Opuntia engelmannii var. aciculata
Cacti S. W. 178 178 1969
Family
Cactaceae
Genus
Species
Opuntia engelmannii var. aciculata
Author
(Griffiths) Weniger
Chinese genus
仙人掌属
Chinese name
-
DescriptionEdit description
Leaves
Acicular, awl-shapedup to 7 mm long, ephemeral.
Description
Opuntia engelmannii subs. aciculataSN|19915]]SN|19915]] is a flattened-padded succulent, forming large, hemispherical, bushy clumps up to 60-90 (or more tall) cm tall and 100-300 cm wide. The lower branches decumbent and sending up erect branches.
Flowers
Golden yellow, diameter 8-10 cm. Several sources report the flowers as being 'yellow'. But the plant in cultivation usually has bright red-orange flowers, and sometimes the centre is greenish. Petals broad rounded or retuse, filaments yellowish. Stigma dull yellowish with 8-10 green lobes.
Glochids
Numerous, 3-12 mm long, acicular, slender, spreading, forming a dense cluster, golden yellow to dark red, thin, long, from all part of the areoles, persisting for several years.
Blooming Season
Early summer.
Spines
1-3 , often absent, reflexed, of a yellowish/toasted colour with a brownish base, up to 3(-5,5) cm in length. Often folded and seemingly decidous.
Stem
Segments obovate or partly rounded at apex, faded and glaucous, dull grey-green more or less glaucous. They measure 10-20 cm. in length.
Fruits
Pear-shaped, covered with fine spines and glochids, purple.
Areoles
Large, widely separated, round. Often spineless.