(Acleisanthes diffusa)
Acleisanthes parvifolia, common names littleleaf moonpod and Big Bend trumpets, is a plant species native to northeastern Chihuahua and western Texas. 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.