Gymnocalycium chiquitanum
Cactus (Paris) 78: 95 1963.
Family
Cactaceae
Genus
Species
Gymnocalycium chiquitanum
Author
Cárdenas
Chinese genus
裸萼球属
Chinese name
-
DescriptionEdit description
Habit
It is a perennial stem succulent rising only a few centimetres above ground level, usually solitary in habitat, but plants in the plains grow bigger and sprout more strongly, groups with a dispersion of up to one metre are no rarity.
Central Spines
Usually absent, sometimes one, 1.5-2 cm long greyish with darker brown tip.
Seeds
Light brown 1,0 to 1,2 millimetres large and tubercular (granular testa). The seeds belong to the seed group Microsemineum Schütz.
Description
Gymnocalycium chiquitanumSN|26064]]SN|26064]] Cardenas is a small cactus with spines that wrap against the body of the plant.
Tubercles
5 mm high, 2,5 cm wide at the base.
Flowers
Funnel-shaped growing from the depression at the apex, very pale lilac-pink, sometimes white or salmon with magenta throat, 5-7 cm long and in diameter. Outer perianth segments spatulate to lanceolate, 2 cm long, pink in colour. Inner perianth segments 2,5 cm long, pointed, pinkish-lilac, violet at the base. Ovary spherical, curved, 5 mm in diameter, dark magenta in colour, with 3mm wide Tube up of long, reddish-brown or violet-red, externally with reddish scales with white edges that are up to 5 mm wide. Filaments magenta, 5 mm long; anthers yellow. Style 22 mm long, violet-red; 8 stigma lobes, yellow, 3 mm long.
Ribs
6-7 rounded with prominent chinlike protrusions divided by transverse furrows.
Stem
Depressed-spherical, grey-green to light green, sometimes bronzed in full sun, 2-4 cm or more high, 6-9 cm in diameter.
Radial Spines
spines 5-9, yellowish brown to gray, with dark tips, adpressed, somewhat curved backward, 1-2.5 cm long.
Fruits
Spindle shaped, first bluish in colour, later dark bluish violet or purple, to 2 cm long and about 1 cm across.
Areoles
1-2 cm apart, circular or elliptical, 5 mm long, covered with white to grey felt.