Silken pincushion

Silken pincushion expands the cylindrical stems in a cluster and forms the mound of 50 to 90cm in diameter when it matures.   The stem produces vegetative shoot to spread.   The stem becomes seven to fourteen centimeters, in some cases, twenty centimeters in height and five to six centimeters in diameter.   The stem is brilliant green to grayish green in color and has many prominent tubercles (lumps).

The tubercle on the apical area is covered with white wool.   It has the short, white radial spine and the long, brown central spine.   There are 30 to 60 radial spines, which are needle-like, stiff, glassy in texture and white to yellowish white in color.   Typically, there are four central spines, but in some cases there are three to eight.   It is yellow to reddish brown and dark at the end in color.   The lowest central spine is about 20mm in length and hooked downwards; the others are about 11mm and straight.

The flower blooms only after it has matured.  It is 15mm in both diameter and length, funnel-shaped and pink or white.

Classification: Cactaceae Mammillaria
Scientific name: Mammillaria bombycina Quehl
Japanese name: Homei-maru
English Name: ---
Native locality: Jalisco and Aguascalientes states, Mexico
Ecological description: ---
RDB : ---
Planting place: South and Central America Greenhouse
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