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

11. Senecio acutipinnus Handel-Mazzetti, Symb. Sin. 7: 1127. 1936.

尖羽千里光 jian yu qian li guang

Herbs, perennial, rhizomatous. Stems solitary or few fasciculate, weakly trailing below, ascending to erect above, 60-150 cm tall, not branched below synflorescence, fulvous puberulent when young. Basal and lower stem leaves withered and shed by anthesis; median stem leaf petioles 2-2.5 cm, slender, glabrous, not auriculate; blade oblong-lanceolate, 4-10 × 2-4 cm, papery, abaxially pallid and sparsely puberulent on veins, adaxially subglabrous, runcinate-pinnatipartite into a small linear-lanceolate, acute, terminal lobe and 14-20 oblong-lanceolate or lanceolate, acute, apically mucronulate, entire or obscurely denticulate, basally somewhat contracted lateral lobes; upper leaves smaller. Capitula discoid, numerous, arranged in terminal compound corymbs, crowded, nodding; peduncles 1-3 mm, slender, fulvous puberulent; bracteoles 2 or 3, linear-subulate. Involucres cylindric-campanulate, ca. 6 × 1.5-2 mm, calyculate; bracts of calyculus 1 or 2, linear-subulate, ca. 2 mm; phyllaries 5, oblong-linear, ca. 6 × 1 mm, dark at apex and on upper margins, herbaceous, glabrous, margin narrowly scarious, apically obtuse. Disk florets 6; corolla orange-yellow, ca. 8 mm, with 3-3.5 mm tube and funnelform limb; lobes ovate-triangular, 1-2 mm, apically acute, papillose. Anthers linear, ca. 2 mm, basally shortly obtuse-auriculate, appendages ovate-lanceolate; antheropodium rather elongated, basally not dilated. Style branches ca. 1.2 mm. Achenes cylindric, ca. 2.5 mm, glabrous. Pappus white, ca. 6.5 mm. Fl. Sep-Nov.

● Thicket margins; ca. 3300 m. Yunnan (Longchuan Jiang-Nu Jiang divide).


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