Astrophytum myriostigma cv. multicostatum Tony Sato

국표에 없다.

Origin and Habitat: Cultivated form (hybrid).

Synonyms:

• Astrophytum myriostigma cv. multicostatum Tony Sato

Description: Astrophytum myriostigmaSN|3660]]SN|1845]] multicostatum (With multiple ribs) deviates from the well-known standard A. myriostigma for having six or more ribs instead of five depending on clones. Plants with more than 5 ribs has been found in habitat (even if with a very low frequency), but most of the "multicostatum" found in cultivation are not 100% true Astrophytum myriostigmaSN|1845]]SN|1845]] but hybrid that have inherited the adjunctive ribs from one of the ancestor (Presumably Astrophytum ornatumSN|1845]]SN|3660]]). The flower are also very beautiful.
Stem: Almost spherical, the plants become shortly columnar with age. The stems are smooth and can be over 90 cm tall and 5-10 (-20) cm in diameter.
Spines: None.
Ribs: 6 to 10 (Usually 7 or 8)
Flowers: Arise from the areole at the tip of the stem on mature plant. up to 5 cm wide (or more), pale-yellow, shining-silk, unlike the 5-ribbed plant.
Blooming season: Spring or late summer, They take up to 6 years to bloom.

Astrophytum myriostigma f. multicostatum (llifle.com)

https://youtu.be/gP_uVpx_5AE?t=652