» Mexican and Central American Rubiaceae 



Deppea tenuiflora Benth., PI. Hartw. 349. 

 1857. Type: MEXICO: Chiapas, San Bartolo, 

 Feb 1840, Linden 1644 (Holotype K; Isotype 

 LE, n.v., fragment F). 



Deppea umbellata HemsL, Diagn. PI. Nov. 

 Mexic. 31. 1879. Type: MEXICO: Veracruz, 

 region de Orizaba a Izhuatlancillo, 15 Mai 

 1866, E. Bourgeau 2428 (Lectotype P (photos 

 MEXU, PTBG); Isolectotypes F, K (photo 

 PTBG), P, 3 sheets (photos MEXU, PTBG), 

 US, 2 sheets; designated by Lorence & 

 Dwyer, 1988). 



Didymaea Hook. f. in Benth. & Hook, f, Gen. 

 PI. 2(1): 150. 1873. Type: Didymaea 

 mexicana Hook. f. 



Didymaea alsinoides (Schltdl. & Cham.) 

 Standi, Publ. Field Mus. Nat. Hist., Bot. Ser. 

 18: 1291. 1938. Nertera alsinoides Schltdl. & 

 Cham., Linnaea6:413. 1831. Type: 

 MEXICO: Cuesta Grande de Jalacingo, 

 Schiede & Deppe 1271 (Holotype presumably 

 HAL, n.v.). 



Didymaea alsinoides (Schltdl. & Cham.) Standi, 

 var. australis Standi., Publ. Field Mus. Nat. 

 Hist., Bot. Ser. 18: 1292. 1938. Type: COSTA 

 RICA: Charpinteira [La Carpintiera], 1700 m, 

 Nov 1908, A. Brade & A. C. Brade 2143 

 (Holotype F 838717 (photo PTBG)). 

 —Didymaea alsinoides (Schltdl. & Cham.) 

 Standi. 



Didymaea alsinoides (Schltdl. & Cham.) Standi, 

 var. mollis Standi, Publ. Field Mus. Nat. 

 Hist., Bot. Ser. 18: 1292. 1938. Type: COSTA 

 RICA: San Jose, Cerro de Las Vueltas, 

 2700-3000 m, 29 Dec 1925-1 Jan 1926, P. C. 

 Standley & J. Valerio 43949 (Holotype US 

 1253422 (photos MEXU, PTBG); Isotype F 

 (photo PTBG)).— Didymaea alsinoides 

 (Schltdl. & Cham.) Standi. 



Didymaea australis (Standi.) L. O. Williams, 

 Fieldiana: Bot. 24(11): 61. 1975. Didymaea 

 alsinoides (Schltdl. & Cham.) Standi, var. 

 australis Standi, Publ. Field Mus. Nat. Hist., 

 Bot. Ser. 18: 1292. Type: COSTA RICA: 

 Charpinteira [La Carpintiera], 1700 m, Nov 

 1908, A. Brade & A. C. Brade 2143 (Holotype 



F 838717 (photo PTBG)). 1938.— Didymaea 

 alsinoides (Schltdl & Cham.) Standi. 



Didymaea floribunda Rzed., Bol Soc. Bot. 

 Mexico 44: 12, fig. 1. 1983. Type: MEXICO: 

 Distr. Federal, Del. Villa A. Obregon, Limbo, 

 2700 m, 4 Aug 1979, A. Ventura A. 3479 

 (Holotype ENCB). 



Didymaea hispidula L. O. Williams, Fieldiana: 

 Bot. 24(11): 61. 1975. Type: GUATEMALA: 

 San Marcos, Sierra Madre Mountains about 6 

 km (airline) north of San Marcos, 2700 m, 13 

 Dec 1963, L. O. Williams, A. Molina R. & T. 

 Williams 25896 (Holotype F 1655451 (photo 

 PTBG)) 



Didymaea linearis Standi, Publ. Field 

 Columbian Mus., Bot. Ser. 4: 297. 1929. 

 Type: MEXICO: Jalisco, Real Alto, Pena 

 Gorda, Sierra Madre Occidental, 2500 m, 21 

 Feb 1927, Y. Mexia 1726 (Holotype F 579896 

 (photo PTBG); Isotypes A, n.v., MO (photos 

 MEXU, PTBG), US (photos MO, PTBG; 

 fragment F)). 



Didymaea mexicana Hook. f. in Benth. & 

 Hook, f, Gen. PI 2: 150. 1873. Syntypes: 

 MEXICO: Veracruz, Pico de Orizaba, 10000 

 ft., Bates s.n. (K, n.v.); Orizaba, Linden 1403 

 (K, n.v.), Galeotti 4405 (K, n.v.), Bourgeau 

 3050 (K, n.v.), F. Mueller 1519 (K, n.v.), F. 

 Liebmann Rub. Mexic. 255 (K, n.v.). 



Didymaea microflosculosa L. O. Williams, 

 Fieldiana: Bot. 24(11): 61. 1975. Type: 

 GUATEMALA: San Marcos, near Aldea 

 Fraternidad, between San Rafael Pie de la 

 Cuesta and Palo Gordo, west-facing slopes of 

 the Sierra Madre Mountains, 1800-2400 m, 

 10-18 Dec 1963, L. O. Williams, A. Molina R. 

 & T. Williams 25944 (Holotype F 1655450 

 (photo PTBG)). 



Didymaea microphylla L. O. Williams, 

 Fieldiana: Bot. 24(11): 62. 1975. Type: 

 GUATEMALA: Quezaltenango, narrow ridge 

 of Volcan Santo Tomas, 2500-3700 m, 22 Jan 

 1940, J. A. Steyermark 34790 (Holotype F 

 1038453 (photo PTBG)). 



Didymochlamys Hook, f , Icon. PI pi. 1122. 

 1872. Type: Didymochlamys whitei Hook. f. 



