Sabdariffa costata M. M. Hanes & R. L. Barrett 2025, comb. nov.

Sabdariffa costata (A.Rich.) M.M.Hanes & R.L.Barrett, comb. nov. (Fig. 13 a, b.) Hibiscus costatus A.Rich. in R. de la Sagra, Hist. Phys. Cuba, Pl. Vasc. 10(2): 138–139, t. 15 (1845 [1841]). Type: Cuba: ‘Crescit in Vuelta de Abajo ’, R.de la Sagra s.n. (lecto, designated by F.Areces Berazaín, Revista Jard. Bot. Nac. Univ. Habana 25/26: 27–28 (2006): P 02285891; isolecto: K 000199693, LIL 000829, P 02285892, P 02285893, US 00098082). Hibiscus australis J.D.Smith, Enum. Pl. Guatem. 6: 4 (1903), nom. inval., nom. nud. Hibiscus costatus var. glabellus R.E.Fr., Kongl. Svenska Vetensk. Acad. Handl., ser. 3, 24(2): 30 (1947). Type: Belize: British Honduras, Honey Camp, Coastal Region, 11 Feb. 1929, C.L. Lundell 662 (holo: S 12- 17671). Descriptions and illustrations Richard (1845, pp. 138–139); Fries (1947, p. 30); León and Alain (1957, pp. 253–254, fig. 108); Menzel et al. (1983 a, p. 207, fig.); Fryxell (1988, p. 205); Edmonds (1991, fig. 1(12); 2(26)); Fryxell (1992 b, pp. 103–104, fig. 11 [fig. on p. 85 due to a printing error]); Fryxell (2000, p. 12); Areces Berazaín (2006, pp. 27–28, fig. 1a, 2b, c, 3b, 4b, g). Distribution Belize, Cuba, Guatemala, Honduras, Mexico, Nicaragua and Panamá.