Echinocereus viridiflorus

Echinocereus viridiflorus is a species of Echinocereus.

Background
Plants small, nearly globular, but sometimes cylindric and 20 cm. high, simple, or more or less cespitose; ribs 14, low; areoles elongated; spines white, dark brown or variegated, usually arranged in circular bands of light and dark about the plant; radial spines about 16, appressed; centrals, when present, 2 or 3, arranged in a perpendicular row, often elongated and then 2 cm. long; flowers greenish, 2 to 2.5 cm. long; perianth-segments obtuse; fruit 10 to 12 mm. long; seeds 1 to 1.2 mm. long.

Varieties/Subspecies
E. v. chloranthus Texas and New Mexico.

E. v. correllii Texas (Correll's hedgehog cactus)

E. v. cylindricus Texas and New Mexico (nylon hedgehog cactus)

E. v. russanthus

E. v. viridiflorus Mid-United States (nylon hedgehog cactus)