Mammillaria winterae Boed.

국표에 없다.

Origin and Habitat: Nuevo Leon and Coahuila, Mexico.
Altitude: (930-)1140-2500 metres above sea level.
Habitat: Grows mainly in the bushes in rocky habitats in the Sierra Madre Oriental. Near Monterrey it grows on low hills, with lots of limestone in the soil and subsoil rocks.

Synonyms:

• Mammillaria winterae Boed.

Description: Mammillaria winteraeSN|11888]]SN|11888]] is a spherical cactus species that grows flatted to the ground with a solitary body attaining a large size (up to 30 cm in diameter) and is one of the largest Mammillaria. It is a very distinctive plant with large, angled tubercles decorated by rings of pale greenish-yellow blooms.
Habit: Plants usually solitary, sometimes forming clumps.
Stems: Hemispherical to depressed globose, light green to blue green, 20-30 cm in diameter.
Sap: With latex.
Tubercles: Large, four-angled, keeled, with latex. The axils that are at first naked, but later develop dense white wool, but without bristles. Parastichy number 8-13.
Radial spine: Absent.
Central spine: 4 in a cross formation, whitish, pale grey or slightly reddish, with brown tips, stout, needle-like, straight or slightly curved, the longest, up to 30(-45) mm, are the upper and lower, the two side ones only to half that length.
Flower: Quite large, yellowish white or greenish yellow in colour, up to 3 cm long and almost as wide. Inner perianth segments yellowish-white or greenish-white with sulphur yellow midveins, outer perianth segments brownish red with broad yellowish white margins,
Fruit: Club shaped, pale red.
Seed: Brown.
Chromosome number: 2n = 22.

 

 

How To Grow Mammillaria winterae | EarthOne