Gymnocalycium mostii

Gymnocalycium mostii is a cactus. It comes from Córdoba Province in Argentina. It belongs to Cactaceae, the cactus family. Kew lists its home climate as subtropical. Kew calls its growth form a succulent subshrub. LLIFLE gives the English name Most's Gymnocalycium. The RHS accepts the scientific name used here. It lists Gymnocalycium valnicekianum as another name for this plant. The plant is not native to Britain or Ireland.

The account for this species describes its areoles. These small pads are round to oval. They have pale wool when young. Each measures about 0.020–0.026 feet [0.006–0.008 metres] long. The wool on young growth has a cream-white shade. The areoles lose most of this wool with age. Old ones thus look almost bare next to young ones. This change is a useful trait to check on plants. The supplied facts for this species give no full-grown height or width.

The fruit's shape ranges from egg-like to almost round. Its blue-green colour has a slate tone. Fruit reaches about 0.066 feet [0.02 metres] in length. Its width reaches about 0.049 feet [0.015 metres]. The small seeds are more or less round. They have a dull surface. Their colour ranges from dark reddish brown to black. Each has a pale hilum, the scar where it was attached. The account gives a seed width of 0.7–0.9 millimetres. These fruit and seed facts come from this species' own account.

The supplied RHS page describes the wider genus. It gives no separate flower account for this species. This matters when you name a plant or note its bloom season. Other supplied pages cover named varieties, subspecies, or other named taxa. Those plants' stem sizes cannot confirm this species' traits. Nor can their spine colours or flower details. The same holds for facts about where they live and how they grow.

The supplied facts leave some garden questions about this species open. They do not show its light, water, or soil needs. They give no firm hardiness range or bloom season. No account for this species here confirms pests or diseases. Nor does one confirm uses in gardens or landscapes. The supplied facts do not confirm whether it is edible or toxic. The lack of safety facts does not mean it is safe to eat.