Thelocactus macdowellii
Cact. Succ. J. Gr. Brit. 9: 28. 1947 as MacDowellii Remarks: Glass (Cact. Suc. Mex. 14: 4, 22. 1969; as "mcdowellii") and Kladiwa & Fittkau [Kakteen (H. Ktainz) 61: CVIIIb. 1975] also made this comb. nov.
Family
Cactaceae
Genus
Species
Thelocactus macdowellii
Author
(Rebut ex Quehl) W.T.Marshall
Chinese genus
瘤玉属
Chinese name
-
DescriptionEdit description
Central Spines
2-4 white or light yellow.
Description
Solitary cactus that can in time grow several heads.
Flowers
Funnel-shaped, pink (or magenta) with a yellow centre and about 6 cm wide Not self-fertile.
Blooming Season
Usually flowers only once in mid to late winter (or early spring) but sometimes it can do a 2nd round like it happens with all seasonal bloomers once in a while.
Ribs
Indistinct divided in conical tubercles.
Stem
Light green, up to 10 cm tall and 10 cm wide.
Radial Spines
Glassy white acicular, usually between 15 and 25.
Fruits
Green and shiny. Hairless and spineless.
Areoles
White