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The saguaro is a columnar cactus that grows notable branches, usually referred to as arms.Over 50 arms may grow on one plant, with one specimen having 78 arms. [6] Saguaros grow from 3–16 m (10–52 ft) tall, and up to 75 cm (30 in) in diameter.
Photographer's choice (America project).; Forms part of: Carol M. Highsmith's America Project in the Carol M. Highsmith Archive.; The saguaro, is a large, tree-sized cactus species native to the Sonoran Desert in Arizona, the Mexican state of Sonora, and an extremely small area of California. The saguaro blossom is the state flower of Arizona.;
The nocturnal funnel-shaped white flowers can grow up to 15–20 cm (5.9–7.9 in) long and 13–15 cm (5.1–5.9 in) wide. Pericarp and flower tube with dense white or brown axillary hairs. The round or oblong blue fruits are about 1.3 cm (0.51 in) in diameter and contain black to brown, oval seeds approximately 0.76 mm (0.030 in) long. [3]
Saguaro cactus blossom: Carnegiea gigantea: 1931 [5] Arkansas: Apple blossom: Malus: 1901 [6] California: California poppy: Eschscholzia californica: 1903 [7] Colorado: Colorado blue columbine: Aquilegia coerulea: 1899 [8] Connecticut: Mountain laurel (state flower) Kalmia latifolia: 1907 [9] Michaela Petit's Four-O’Clocks (children's state ...
Some species can grow to be over 15 m (50 ft) tall, like the saguaro (Carnegiea gigantea) [2] and Cephalocereus macrocephalus (syn. Neobuxbaumia macrocephala). [3] Their stems are ribbed and columnar, not divided into segments. Most have flowers that open at night. [1]
The cactus family, the Cactaceae, evolved 30–40 million years ago in the Americas, [3] originally completely separately from Africa, Europe, and Asia, although, probably within the last few million years, some species of Rhipsalis appear to have been carried to parts of Asia and Africa, [4] most likely by birds.
Saguaro National Park is a national park of the United States in southeastern Arizona. The 92,000-acre (37,000 ha) park consists of two separate areas—the Tucson Mountain District (TMD), about 10 miles (16 km) west of Tucson , and the Rincon Mountain District (RMD), about 10 miles (16 km) east of the city.
The desert contains a variety of unique endemic plants and animals, notably, the saguaro (Carnegiea gigantea) and organ pipe cactus (Stenocereus thurberi). The Sonoran Desert is clearly distinct from nearby deserts (e.g., the Great Basin , Mojave , and Chihuahuan deserts ) because it provides subtropical warmth in winter and two seasons of ...