STANDLEY TEEES AND SHRUBS OF MEXICO 1315 



Large vine; leaflets oblong to broadly ovate, 5 to 16 cm. long, acute or acumi- 

 nate, usually obtuse or rounded at base, coriaceous, often very lustrous and with 

 prominent reticulate venation, glabrous or sometimes sparsely hirtellous beneath; 

 calyx 6 to 8 mm. long; corolla pink or pale purple, lepidote outside; fruit 25 ta 

 40 cm. long or larger, 1.5 to 2 cm. wide, often with a dorsal ridge on each sid0« 

 "CeboUIn" (Michoacdn, Guerrero); "chacanicab" (Yucatdn, Maya); "bejuco 

 tres-lomos" (Tabasco); "bejuco bianco," "liana de la sierra" (Porto Rico); 

 "cuamecate bianco" (Nayarit); "cuero de vaca" (Sinaloa); "ajillo," "bejuco 

 de ajo," "bejuco perdedor" (El Salvador). 



The material referred here is variable and perhaps susceptible of division into 

 two or more species. When crushed, the vine exhales a strong odor of garlic. 

 2. Cydista diversifolia (H. B. K.) Miers, Proc. Hort. Soc. Lond. 3: 192. 1863. 



Bignonialdiversifolia H. B. K. Nov. Gen. & Sp. 3: 133. 1818. 



Michoacdn to Chiapas and Yucatdn; type from Campeche. 



Slender vine; leaflets broadly ovate to oblong-elliptic, 4 to 9 cm. long, acumi- 

 nate, obtuse to cordate at base, glabrous; calyx 4 to 5 mm. long; corolla purple, 

 finely lepidote. "Chacxnetoloc," "xcolak" (Yucatan, Maya). 



3. AMPHILOPHIUM Kunth, Journ. de Phys. 87: 451. 1818. 

 Scandent shrubs; leaves opposite, 3-foliolate or the terminal leaflet absent or 



replaced by a tendril, the leaflets entire; flowers large, purple, in a terminal 

 panicle; calyxfcampanulate, the limb ampliate, sinuate, bearing 2 or 3 lobelike 

 appendages within, -^corolla tube cylindric, the limb longer than the tube, bilabiate, 

 the posterior|lip shallowly bilobate, the anterior one 3-lobate; stamens 4; capsule 

 oblong-elliptic, thick, compressed, smooth or nearly so; seeds broadly winged. 



Leaflets finely stellate-pubescent beneath 1. A. moUe. 



Leaflets merely lepidote beneath, or often barbate along the costa. 



2. A. paniculatum, 



1. Amphilophium molle Schlecht. & Cham. Linnaea 5: 120. 1830. 



Tamaulipas and Veracruz; reported from Hidalgo. Central America. 



Leaves long-petiolate, the leaflets long-petiolulate, broadly ovate or rounded- 

 ovate, 6 to 10 cm. long, short-acuminate, usually cordate at base, stellate- 

 pubescent or glabrate above; calyx about 1 cm. long; corolla 3 to 4 cm. long. 

 "Cuchara de pico," "pico de pato," "cuchara de pato," "cucharillo" (El Sal- 

 vador) . 



Doubtfully distinct from A. paniculatum. 



2. Amphilophium paniculatum (L.) H. B. K. Nov. Gen. & Sp. 3: 149. 1818. 

 Bignonia paniculafa L. Sp. PL 623. 1753. 



Sinaloa to Guerrero; reported from Tabasco. Porto Rico and the Lesser 

 Antilles; Guatemala to Peru and the Guianas. 



Leaflets rounded-ovate, 4.5 to 10 cm. long, abruptly short-acuminate, cordate 

 at base, minutely lepidote on both surfaces; corolla 3 to 4 cm. long; fruit 8 to 10 

 cm. long, 4 cm. wide, obtuse or acute at apex. "Pico de pato" (Tabasco, 

 Rovirosa; Nicaragua); "liana de cuello" (Porto Rico). 



4. PITHECOCTENIUM Mart.; DC. Prodr. 9: 193. 1845. 



1. Pithecoctenium echinatum (Jacq.) Schum. in Engl. & Prantl, Pflanzenfam. 

 43b: 218. 1S94. 



Bignonia echinata Jacq. Enum. PL Carib. 25. 1760. 



Pithecoctenium muricaium Moc; DC. Prodr. 9: 194. 1845. 



Pithecoctenium hexagonum DC. Prodr. 9: 195. 1845. 



Sinaloa to Tamaulipas, Yucatan, and Oaxaca. Guatemala to Peru and 

 Brazil; type from Cartagena, Colombia. 



