Bolivia (Tarija), Argentina (Buenos Aires, Corrientes, Entre Rios, Jujuy,
Mendoza, Misiones, Salta), S-Brazil (Rio Grande do Sul), Paraguay (Alto
Paraguay, Central), Uruguay (Canelones, Cerro Largo, Florida Prov., Montevideo,
Rio Negro, Salto, Soriano), Peru (I), Costa Rica, Taiwan (I), trop. Africa (I),
India (I), Pakistan (I)
as per Catalogue of Life;




Bignoniaceae Week: Bignonia callistegioides from California:  Bignonia callistegioides Cham., Linnaea 7:712. 1833

Syn: Clytostoma callistegioides (Cham.) Bureau ex Griseb.; Cuspidaria callistegioides (Cham.) DC.
Common names: Argentine trumpetvine, love-charm
Evergreen climbing shrub with opposite leaves, each with two 5-10 cm long elliptic-oblong, glabrous and lustrous undulate leaflets and simple tendril; flowers lavender, streaked, 6-8 cm long; calyx lobes long pointed; corolla lobes spreading, oval and wavy; pod 7-12 cm long, prickly.
Photographed from Sunnyvale, California.