Xerophyte

Flowers

Small yellow, up to 2,5 cm long and 2 cm wide and each can last one to three weeks. Petals semi-erect spreading and not closely surrounding the style, the stamens visible. Tube relatively long with clusters of bristles and some wool. It is self-sterile.

Blooming Season

It flowers at the end of the winter or in early spring for a long period of time (It can last blooming to two months!). Will start flowering around 5 cm in diameter.

Spines

It has as many as 60 pale yellow to golden yellow spines up to 25 mm long, of which the 5 or 6 centrals are thicker, soft and bristly often with darker tips.

Ribs

More than 30 (up to 60), low arranged in spirals.

Stem

Spherical flattened or spherical and depressed at the top, deep green, almost completely hidden by dense spines, up to 10 cm tall, 15 cm in diameter. The crown of the plant is usually set at an angle to prevent water-sitting.

Fruits

Spherical, about 2 cm.

Areoles

With a short yellowhish-white wool, they are arranged geometrically.