Mamillopsis senilis
Cactaceae (Britton & Rose) 4: 19. 1923 Bois, Dict. Hort. 2: 805. 1898 (nomen provisorium in synon.)
Family
Cactaceae
Genus
Species
Mamillopsis senilis
Author
(Lodd. ex Salm-Dyck) F.A.C.Weber ex Britton & Rose
Chinese genus
-
Chinese name
-
Primary
Accepted
DescriptionEdit description
Central Spines
4-6, white with yellow tips, upper and lower ones hooked.
Seeds
Black.
Description
Mammillaria senilisSN|9677]]SN|9677]] is a very ornamental cactus species that looks like a cotton ball with small but deadly sharp, glistening hooked white spines and many white radials. The large red flowers are very showy too.Habit. Branching basally to form clumps.
Flowers
Usually orange-red, but also yellow or near white to pink (rare), 60 - 70 mm long, 55-60 mm in diameter. Floral tubes slender, scaly, to 4 cm long.
Blooming Season
February and March.
Stem
Globose to cylindrical, up to 15 cm tall and 10 cm wide. The tubercles are conical, obtuse with wool and bristles in the axil. Without latex.
Radial Spines
30-40, thinner than the centrals, white, to 20 mm long.
Fruits
Silvery red to greenish white.