Xerophyte

Central Spines

3-6 needle-like, stronger than radials, 30-70 mm long, lower ones longer the other a little shorter, in younger plants the lower central noticeably hooked, in mature plants only slightly curved to almost straight.

Seeds

Ovoid, 1.0 x 0.8 mm, black, finely tubercled.

Description

Parodia roseoalbaSN|5837]]SN|5842]] is a nice morphological form of the variable Parodia ritteriSN|5842]]SN|5837]] that grows singly or more often forms clumps and is distinguished for the conspicuous creamy-white, yellow or amber central spines that envelop the body. The plants are quite variable and it becomes almost impossible to distinguish the different forms from one another if not for geographical provenance so most authors choose to lump them together.

Flowers

25-40 mm long yellow to brownish-orange or pinkish, tepals 12-20 mm long and 2-4 mm broad, central strip more or less pronounced, crimson, 1-2 mm wide, wider downward, margins of tepals brownish. Pericarpel spherical, 6-7 mm, wrapped in white woolly hairs; floral-tube 11-15 mm long, 11-13 mm wide white, red and brown more or less densely covered by white woolly hairs often lacking; filaments basally yellow reddish-brown above, pistil pale yellow protruding above the anthers.

Spines

Creamy-white to reddish-brown.

Ribs

Mostly 13, rarely up to 16, 15-20 mm high.

Stem

120-150 mm Ø, light green, with a crown of white wool.

Radial Spines

12-16 light cream-white to white, thin, needle-like, 20-50 mm long, upper and lower ones roughly equally long.

Fruits

Spherical, covered with fine white wool, with broad basal opening at maturity.

Areoles

With white felt.