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The flowers are bright pink in colour with a white coloured throat. The flowers appear at the tips of the shoots, are 6 to 7 centimeters long and reach a diameter of 6 to 9 centimeters. If pollination is successful, Echinocereus rigidissimus forms circular shaped, greenish to dark purplish fruit, with white flesh and dark brown to black seeds ...
The showy flower is a funnel-shaped bloom up to 8–9 cm (3.1–3.5 inches) wide and bright scarlet red to orange-red tepals. A thick nectar chamber and many thready pink stamens are at the center of the corolla. [4] The fruits are spherical to obovate, slightly pink or reddish, and lose their thorns over time. [5] The chromosome count is 2n ...
Red flowers are generally associated with hummingbird pollination, while pink flowers tend to correspond to moth pollination. Their pericarp and floral tubes are studded with thorns, bristles, and sometimes wool. The scar is usually green, but sometimes white in color. The spherical to ovoid fruits are green to red and mostly thorny.
The spines are tan, to brown, black, purplish black, or pink, and the tips are usually darker than the shaft. The central spines tend to be the darkest. There are up to 7 central spines per areole; they are 1 to 6 millimetres (0.039 to 0.236 in) long. [13] Plants flower in early May and late June, and they fruit 6 to 10 weeks after flowering. [13]
Echinocereus arizonicus [3] is a species of cactus native to the Chihuahuan Desert region of Chihuahua, southwestern New Mexico and southeastern Arizona, as well as in the Superstition and Mescal Mountains of Central Arizona at elevations between 1400 and 1900 meters. [4]
This cactus has flowers pink or lavender in April and May. [4] The flowers range from lavender-pink to reddish purple, sometimes white, and are 2 to 4.5 cm (0.79 to 1.77 in) in diameter. The almost spherical, red fruits are 1.2 to 2.5 cm (0.47 to 0.98 in) long and contain black seeds. [5]
Flowers are borne at the upper half to one third of the stem and are funnelform in shape, up to 3.5 inches (8.9 centimetres) long with dark-green stigmas. The fruit is spiny. At first the fruit is green, becoming pink and drying when ripe. Ripe fruits have spines that are easily detached. Seeds are black and about a tenth of an inch in size.
Arizona—Sonora Desert Museum: Desert Wildflower Blooms — homepage, with focus article links. Arizona—Sonora Desert Museum: The Desert in Bloom; Sonoran Desert Florilegium Program — homepage: botanical illustrations. Desert USA: Desert Wildflower Field Guide — Wildflower pictures sorted by Color