© Andrea B.
Endangered
CITES App. II
Primary
Accepted
Mammillaria compressa
Mém. Mus. Hist. Nat. xvii. (1828) 112.
DescriptionEdit description
Central Spines
Usually absent.
Seeds
Brown.
Description
Globular cactus, solitary at first, later forming massive clumps to 1 m wide.
Flowers
Bell shaped, purplish pink to deep red, 1-1,5 cm in diameter.
Blooming Season
Winter, early spring.
Stem
Club shaped to cylindrical, bluish grey-green, up to 10 cm in diameter, up to 25 cm tall. With latex. Tubercles are prominent, close set, firm, bluntly angled and keeled. The Axil bears white wool and bristles.
Radial Spines
4-6, unequal, chalky white with brownish tips, 20-70 mm long, some very short.
Fruits
Club shaped, red.