Mammillaria dioica f. phitauiana
Succulenta (Netherlands) 65(5): 119 (1986) Basionym not stated. (Baxter)
Family
Cactaceae
Genus
Species
Mammillaria dioica f. phitauiana
Author
(E.M.Baxter) Neutel.
Chinese genus
乳突球属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Central Spines
4(-6), straight or with one of them hooked, white with brownish tips, to 12 mm long.
Seeds
Black, 0,8 - 0,9 mm long and 0,6 mm wide
Description
Mammillaria phitauianaSN|9328]]SN|9328]] is a small cactus solitary at first, later forming clusters from basal branches.
Tubercles
Quadrangular sub-conical, 7 mm long and 6 mm in diameter, keeled. Axil with some short white wool and silky bristles.
Flowers
White, yellowish white or cream with pale pink to brown small midstripes, 20-25 mm long and 15-18 mm in diameter. Often failing to open completely.
Blooming Season
From May to June.
Stem
Short-cylindric to culumnar, pale-green 25-30 cm high and 4-5 cm in diameter. Without latex.
Radial Spines
18-24 (usually 20), yellowish white, bristle-like, radiating, 4-12 mm long, lower one the longest.
Fruits
Club-shaped, red, 15 - 30 mm long, 6 - 10 mm in diameter.