1. Hainanecio hainanensis (C. C. Chang & Y. C. Tseng) Y. Liu & Q. E. Yang, Bot. Stud. 52: 118. 2011.
海南菊 hai nan ju
Senecio hainanensis C. C. Chang & Y. C. Tseng, Fl. Hainan. 3: 585. 1974; Sinosenecio hainanensis (C. C. Chang & Y. C. Tseng) C. Jeffrey & Y. L. Chen.
Herbs, scapigerous. Rhizomes stout, to 6 mm in diam., rather woody. Stems 1-3, erect, scapiform, 15-30 cm tall, simple, arachnoid-tomentose, with white hairs when young, glabrescent. Leaves several, radical, rosulate, long petiolate; petiole 5-10 cm, stout, sparsely arachnoid-tomentose; blade ovate, ovate-oblong, or obovate, 6-12 × 4-8 cm, both surfaces densely white tomentose when young, ± glabrescent to glabrous or sparsely puberulent, pinnately veined with 6 or 7 lateral veins on each side, midvein prominent abaxially, base rounded to broadly cuneate and sometimes unequal, margin shallowly repand-dentate, with mucronulate teeth, apex rounded. Capitula solitary, terminal, ca. 2 cm in diam.; scapes not bracteate. Involucres campanulate-hemispheric, ca. 6 × 7 mm, not calyculate; receptacle subglabrous; phyllaries ca. 9, lanceolate, 1-1.5 mm wide, herbaceous, puberulent, margin scarious, apically puberulent, acuminate. Ray florets 9 or 10; corolla tube ca. 3 mm; lamina yellow, elliptic-oblong, 8-10 × 3-4 mm, 7-veined, apically 2-denticulate, acuminate. Disk florets numerous; corolla yellow, ca. 3.5 mm, with 1.5-2 mm tube and campanulate limb; lobes oblong-lanceolate, ca. 2 mm, apically acute. Anthers oblong, ca. 1.8 mm, basally obtuse to rounded, appendages ovate. Style branches recurved. Achenes obovoid-elliptic, ca. 3.5 mm, smooth, glabrous. Pappus absent. Fl. Jul-Oct, fr. Aug-Nov. 2n = 58*.
● Shaded places in woods; 900-1200 m. Hainan (Baoting, Changjiang, Qiongzhong).