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Cactus glochids easily detach from the plant and lodge in the skin, causing irritation upon contact. The tufts of glochids in the areoles nearly cover the stem surfaces of some cactus species, each tuft containing hundreds of glochids; this may be in addition to, or instead of, the larger, more conspicuous cactus spines , which do not readily ...
Cactodera cacti, also known as the cactus cyst nematode or cactus cyst eelworm, is a plant pathogenic nematode. It is a pest of plants in the families Cactaceae , Apiaceae , and Euphorbiaceae . History
It has tree-shaped columnar trunks that grow slowly to 12 feet (3.7 m) and may reach 20 feet (6.1 m) in height, rarely branching. Stems are 3 to 4 inches (7.6 to 10.2 centimetres) in diameter, with ribs 4 to 7 in (10 to 18 cm).
A cactus (pl.: cacti, cactuses, or less commonly, cactus) [3] is a member of the plant family Cactaceae (/ k æ k ˈ t eɪ s i. iː,-ˌ aɪ /), [a] a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. [4]
Zygocactus virus X is a little-understood plant virus which was first reported in a Thanksgiving Cactus (S. truncata) from Missoula, Montana, United States. [1] Transmission takes place through mechanical inoculation.
Tephrocactus articulatus is a species of cactus in the subfamily Opuntioideae of the plant family Cactaceae. They usually grow branches up to one foot tall with white flowers. Its most notable feature are its needles or spines which, if present, are flat and resemble parchment. [2] Propagation is usually through cuttings.
Armatocereus (from Latin armatus, "armed" and cereus, "pliant/soft") is a genus of mostly tree-like cacti from South America (Ecuador and Peru).These species have a conspicuous constriction at the end of the annual growth.
In 1982, a man was killed after damaging a saguaro. David Grundman was shooting and poking at a saguaro cactus in an effort to make it fall. An arm of the cactus, weighing 230 kg (500 lb), fell onto him, crushing him and his car. The trunk of the cactus then also fell on him. [55] [59] The Austin Lounge Lizards wrote the song "Saguaro" about ...