Mammillaria albilanata subs. oaxacana
Mammillaria Postscripts 6: 9 (1997), nom. nov. (Replaced synonym:Cactaceae Mammillaria ignota Repp.)
Family
Cactaceae
Genus
Species
Mammillaria albilanata subs. oaxacana
Author
D.R.Hunt
Chinese genus
乳突球属
Chinese name
-
DescriptionEdit description
Central Spines
1- 4(-6), mostly 4, needle-like, firmer than the radials, ascending,divergent, straight , rigid, non-uncinate, the lowest is the longest, 4-7 mm long, glassy white, white to yellowish with short brown tips.
Description
Mammillaria albilanataSN|15150]]SN|15150]] subs. oaxacana is a usually solitary cactus species, with flat stems. It protects itself from the sun by an extremely dense profusion of white spines and wool so that the epidermis is almost completely concealed.
Taxonomy
Mammillaria albilanataSN|15150]]SN|15150]] subs. oaxacana is a new name proposed by Hunt (1997) which replaces M. ignota Repp. (1987), that is a homonym of another previously published name (M. ignota Lawrence in Loudon, 1841).
Phenology
Flowering between February and May. Fruiting between May and July.
Roots
Fibrous.
Tubercles
Tubercles are spirally arranged, short-conical to conical, firm, 8 - 10 mm long and 4-5 mm in diameter at base. Axil with abundant white wool.
Flowers
Funnel shaped carmine-pink, cherry red to pink, 12-18 mm long, stigmas greenish.
Blooming Season
From early March to June.
Stem
Simple, depressed globose to cylindrical, sunken apically, covered with spines and white wool, 3–7 cm high and 4–10 cm in diameter. With latex.
Radial Spines
20-22 (-27), needle-like, somewhat bristly, glassy white to white, smooth, straight, somewhat radiating, horizontal, 4 mm long.
Fruits
Red, ripens 6-8 months after flowering, 10-20 mm long and 3-4 mm in diameter.