Xerophyte

Central Spines

Absent.

Seeds

1.9-2 mm long, 2-2.1 mm wide and 1.2 mm thick in the centre. Testa shiny, reddish brown.

Roots

It has two to three main fibrous roots

Flowers

Near the top of the stem, wide funnel-shaped, petals white, pink inside at the base of the flower tube c. 4 cm long and 5 cm in diameter at anthesis.

Chromosome Number

2n = 22

Ribs

Seven to ten, flat, wide, bluntly rounded, grooved transversely. Tubercles very few per ribs, inconspicuous.

Stem

Flattened-hemispheric, surface smooth, shiny bright to midgreen, to 8 cm tall and 10 cm across.

Fruits

Green, elongated at maturity, up to 3 cm long.

Habit

Gymnocalycium angelaeSN|17491]]SN|17492]] is a flattened globose cactus species usually solitary with bright green bodies.

Note

The specific epithet honours Mrs. Angeles Gracilea Lopez, the wife of Argentinian botanist Roberto Kiesling.

Taxonomic

Meregalli, basing on chromosome analysis, concluded that G. angelae was more related to Gymnocalycium mesopotamicumSN|7888]]SN|15257]] than to Gymnocalycium denudatumSN|17492]]SN|7888]].

Radial Spines

7 thin and curved, adpressed on the surface, yellowish, becoming grey with darker bases as they age 1.5-2 cm long long.

Areoles

Oval with whitish wool.