Xerophyte

Central Spines

Absent.

Seeds

Not seen.

Description

Plants belonging to the genus Coryphantha are solitary cacti with flat globose to cylindrical stems up to 8-15 cm in diameter, 6-12 cm tall with a blunt, depressed apex covered with e wool.The beautiful crested form here depicted, is supposed by some to be a Coryphantha radiansSN|3908]]SN|3914]] (but further investigation are needed)

Roots

Fibrous root or semi-taproot.

Note

Coryphantha corniferaSN|3914]]SN|3908]] / radians is a very variable species, normally solitary, rarely sprouting.

Tubercles

Conical, rhomboid at the base, obliquely cut, grooved above; on new growth the groove may show some felt.

Flowers

Not seen.

Stem

Brain shaped, dull olive-green.

Radial Spines

10 to 20 fairly rigid, pale cream-white to yellowish 3-6 mm long, densely set, horizontal, radiating, straight or slightly curved.

Fruits

Not seen.

Areoles

Oval to round about 2 mm Ø, at first woolly later naked.