Sapphoa rigidifolia Urb., Repert., 2015

Franck, Alan R. & Daniel, Thomas F., 2015, Taxonomic and Nomenclatural Notes on Six Genera of Acanthaceae in the West Indies, Proceedings of the California Academy of Sciences 62 (10), pp. 309-329 : 318

2. Sapphoa rigidifolia Urb., Repert. Spec. Nov. Regni Veg. 18:25. 1922. TYPE.— CUBA. Holguín: Sierra de Cristal , ad rivière in Lebisa affluent [Río Levisa], 650-1000 m, fructus scandens, flores caeruleus, 4 Mar 1916, Ekman 6794 (holotype: S [05-396]). Figure 2D.

STENANDRIUM Nees, Nat. Syst. Bot. 444. 1836, nom. cons. TYPE.— Stenandrium mandioccanum Nees.

Gerardia L., Sp. Pl. 2:610. 1753, pro parte . TYPE.— Gerardia tuberosa L. Figure 4D.

DISCUSSION.— Stenandrium s.s. (Acantheae) contains ca. 50 species of perennial herbs and subshrubs distributed throughout the tropics and subtropics of the New World ( Daniel 1984). Morphologically similar species from the Old World (= Stenandriopsis S. Moore ) have been included in Stenandrium (e.g. Vollesen 1992), but molecular phylogenies ( McDade et al. 2005) place the Old World Stenandriopsis apart from New World Stenandrium . Vollesen (1992), however, was unable to discern any discrete morphological differences between Stenandriopsis and Stenandrium .

A few infrageneric names within Stenandrium have been introduced, however, no comprehensive infrageneric classification of Stenandrium has been proposed. Therefore, the three infrageneric names will likely require additional studies to determine their taxonomic utility.

Figures

FIGURE 4. A. Lectotype of Stenandrium tuberosum from Burman (1756). B. Illustration of Stenandrium pinetorum from Jennings (1917). C. Isotype of Stenandrium droseroides, de la Sagra s.n. [000250674]. D. Stenandrium (likely S. tuberosum), part of tab. 12 with description from page 30 of Plumier (1703, as “Gerardia”); a. flower, b. corolla separated from c. calyx, d. capsule, e. septum, f. seed. E. Holotype of Stenandrium bracteosum, Wilson 7472 [00114975], courtesy of the C. V. Starr Virtual Herbarium of The New York Botanical Garden. F. Lectotype of Stenandrium ovatum, Ekman 10701 [05-310]. G. Lectotype of Stenandrium crenatum, Ekman 8700 [05-307].