봉두선인장-[정명] Gymnocalycium asterium A.Cast.

Origin and Habitat: Argentina (Cordoba, Catamarca)

Synonyms:

• Gymnocalycium stellatum (Speg.) Speg.

See all synonyms of Gymnocalycium stellatum

 

Description: Gymnocalycium stellatumSN|11493]]SN|11493]] (syn: G. asterium) is a beautiful slowly growing plant with a noticeably flatten body, at first solitary, later clustering. This species is characterized by some variability in the length and has received many names.
Stem: Dark greyish-brown to olive coloured epidermis, flattened globose, 7.5-10 cm in diameter. Will offset after a considerable period of time.
Ribs: 7-11, flat rounded, without prominent chin-like protrusions.
Spines: 3-5 dark brown, becoming grey with age, spider-like, add-pressed, short, straight to slightly curved and flattened against the stem (rarely sticking out - easy cactus to handle)
Flowers: Creamy-white with a dull red throat, up to 6,5 cm. long, 4,5 cm. diameter.
Fruits: Cylindrical.
Blooming season: Flowers are produced in late spring and remain open for up to twelve days.

 

Gymnocalycium asterium (llifle.com)