Echinocereus blanckii

Echinocereus blanckii is a species of Echinocereus. It's type locality is near Camargo, state of Tamaulipas, Mexico.

Background
Procumbent; joints slender, 3 to 15 cm. long, 2 to 2.5 cm. in diameter; ribs 5 to 7, strongly tuberculed or when turgid scarcely tubercled; areoles 1 to 1.5 cm. apart; radial spines 6 to 8, 8 to 10 mm. long; central spine solitary, 10 to 50 mm. long, brownish to black; flowers purple, 5 to 8 cm. long; parianth-segments narrow, oblanceolate, acute. Distributed in Northeastern Mexico and southern Texas.