Mammillaria viescensis
Mitt. Arbeitskreises Mammillaria 13: 152. 1989 cf. Repert. Pl. Succ. (I.O.S.) 40: 5 (1989 publ. 1990) Distribution: Locality not stated.
Family
Cactaceae
Genus
Species
Mammillaria viescensis
Author
Rogoz. & Appenz.
Chinese genus
乳突球属
Chinese name
-
Accepted
DescriptionEdit description
Habit
Solitary, occasionally clustering.
Central Spines
1 to 3, sometimes 4, flexible, mostly hooked, stronger than the radials, glassy white with reddish brown tips, 10 to 12 mm long.
Seeds
Black, globular, 1mm in diameter.
Description
Mammillaria viescensisSN|25133]]SN|9183]] is a tiny controversial species with slender hooked central spines from Coahuila, now considered by Glass and Fitz-Maurice a local form of Mammillaria gasserianaSN|9183]]SN|9179]] with thinner central spines.First description by Rogozinski Appenzeller, Mitteilungsblatt des AfM 13(4): 152 - 160. 1989.
Roots
Whitish pink, fleshy.
Flowering Period
Spring.
Tubercles
Cylindrical, dull green, 6 mm long and 2,5 mm in diameter. Axil naked.
Flowers
Funnelform, 14 mm long and 10 mm in diameter, whitish to pink with reddish brown midstripes.
Stem
Flattened globose, 1-2 cm tall and 3 cm across. Without latex.
Radial Spines
55 to 70, mostly 60, glassy white, yellowish brown at base, flexible, bristle like, radiating, flattened against the stem surface, 5 mm long.
Fruits
Red, cylindrical, 14 to 20 mm long, 2 to 3 mm in diameter, ripens 4 months after flowering.