Xerophyte

Central Spines

4 to 10 all thick up to 10,5 cm long, twisted and more or less hooked golden yellow (it sometimes occurs with red spines)

Seeds

Up to 2,5 mm wide, net-patterned and black.

Description

Ferocactus chrysacanthusSN|12323]]SN|12323]] is a small sized solitary or rarely cespitose barrel cactus with up to 6 heads. The plant is very densely spined (one of the spiniest of the Ferocacti) and because of that, will tolerate full sun.

Flowers

Near the center of the plant, typically yellow or brownish yellow, but also orange, 2,5 cm long, 4,5-5 cm in diameter when fully open. The inside petals are yellow or orange, the outside ones are brownish. Scale naked on the axil, closed set and imbricated, the lower one rounded ang green, the upper ones more oval brownish, the margin some time ragged. Outer perianth-segments stiff. Pinkish-brown, inner perianth-segments 2 cm long, yellow with reddish-mid-stripesand toothed margin.

Blooming Season

Summer.

Ribs

13 to 22 , tubercled.

Stem

Usually simple, globose to cylindrical, dull greyish green.up to 30(-40) cm in diameter, 90(-100) cm tall.

Radial Spines

4 to 12 ( or more) up to 5 cm long, slender and white.

Fruits

Yellow 3 cm long.