Xerophyte

Central Spines

1, sometimes flattened, up to 6 cm long;

Description

Ferocactus alamosanusSN|21495]]SN|1694]] is small barrel cactus, usually solitary but sometimes clumping.

Flowers

Wide open greenish yellow, up to 45 mm long, 35 mm in diameter. The petals are spatulate and broad.

Spines

Needle-like. Densely intermeshed with a reddish tinge in the new growth

Ribs

12-20 narrow, acute ribs.

Stem

Depressed globose to shortly cylindrical, up to 30 cm in diameter, 25 cm tall, occasionally much taller;

Radial Spines

8, straw-coloured, 3 to 4 cm long .

Fruits

Dull brown-red fruits splitting open when ripe.