radial spines

Listing 1 - 10 from 22 for radial spines

Echinocereus leucantus
... : Mexico: Sonora, Guaymas,‑ Sinaloa, Los Mochis: ‑ elevation 50 m above sea level. Description: Basally branching 5-7 mm in diameter with 8 superficial ribs, distance between areoles 3-5 mm ; 9-18 small thin yellowish or white radial spines 1-1,5 mm long, 2-5 centrals 1-1,5 mm long. Each plant forms 4-8 roundish apical tubers at the main ...
cactus-art.biz

PlanetaCactus: Browningia hertlingiana
... . With age they become tuberous, with a depression in shape of wedge around tubercles. The areolas of the young buds, have 4 radial spines and between 1 and 3 long ones, that can reach 8 cm. In the older parts of the plant, the number of spines is up to 30. They are yellow colored or with the superior part of brown color and the base yellow. The flowers have ...
english.planetacactus.com

PlanetaCactus: Carnegiea gigantea | Saguaro
... can be more than 8. There are between 12 and 24 obtuse ribs. The areolas are brown, and they are separated to each other about 2 cm. In the upper part the distance is smaller and it is covered by brown felt. Radial spines can be 12 or more, and centrals between 3 and 6 and up to 7 cm. long. They are brown colored and they become gray as ...
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Opuntia imbricata, tree cholla
... segments dark green, cylindrical, to 35 cm (14 in) long and 3 cm (1.2 in) thick, with prominent tubercles. Spines red to pink, barbed. Central 1-8 spines about 3 cm (1.2 in) long, loosely held by a tan sheath. Radial spines tightly sheathed, about 1 cm (0.4 in) long. Glochids about 1 mm (0.04 in) long. Flowers pink to purple, to 5 cm (2 ...
www.biosurvey.ou.edu

CactusMuseum.com Collection - Cactus Photos and Plant Roster
... - tuberculated; tubercles having furrows. 1 hooked central spine (yellowish with red tip), 7 to 10 radial spines (light colored). Ancistrocactus uncinatus (Cat Claw Cactus) The plant's central spine, which is shaped ... was grown from seed. Cephalocereus senilis (Old Man Cactus) The long white hairs are actually long spines that benefit the plant by reducing sun exposure and by trapping a layer of air ...
www.cactusmuseum.com

CactusMuseum.com Photos (Ancistrocactus mathssonii - Chihuahuan Fishhook)
... period. Min Temperature: 32F. Pot Size: 3 Blooms: Reddish-Brown Comments: Globular to cylindrical plant. 13 ribs - tuberculated; tubercles having furrows. 1 hooked central spine (yellowish with red tip), 7 to 10 radial spines (light colored). Return to Previous Page Questions or Comments? Reach us by email or post a message to our forum. [ Home ] [ Forum ] [ Collection ] [ Store ] [ Info ] [ ...
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Cactus Wallpaper Page 35_2 Cereus Peruvianus "Queen of the Night" Flower Openting 1024x 768
... (4.5 m), stems are 5-7 inches in diameter (12-17 cm), often no spines on younger stems, spines grow progressively as the stem ages. Watering Needs: Does best with moderate water and monthly ... 1-inch apart. Depending on the variety, the areoles are either almost spineless (C. hildmannianus) or with 7 radial spines and a central spine, measuring around 0.4 inch long (1 cm). Blooming Habits: The 6- ...
www.cactusweb.us

Ferocactus Acanthodes (Red Barrel)
... curved but not hooked, 3 to 4.5 inches long (7.5-11 cm); 6 to 12 white spreading radial spines, 0.8 to 1.6 inches (2-4 cm). Watering Needs: Little water in a moderately rich, well ... with interesting twisted spines that form a loose corkscrew. Then there are those that are so densely covered in spines that you barely see the green skin, and others where the skin is perfectly well visible. Ones from ...
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Columnar Cacti - Espotoa - first description
... developing a pseudocephalium similar to that of some species of Cephalocereus; areoles strongly armed with spines, and bearing long white hairs; flowers small, short-campanulate, nearly hidden by the surrounding wool, ... , low, 5 to 8 mm. high, rounded; areoles rather large, 5 to 6 mm. apart; radial spines numerous, acicular, 4 to 7 mm. long, brownish, intermixed with long white hairs; central spine ...
www.columnar-cacti.org

Areoles, Spines and Ribs - Cactus and Succulent Society of New Zealand (CSSNZ) Inc.
... the spines may be different e.g.. a strong central spine surrounded by radial spines, or multi-coloured like a rainbow (Echinocereus is an example). The spine is probably a reduction of the leaf stalk ... air at night, or in fog patches, channelling it down the stem to the roots. White dense spines and hair/wool covering a cactus protect it from the high intensity (UV) light. Opuntias have special ...
www.cssnz.org