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

27. Parasenecio tenianus (Handel-Mazzetti) Y. L. Chen, Fl. Reipubl. Popularis Sin. 77(1): 57. 1999.

盐丰蟹甲草 yan feng xie jia cao

Cacalia teniana Handel-Mazzetti, Symb. Sin. 7: 1129. 1936.

Plants with fascicled tomentose roots. Stem solitary, striate, erect, 55-65 cm tall, glabrous, long naked, with few scales. Leaves often crowded at middle of stems. Lower leaf petiole as long as blade or shorter, slender, not winged; blade broadly ovate-triangular or reniform-triangular, ca. 9 × 12-15 cm, with prominent angles on nearly basal margins, base truncate or slightly cordate, broadly cuneate-attenuate into petiole, apex acute or shortly acute. Upper leaves shortly petiolate, gradually smaller upward, abaxially pale or becoming red-brown when dry, adaxially dark green, triangular or subpentagonal, narrow, papery when dry, basally 3-veined, rarely 5-veined, lateral veins extended-branched, both surfaces glabrous, veins prominent abaxially, margin cartilaginous mucronulate-denticulate, apex shortly acuminate. Capitula many, terminal or in upper leaf axils, arranged in lax racemes, pendulous; bracts linear-lanceolate, ca. 5 mm, submembranous; peduncles 3-5 mm, with 1 or 2 linear bractlets. Involucres cylindric, ca. 10 × 1.5-2 mm; phyllaries 3, linear-lanceolate, ca. 10 × 1.5 mm, glabrous, with many fine veins, margin narrowly scarious, apically acute or obtuse. Florets 2 or 3; corolla yellow, 8-10 mm, with ca. 4 mm tube and narrowly campanulate limb; lobes excurved, lanceolate, ca. 2 mm. Anthers exserted from corolla, basally long caudate. Style branches excurved, apically obtuse or slightly acute, papillose. Achenes cylindric, 3-4 mm, glabrous, ribbed. Pappus white, 7 or 8 mm. Fl. Aug-Sep.

● Understories of mixed forests; 2700-3200 m. Yunnan.


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