Xerophyte

Seeds

Rough but shiny black, about 1 mm long.

Flowers

Usually large, about 40-50 mm long and 40 mm wide, exclusively from the base of the stem c. 3-4 mm above the the surface of the ground (like in Rebutia chrysacanthaSN|15395]]SN|15406]]). Buds red, with pointed scales paler towards the tips. Outer perianth segments light orange to orange-red inner perianth segments 14-17, 20-25 mm long, 7-8 mm wide, lanceolate, usually bright orange-red (occasionally yellow), with or without a darker mid-strip, and often with a brown throat, outside often with purple gloss. Ovary c. 4 mm in diameter, with pale orange to greenish-brown scales. Tube slender yellow-orange. Pistil white to yellow-white. Stigma white, with 5-7 thin stigma lobes, above the anthers. Filaments bright yellow, anthers creamy-yellow. Mostly self-fertile.

Spines

Hair-like, very fine, more loosely arranged than those of Rebutia senilisSN|15395]]SN|15395]], pure white, often with a yellowish tone.

Stem

Same as Rebutia senilisSN|15406]]SN|15395]]. Small, flattened-globular to spherical.

Fruits

Spherical, 5-7 mm diameter, yellow-orange, with red-green-scales (like in Rebutia chrysacanthaSN|15395]]SN|15406]]), at times with a few bristles.