Homostylium argyropholium var. paradoxum Z. X. Fu 2025, comb. nov.

2.3.Homostylium argyropholium var. paradoxum(Y. Ling) Z. X. Fu comb. nov. ≡ Aster argyropholis var. paradoxus Y. Ling, Fl. Reipubl. Popularis Sin. 74: 358. 1985. ≡ Sinosidus paradoxus (Y. Ling) G. L. Nesom, Phytoneuron 2020-64: 13. 2020. Type: China, Sichuan, Barkam, alt. 2700 m, 18 July 1957, X. Li 23091 (holotype, PE 00275072!; isotype, KUN, not seen) (Suppl. material 1: fig. S 27). Type. China • Sichuan, Barkam, alt. 2700 m, 18 July 1957, X. Li 23091 (holotype, PE 00275072!; isotype, KUN, not seen) (Suppl. material 1: fig. S 27). Diagnosis. Leaves abaxially sparsely tomentose, secondary veins abaxially prominent. Involucres 5–6 mm. Phyllaries 5 - seriate. The lateral veins of abaxial leaves in this variety are prominently elevated and covered with fine tomentum, differentiating it from the type variety. Distribution. China, W Sichuan (Barkam, Jinchuan). Jinchuan is a new distribution record at the county level. Habitat. Subalpine. Etymology. The varietal name “ paradoxum ” is derived from the Greek “ paradoxos ”, meaning “ contrary to expectation ” or “ unexpected ”, combined with the Latin neuter suffix “ - um ”. The name likely refers to a distinctive or unexpected characteristic that distinguishes this variety from others. Specimens examined. China • Sichuan: Barkam, T. Y. Chang & H. F. Zhou 23091 (PE, IBSC, KUN, QTPMB), Z. X. Fu 3004 (PE), 3005 (PE), 3006 (PE), 3007 (PE), 3008 (PE), 3014 (PE), 3018 (PE); Jinchuan, Z. X. Fu 3002 (PE).