Xerophyte

Description

Gymnocalycium denudatumSN|7888]]SN|7888]] is a small globular, usually unbranched, cactus with glossy dark-green body and rounded ribs. Gymnocalycium denudatumSN|7888]]SN|7888]] is extremely variable.

Tubercles

Broad and low

Flowers

Large shiny cream white sometime very pale rose-coloured , up to 5 cm long and 7 cm wide. Perianth segments oblong, acute. Pericarpel and flower-tube with occasional acute scales.

Blooming Season

In spring and summer.

Spines

All radials, spider-like, nearly harmless, 1-1,5 cm long, white or pale rose coloured, awl-shaped, slender, curved laterally or upward, somewhat twisted or bent and closely appressed against body.

Ribs

Usually 5, occasionally up to 8, flat, with poorly developed tubercles (The 'chin' effect is not as visible as in other Gymnocalyciums).

Stem

Solitary, broadly globular, depressed globose or subglobose, 2-3 cm tall and 6-8 cm in diameter ( up to 10 cm tall 15 cm in diameter in cultivation) glossy greyish-green to dark green.

Fruits

Oblong, green.

Areoles

Few roundish, slightly woolly 1-2 cm apart.