guang

Senecio kaschkarowii C. Winkler.

Herbs, perennial, robust, rhizomatous. Stem solitary, erect, 80-150 cm tall, stout, fistulose, simple or branching into synflorescence above, sparsely pubescent when young, glabrescent. Basal leaves mostly withered by anthesis, long petiolate; petiole gradually expanded and somewhat sheathing but not auriculate at base; blade ovate, margin lyrate-pinnate with large irregularly coarsely dentate or lobulate terminal lobe and 2-4 small basal lobes. Lower and median stem leaf petioles 8-10 cm, ± winged, basally rounded-auriculate and subamplexicaul; blade lyrate-pinnatifid, to 40 cm, submembranous, abaxially sparsely pubescent on main veins, adaxially glabrous, with large ovate-triangular, to 18 × 13-15 cm, acuminate, irregularly coarsely dentate, hastate to truncate terminal lobe and 2-4 smaller, unequal, oblong-lanceolate, acuminate, dentate lateral lobes. Upper leaves smaller, sessile; blade ovate-lanceolate to oblong, 10-25 × 5-12 cm, blade confluent into prominent rounded semiamplexicaul dentate auricle, margin irregularly coarsely dentate and pinnately narrowly lacerate-lobulate, apex acuminate. Uppermost leaves linear-lanceolate to linear, apically acuminate-attenuate. Capitula radiate, very numerous, arranged in abundant terminal compound corymbs; peduncles 3-10 mm, slender, pubescent, usually linear-bracteate at base; bracteoles 2 or 3, linear-subulate. Involucres narrowly campanulate, 3-5 × 1.5-2 mm, calyculate; bracts of calyculus 3 or 4, linear; phyllaries 8, linear, 3-4 × ca. 1 mm, herbaceous, glabrous, margin narrowly scarious, apically obtuse, purplish and minutely fimbriate. Ray florets 3 or 4; corolla tube ca. 2.5 mm; lamina yellow, linear, ca. 4.5 × 1 mm, 3- or 4-veined, 2- or 3-denticulate. Disk florets 6-9; corolla yellow, ca. 5.5 mm, with ca. 2.5 mm tube and funnelform limb; lobes oblong-lanceolate, ca. 1.2 mm, apically acute, papillose. Anthers ca. 1.6 mm, basally obtuse-auriculate, appendages ovate-oblong; antheropodia rather short, slender, basally slightly dilated. Style branches ca. 1 mm. Achenes cylindric, ca. 3 mm, glabrous. Pappus white, ca. 4 mm. Fl. Jun-Aug.

● Forests, thickets, grassy slopes, shaded wet places; 900-2700 m. Guizhou, Shaanxi, Sichuan.


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