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The tree-like saguaro cactus is native only to the Sonoran Desert and can live for 200 years! Its super-slow growth rate (about an inch per year for the first eight years of its life) keeps it ...
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.
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]
Seed sown early in the year produces seedlings that benefit from a longer growing period. [112] Seed is sown in a moist growing medium and then kept in a covered environment, until 7–10 days after germination, to avoid drying out. [113] A very wet growing medium can cause both seeds and seedlings to rot. [114]
Many of the saguaro cactuses have one or two horizontal arms that bend and then grow vertically to create the classic captured-bandit pose. Many of the saguaro cactuses have one or two horizontal ...
The prickly mysterious giant grows in the desolate Sonoran desert covering southern Arizona and northern Mexico, but it might be in jeopardy. Daniel Winkler, research ecologist with the United ...