Islaya grandiflorens var. spinosior
Beitr. Kennt. Peruan. Kakteenveg. 1958
Family
Cactaceae
Genus
Species
Islaya grandiflorens var. spinosior
Author
Rauh & Backeb.
Chinese genus
-
Chinese name
-
Accepted
DescriptionEdit description
Central Spines
4 to 7 spreading, thick, 12-16 (or more) mm long.
Seeds
Broadly oval.
Roots
Fibrous.
Flowers
Diurnal, about 4 cm long and in diameter, born on younger areoles from a yellowish woolly crown in summer, wide funnelform, yellow, outer perianth segments often reddish, floral tube short with tufts of dense wool and long reddish bristles.
Spines
Variable in colour, horn-coloured, brow to shiny black, turning grey as they age.
Ribs
19 to 25 low and obtuse.
Stem
Grey-green, 5 to 40 cm tall, 5 to 20 cm in diameter, apex very woolly.
Radial Spines
12 to 22, shorter, radiating, (1-)6-10 mm long.
Fruits
Characteristic, up to 5 cm long, club shaped, balloon-like, pinkish to red, openings at maturity by basal pores. Pericarp initially fleshy but the interior always dry when mature.
Areoles
Approximate, very woolly, with grey-brown felt