Ephedra pedunculata

Ephedra pedunculata, common name vine Mormon tea or Comida de Vívora, is a plant species native to southern Texas and to Mexico as far south as Zacatecas. It grows in sandy or rocky slopes and outcrops.
Most species of Ephedra are shrubs, but Ephedra pedunculata is a trailing or clambering woody vine up to long. Bark is gray, becoming cracked with age. Leaves are opposite, up to long. Microsporangial are 1–2 mm long, compared to less than 1 mm in many other species. Seed cones are long, each containing 2 ellipsoid seeds long.
This plant is also rich in flavonoids, which is used in a variety of nutraceutical, pharmaceutical and cosmetic applications.