Matucana rebutiiflora

Matucana rebutiiflora is a species of cactus in the subfamily Cactoideae, native to Peru.

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Matucana rebutiiflora displays a spherical shape in a medium-green color, reaching a diameter of up to 7 cm (2.8 in) and forms compact clusters of stems with a substantial taproot. As the plant matures, it develops 9-12 ribs, and their number increases over time. These ribs are segmented into well-defined tubercles, separated by horizontal groove. Areoles are circular with whitish felt and measuring 0.7 cm (0.28 in) in diameter and spaced approximately 1.2 cm (0.47 in) apart. The plant has up to six radial spines, each extending up to 2 cm (0.79 in), accompanied by a central spine reaching 2.5 cm (0.98 in) long. Spines are initially brownish and later fading to white, are mostly straight with a slight curve. The flower of Matucana rebutiiflora measures 8.0 cm (3.1 in) in length, opens to a width of 6.5 cm (2.6 in), and displays a red hue with a hint of violet, featuring a prominent white base on the inside. The fruit, approximately 1.7 x 1.3 cm (0.51 in), starts off green and undergoes a darkening process as it ages.