Islaya copiapoides var. chalaensis
Kakteen Südamerika 4: 1295, fig. 1981
Family
Cactaceae
Genus
Species
Islaya copiapoides var. chalaensis
Author
F.Ritter
Chinese genus
-
Chinese name
-
Accepted
DescriptionEdit description
Central Spines
1-3 spreading and markedly directed downward, thick, about 20 mm long.
Seeds
Broadly oval.
Roots
Fibrous.
Flowers
Diurnal, wide funnelform, yellow 1,5-2,5 cm long and in diameter (up to 4 cm in the variant known as grandiflora), born on younger areoles from a yellowish woolly crown in summer. Pericarpel and floral tube short scaly. Scales with tufts of dense wool and long reddish bristles. Petals yellow, sepaloids often orange or reddish. Style yellow.
Spines
Variable in size and in colour whitish with reddish tips, changing to grey with age.
Ribs
19-22 low and obtuse and more or less tuberculate.
Stem
Initially globular, but slightly elongated to shortly cylindrical with age, grey-green, 5 to 15 cm tall, 5-10 cm in diameter. Apex densely woolly.
Radial Spines
About 20, shorter, radiating, 7-10 mm long, but sometimes less than 3 mm long.
Fruits
Characteristic, up to 5 cm long, club shaped, balloon-like, pinkish to red, when mature inflated, openings by basal pores. Pericarp initially fleshy but the interior always dry when mature.
Areoles
Approximate, large, conspicuously woolly, with creamy-white to grey-brown felt.