서봉옥선인장-[정명]Astrophytum capricorne var. aureum Megata

국표에 없다.

Origin and Habitat: Sierra de la Paila (between Viesca and Parras de la Fuente) Coahuila, Mexico
Habitat: it grows in a very arid area near to the habitat of Astrophytum capricorne subsp. senilis ( rain about 200mm/annun and irregular with less than 10 mm in January). The daily and seasonal temperature fluctuation is considerable, and in winter it is not infrequent a night frost followed by a hot temperature the same day.

Common Names include:
JAPANESE (日本語): Oho-gyoku (ja)

Description: Plant with sharp ribs that differs from the type species for the absence of white flocks.
Stem: Globular to short cylindrical with age up to 35-40 cm tall and 15 cm in diameter. The epidermis is green/bluish sometime tinged in purple.
Spines: Up to 20 per areole characteristically golden yellow when young, but as they ages become greyish like in the other capricorne. They similar in shape to those of Astrophytum senilis , bristly, flexible, 5 to 7(-10) cm long and pointing in all directions that often form up spirals, they are so densely nest wrapped that the body is hardly visible and looks like a dry grass bundle. The lateral ones grows horizontally sideways at first and then buckle while the others point +/-upwards. After rain they wet and become very flabby.
Flowers: Diurnal yellow with a red centre (like in the type species).

Astrophytum capricorne var. aureum (llifle.com)

https://youtu.be/1RzxaoGiBQc

 

https://youtu.be/UuD4CLjBKGU?t=917