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

19. Synotis sinica (Diels) C. Jeffrey & Y. L. Chen, Kew Bull. 39: 313. 1984.

华合耳菊 hua he er ju

Gynura sinica Diels, Bot. Jahrb. Syst. 29: 618. 1901; Senecio sinicus (Diels) C. C. Chang.

Herbs, rhizomatous. Stem solitary, erect, 50-80 cm tall, leafless in lower part, rather densely leafy above, simple or branching in synflorescence only, fulvous arachnoid, glabrescent. Leaves shortly petiolate; petiole 0.5-1.5 cm, densely fulvous pubescent; upper leaves subsessile or sessile, gradually smaller; leaf blade narrowly oblanceolate-elliptic or oblanceolate, 10-16 × 2-3 cm, papery, abaxially sparsely shortly setulose and sometimes purplish, adaxially thinly fulvous arachnoid on midvein, pinnately veined, lateral veins 10-14, base attenuate, margin rather remotely shallowly sinuate-dentate with mucronulate teeth, apex acute-acuminate. Capitula discoid, not very numerous, arranged in narrow terminal thyrses, solitary in axils of upper leaves in lower part of synflorescence, in small axillary and terminal corymbs toward apex of synflorescence; peduncles 5-10 mm, bracteate, densely fulvous arachnoid, with 3 or 4 linear-subulate bracteoles. Involucres cylindric or narrowly campanulate, 7-9 × 2-3 mm, calyculate; bracts of calyculus 3-5, short; phyllaries 8, linear-lanceolate, 1.5-2 mm wide, herbaceous, sparsely to densely arachnoid, margin narrowly scarious, apically obtusely triangular-acuminate and puberulent, somewhat spreading. Ray florets absent. Disk florets ca. 14 or 15; corolla yellow, ca. 10 mm, with ca. 3 mm tube and funnelform limb; lobes oblong-lanceolate, ca. 1.7 mm, apically acute. Anthers 4 or 5; anther tails equaling antheropodia; appendages ovate-oblong; antheropodia rather short and broad, basally slightly dilated. Style branches ca. 1.8 mm, fringed with long papillae, terminal tuft not longer than laterals. Achenes 3-4 mm, glabrous. Pappus white, 7-9 mm. Fl. Jul-Sep.

● Montane forests; 1300-2200 m. Chongqing (Nanchuan), Guizhou.


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