Turbinicarpus gracilis
Cact. Succ. J. (Los Angeles) 48(4): 176. 1976
Family
Cactaceae
Genus
Species
Turbinicarpus gracilis
Author
Glass & R.A.Foster
Chinese genus
姣丽球属
Chinese name
-
DescriptionEdit description
Central Spines
Thin and papyraceous ca. 18-23 mm long, 1 mm wide, grey, erect but flexible and curved;
Seeds
Small, black, finely tuberculate, ca. 1 mm long, 0,5 mm in diameter.
Description
Turbinicarpus schmiedickeanus subs. gracilis much better known under its old name, Turbinicarpus gracilisSN|12696]]SN|12696]] is a small cactus species that typically will grow solitary but may on occasion cluster. It is very similar to Turbinicarpus schmiedickeanus ssp. dickisoniae the closest variety from which differ in type and number of spines.
Tubercles
round. ca. 7 mm long (compared to the 3-5 mm long tubercles of ssp. dickisoniae), ca. 1,8 mm in diameter at tip, 3-5 mm broad at base, slender, nearly terete, somewhat angled, bright greyish green;
Flowers
Slender funnelshaped, 2 cm long, 1,5 cm in diameter; outer perianth segments white with pale greenish brown to narrow greenish or cerise mid-line; inner segments pure white;
Stem
The stem is globular and depressed, up to 30mm high 30-40mm wide grey-green (but in cultivated plants it can be more elongated and wide).
Radial Spines
few short, 2 mm long, white deflexed in lower portion of areole, perpendicular to axis of tubercle; occasionally present also in adult specimens but deciduous.
Fruits
Tan, globose, dehiscent along longitudinal split.