Xerophyte

Habit

It is a small solitary (unless damaged) perennial stem succulent that grows deep seated flat to the ground surface.

Central Spines

Usually absent.

Roots

Long, tapered fusiform root, with fine lateral diffuse roots.

Note

Frailea perbellaSN|3524]]SN|3673]] (syn

Flowers

2,2-3,5 long, 2,2-4 cm in diameter, tepals acuminate, sulphur-yellow or paler. Stigma-lobes 6-7 up to 3,5 mm long.

Ribs

22-26 completely flat or divided into very low tubercles and recognisable only by the straight, dark, vertical line marking each sinus.

Stem

Simple, disk-shaped to globose or somewhat elongate, 1,5-3 tall, 1,5-5,5(-7) cm in diameter pale to dark grey-green or dark brown.

Radial Spines

6-14 small, pectinate, more or less interlaced 1-2,5(-4) mm long, glassy white, (lighter than in the type), completely adpressed.

Fruits

10 mm across.

Areoles

Elongate with violet-black or brownish black felt (always darker than in the type).