Xerophyte

Central Spines

None or sometimes one straight, erect and rigid.

Description

The Yellow chin-cactus, Gymnocalycium reductum var. leeanumSN|14835]]SN|15726]] (syn

Flowers

One or two (or more), large, near the apex or depressed portion above, 5-6 cm wide and long. Tube short covered with green roundish or oblong obtuse scales, the upper ones larger, with pale edges and tips and gradually passing into the tepals. Outer perianth segments green, tinged with purple. Inner perianth-segments yellow, yellowish-white, or yellowish-green.

Blooming Season

Flowers appear recurrently from early spring to autumn.

Ribs

15, low, rather indefinite, hemispherical but usually more or less hexahedral at base, no arranged in distinct lines or series so as to form ridges with their corresponding furrows, but placed with a good deal of irregularity, becoming, below especially, confluent and obsolete, at the top small and very numerous.

Stem

Depressed-globular to globular, rather glaucous dark green colour blue-green, up to 8 cm in diameter.

Radial Spines

Approximately 11, flat spreading horizontally and somewhat bent against the stem (especially on the older tubercles), most of these are nearly equal in size and up to 1.2 cm long.

Areoles

Oval, downy, or rather woolly.