Gymnocalycium neumannianum
Cact. Succ. J. (Los Angeles) 29: 11. 1957
Family
Cactaceae
Genus
Species
Gymnocalycium neumannianum
Author
(Backeb.) Hutchison
Chinese genus
裸萼球属
Chinese name
-
Primary
Accepted
DescriptionEdit description
Central Spines
1(-3), straight, pointing upward, to 3 cm long.
Seeds
1,5 x 1 mm dark brown to black.
Description
Rebutia neumannianaSN|18214]]SN|18214]] best known as Weingartia neumannianaSN|18215]]SN|18215]] is the smaller and slower growing “Weingartia”, sometimes considered as a difficult to grow plant, but relatively easy and doesn’t mind a cold winter.Habit. Plants solitary or sprouting from the roots with age. The small juvenile shoots that sprout around the mother plant from the roots are hidden most of the year by dust or leaves that cover them, and they do not have spines.
Roots
It ha a swollen, often branched, tap-root.
Flowers
Yellow to reddish orange, often with caramel streaks, bell-shaped, apical, almost central, up to 2,5 cm long and in diameter.
Spines
Rigid, as long as the diameter of the plants, needle-like, yellowish, brownish or reddish black , often becoming black. Small stems spineless. Pericarpel and tube with scales but no hair or bristles (Like in the genus Gymnocalycium).
Ribs
6 to 10 (or up to 14 in culture), clearly divided into low, round-topped, indistinctly six-sided tubercles.
Stem
Almost spherical, grey-green with velvety appearance, green in culture, constricted at at neck, 3-7 cm high and 1-5 cm in diameter.
Radial Spines
6-8, somewhat shorter, stiff, spreading, to 2 cm long. Staminal throat-circle present.
Fruits
Globose to ovoid, brownish.
Areoles
Round, white about 1 cm apart.