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

10. Synotis nayongensis C. Jeffrey & Y. L. Chen, Kew Bull. 39: 302. 1984.

纳拥合耳菊 na yong he er ju

Herbs, erect, rhizomatous. Rhizome thick, woody, creeping. Vegetative stem solitary, erect, ca. 35 cm, sparsely pubescent, glabrescent to glabrous, leafless except at apex. Flowering stem solitary, erect, scapiform, 35-60 cm tall, shortly branching, thinly arachnoid-tomentose, glabrescent. Leaves crowded, subrosulate at base of flowering stems; petiole 1-2.5 cm, not winged, slightly expanded at base; blade oblanceolate-obovate, 10-20 × 3-6 cm, membranous, abaxially sparsely arachnoid, glabrescent to subglabrous, adaxially scattered setulose, pinnately veined, lateral veins 10-14, arcuate-ascending, base cuneate-attenuate into petiole, margin shallowly sinuate-apiculate or repand-apiculate, apex subacute-acuminate. Flowering stem leaves few, remote, much smaller. Capitula discoid, numerous, arranged in rather dense 3-7-headed corymbs, terminal on short synflorescence branches, whole forming a somewhat attenuate narrowly paniculoid thyrse; peduncles 3-5 mm, densely fulvous tomentose, 1- or 2-bracteolate; bracts linear. Involucres cylindric, ca. 6 × 2-2.5 mm, calyculate; bracts of calyculus 3-5, ovate or ovate-oblong, 1/4-1/3 as long as phyllaries; phyllaries 5, narrowly oblong, 1-1.5 mm wide, herbaceous, margin narrowly scarious, glabrous, conspicuously 3-5-veined, apically triangular, obtuse, puberulent and dark colored. Ray florets absent. Disk florets 4 or 5; corolla yellow, ca. 9 mm, with ca. 2.5 mm tube and narrowly funnelform limb, exserted from involucre; lobes oblong-lanceolate, ca. 1.5 mm, apically acute. Anthers ca. 3.5 mm, anther tails ca. equaling antheropodia; appendages ovate-lanceolate; antheropodia stout, basally dilated. Style branches ca. 1.5 mm, fringed with long papillae, terminal tuft not conspicuously longer. Achenes ca. 4 mm, glabrous. Pappus ca. 8.5 mm, fulvous. Fl. Jul.

● Shaded places among shrubs; ca. 2000 m. Guizhou (Nayong).


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