Botanical name: Cylindropuntia arbuscula Family: Cactaceae (Cactus family)
Synonyms: Opuntia arbuscula, Cylindropuntia vivipara
Arizona Pencil Cholla is a tree or shrub growing up to 3 m tall. The stems are 6-11 cm long by 0.5-3 cm wide with 0-2 spines per areole. The spines, which often point downward, are yellow or red-brown, aging black, with yellowish sheaths. The plant has small flowers that can be green to pale reddish-orange. The filaments are dark green to bronze. Style is white and sometimes light orange distally. The stigma is pale green. The fruits are green, fleshy, and mostly spineless. Arizona Pencil Cholla is native to Arizona, Mexico.
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The flower labeled Arizona Pencil Cholla is ...