Opuntia crassa Haworth 1819

Plants shrubby to small treelike with some branching, 1-2 m (3.3-6.6 ft) high. Stem segments obovate to oblong, wide, gray-green to blue-green, often glaucous, to 23 cm (9.1 in) long and 18 cm (7.1 in) wide. Areoles small, with dark gray felt. Glochids small, yellowish to brownish. Spines 1-2, needle-like, fine, yellowish to darker, to 2.5 cm (1 in) long. Flowers yellowish green, to 6 cm (2.4 in) long. Distribution: Mexico. Opuntia crassa has been widely cultivated throughout tropical America. D. B. Gold may have collected it in the wild in Canada de Contreras, Federal District.

Continue reading here: Opuntia crystalenia Griffiths 1916

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