A NOMENCLATOR OF MEXICAN AND CENTRAL AMERICAN RUBIACEAE 



(photos MEXU, PTBG)).— Hedyotis palmeri 

 (A. Gray) W. H. Lewis 



Houstonia parvula Brandegee, Zoe 5: 221. 

 1905. Not Hedyotis parvula (A. Gray) 

 Fosberg, 1943. Type: MEXICO: Sinaloa, 

 vicinity of Culiacan, 12 Oct 1904, T. S. 

 Brandegee s.n. (Holotype UC, n.v.; Isotypes 

 GH, n.v., US (photos MEXU, PTBG)). 

 —Hedyotis sinaloae W. H. Lewis 



Houstonia peninsularis Brandegee, Zoe 5: 160. 

 1903. Type: MEXICO: Baja California, Cape 

 Region, Sierra de la Trinidad, Nov 1902, T. S. 

 Brandegee s.n. (Holotype UC, n.v.; Isotypes 

 GH, n.v., US (photos MEXU, PTBG)). 

 —Hedyotis peninsularis (Brandegee) W. H. 



Houstonia polypremoides A. Gray, Proc. Amer. 

 Acad. Arts 21: 379. 1886. Type: MEXICO: 

 Chihuahua, Santa Eulalia Mountains, 26 Sep 

 1885, C. G. Pringle 356 (Lectotype GH; n.v.; 

 Isolectotypes F, MO (photos MEXU, PTBG), 

 US (photos MEXU, PTBG); designated by 

 Lewis, 1968). Syntype: MEXICO: Chihuahua, 

 Santa Eulalia Mountains, 29 May 1885, C. G 

 Pringle 16 (GH, n.v., US (photos MEXU, 

 PRBG)).— Hedyotis polypremoides (A. 

 Gray) Shinners 



Houstonia polypremoides var. bigelovii 

 Greenman, Proc. Amer. Acad. Arts 32: 291. 

 1897. Type: U.S.A.: Florence Mountains, Jun 

 1852, Bigelow 437 (Holotype GH, n.v.). 

 — Hedyotis polypremoides (A. Gray) W. H. 



Houstonia prostrata Brandegee, Zoe 5: 105. 

 1901. Not Hedyotis prostrata Blume, 1823 

 norKorth., 1851. Type: MEXICO: Baja 

 California, La Palma, Cape Region, 25 Sep 

 1899, T. S. Brandegee s.n. (Holotype UC, 

 n.v.; Isotypes GH, n.v., US 382879 (photos 

 MEXU, PTBG), US 735791 (photos MEXU, 

 PTBG)).— Hedyotis vergrandis W. H. Lewis 



Houstonia prostrata Brandegee var. parvula 

 (Brandegee) Wiggins in Shreve & Wiggins, 

 Veg. Fl. Sonoran Desert 2: 1399. 1964. 

 Houstonia parvula Brandegee, Zoe 5: 221. 

 1905. Not Hedyotis parvula (A. Gray) 

 Fosberg, 1943. Type: MEXICO: Sinaloa, 

 vicinity of Culiacan, 12 Oct 1904, T. S. 



Brandegee s.n. (Holotype UC, n.v.; Isotypes 

 GH, n.v., US (photos MEXU, 

 PTBG)).— Hedyotis sinaloae W. H. Lewis 



Houstonia rubra Cav., Icon. 5: 48, /. 474, fig. I. 

 1799. Type: MEXICO: Hidalgo, Ixmiquilpan, 

 Nee s.n. (Holotype presumably MA, n.v.). 

 — Hedyotis rubra (Cav.) A. Gray 



Houstonia serpyllacea (Schltdl.) C. L. Sm. ex 

 Greenman, Proc. Amer. Acad. Arts 32: 284. 

 1897. Hedyotis serpyllacea Schltdl., Linnaea 

 9: 599. 1834. Type: MEXICO: Mexico, inter 

 La Joya et San Salvador, Jun 1829, Schiede & 

 Deppe 265 (Holotype presumably HAL, n.v.; 

 Isotypes B (photo MO), F (photo PTBG), 

 MO).— Hedyotis serpyllacea Schltdl. 



Houstonia sharpii Terrell, Brittonia 32: 490, fig. 

 I. 1980. Type: MEXICO: Hidalgo, camino 

 entre Metepec y Tenango de Doria, entre 1 6 y 

 3 1 .5 km al NNE de Tulancingo, 1 8 km N.NE. 

 de Metepec, 29 Mar 1974, S. D. Koch 7423 

 (Holotype US 2754863 (photos MEXU, 

 PTBG); Isotypes CHAPA, ENCB, MEXU). 

 —Hedyotis sharpii (Terrell) G. L. Nesom 



Houstonia teretifolia Terrell, Brittonia 31: 166. 

 1979. Type: MEXICO: Coahuila, 12 km NNE 

 of Las Margaritas on easternmost ridge of 

 Sierra de las Margaritas, 1300-1400 m, 24 

 Sep 1972, M. C. Johnston, F. Chiang & T. 

 Wendt 9508E (Holotype TEX, n.v.). 

 —Hedyotis teretifolia (Terrell) G. L. Nesom 



Houstonia triflora (Kunth) A. Gray, Proc. Amer. 

 Acad. Arts 4: 314. 1860. Bouvardia triflora 

 Kunth in Humb., Bonpl. & Kunth, Nov. Gen. 

 Sp. 3: 386. 1820. Type: MEXICO: Without 

 precise locality, Humboldt & Bonpland s.n. 

 (Holotype P-Bonpland, n.v. (photo MO)). 

 iflora (Cav.) Schult. & 



Houstonia umbratilis B. L. Rob., Proc. Amer. 

 Acad. Arts 45: 401. 1910. Type: MEXICO: 

 Nuevo Leon, shaded cliffs of mountains, near 

 Monterrey, 25 Apr 1906, C. G. Pringle 13877 

 (Holotype GH, n.v.; Isotypes MO (photos 

 MEXU, PTBG), US (photos MEXU, PTBG)). 

 —Hedyotis umbratilis (B. L. Rob.) W. H. 



Houstonia wrightii A. Gray, Proc. Amer. Acad. 

 Arts 17: 202. 1882. Type: MEXICO: Nuevo 



