Xerophyte

Habit

Rebutia eosSN|4532]]SN|4532]] is a miniature cactus with greyish-green body, brownish spines, darker central spine and flowers varying in colour from pure white, over white with pinkish centre to the beautiful pink flowered form also known as Rebutia eos var. roseifloraSN|4416]]SN|32671]] Rausch n. prov., ( field number R 333a), however pure white to pink flowers may occur in the same plant. In cold weather on the first day the flowers are often bright pink, but turn white on the second day. In hot weather the blossoms tend to be pure white from the first day.

Central Spines

One (sometimes missing), up to 55 mm long, stronger, brown to black, pointing upward.

Seeds

Bell-shaped, testa brown, matte.

Roots

Tap root.

Flowers

About 40 mm long and 30-40 mm wide; perikarpel spherical, reddish-brown, with dark brown scales. Receptacle pink, hairless below; above dark green, with lanceolate scales bearing white hairs in the axils. Outer perianth segments white, with brownish central stripe. Inner perianth segments, white or pinkish. Pistil and stigma pale green; stigma-lobes pale green or creamy-pink.

Ribs

12-13 straight or slightly twisted barely noticeable, broken into blunt tubercles about 4 mm long.

Stem

Solitary, or rarely branched, short columnar, 30 mm tall and 20 mm wide, brownish-green.

Radial Spines

6-10, up to 6 mm long, bristle-like with a brown base.

Fruits

Brown with dark scales, covered with white wool.

Areoles

Oval, 2 mm long, with brown wool.