Acleisanthes parvifolia, common names littleleaf moonpod and Big Bend trumpets, is a plant species native to northeastern Chihuahua, Mexico, and western Texas, United States. In Texas, is known from only 4 counties: Culberson, Hudspeth, Brewster and Presidio. Some of the populations are situated inside Big Bend National Park, others within Guadalupe Mountains National Park.CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.Biota of North America, Floristic Synthesis, Acleisanthes parvifolia

Acleisanthes parvifolia is a perennial herb up to 60 cm tall, sometimes a bit woody at the base. Leaves are yellow-green, up to 25 mm long. Flowers are usually solitary, yellow-green, up to 6 cm long. Fruits are up to 10 mm long, hairy.Flora of North America, v4 p 37.Levin, Rachel A. 2002. Novon. 12: 62. 2002 .Emory, William Hemsley. 1859. Report on the United States and Mexican Boundary Botany 2(1): 168. . Standley, Paul Carpenter. 1909. Contributions from the United States National Herbarium 12(8): 388.

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