Mammillaria coahuilensis subs. albiarmata
Mammillaria Postscripts 7: 3 (1998)
Family
Cactaceae
Genus
Species
Mammillaria coahuilensis subs. albiarmata
Author
(Boed.) D.R.Hunt
Chinese genus
乳突球属
Chinese name
-
DescriptionEdit description
Habit
It is a small solitary, geophyte cactus, with a heavy tap root that may exceed the size of the plant above soil level.
Central Spines
Not present.
Seeds
Dark brown, distinctly pitted.
Tubercles
3-angled in cross section. Axils moderately woolly. Without latex.
Flowers
Broadly funnelform, up to 20 mm broad, creamy-white with pinkish midveins
Blooming Season
Late winter to early spring (February/March)
Spines
About 20-25, up to 6 mm long. thin, bristle-like radial spines, slightly pubescent white or creamy white with darker orange-pink tips, becoming yellowish brown.
Stem
Flattened globose, strongly tuberculate basally, blue-green, up to 5 cm high and in diameter.
Fruits
Red clavate.