Copiapoa cinerascens Britton & Rose

국표에 없다.

Origin and Habitat: Pan de Azucar National Park on the edge of the Atacama region (south of Barquito, Atacama, north to Taltal, Antofagasta), Northern Chile.
Habitat: Copiapoa cinerascensSN|1420]]SN|1420]] grows in arid coastal plain and low hills amid a cacti rich vegetation on sandy mineral soil covered by ochre stones. It is found below the fog bank, that intercept rainwater runoff from the slopes above. Here occur such plants as tall branched Eulychnia brevifloraSN|7528]]SN|7528]], Argylia radiata, and Skytanthus acutus. In seasons of good rainfall the desert is covered in a rich display of colourful annuals and geophytes. Cinerascens forms large clumps remarkably similar to those of Copipoa serpentisulcata which grow alongside the same beach but the two do not give rise to hybrids.

Synonyms:

• Copiapoa cinerascens Britton & Rose

Common Names include:
SPANISH (Español): Erizo Gris

Description: Copiapoa cinerascensSN|1420]]SN|1420]] is one of the most admired species of Copiapoa that forms dense cushions, with many heads covered with greyish wax.
Habit: Slow to cluster, may for many years be a single stem.
Root: Large swollen tap-root connected to the stem-base by a narrow neck.
Stem: Depressed-spherical 8-15 cm in diameter, light grey-green to ash-grey and with grey wool at the apex. The grey coloration is a waxy coating presumably produced to prevent desiccation in it's extremely dry environment. In cultivation the waxy bloom is often not produced, revealing a green epidermis.
Ribs: 15-20 or more , obtuse, with broad low tubercles above the areoles.
Areoles: Crowded, the adjoining ones usually touching, round, 5-8 mm in diameter and, 3-7 mm apart. Young areoles filled with soft grey or black felted wool.
Central spines: 1-4 (usually 2), 1-2 cm long, subulate stout, straight or slightly curved, dark coloured, becoming grey or whitish.
Radial spines: 7-9, 5-15 mm, stoutly needle-like, straight, spreading, interlacing, and never all adpressed, lower ones longest.
Flowers: Diurnal closing at night, protracting the period of opening many days, somewhat fragrant, funnel-shaped, opening widely, yellow, 2,7-5,5 cm long.
Fruit: 1-1,5 cm in diameter, reddish or greenish,
Blooming season: Summer, it needs a lot of sunlight to bloom, so it's pretty rare to have blossoms when in cultivation in greenhouses. It is not unusual for this Copiapoa to take 10 or more years before it starts blooming, but once it does, it should every year.
Seeds: 1,2 x 11 x 8 mm.

Copiapoa cinerascens (llifle.com)

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