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Opuntia aciculata
(Syn:
Opuntia engelmannii var. aciculata)

CACTUS ART
NURSERY

Cultivation and Mail Sale
of Cacti and Succulents.


Free blooming species also when small.

 

Description: Habit: Flattened-padded succulent, forms large clumps.
Stem: Branched up to 60-90cm tall and 100-300 cm wide, Segments obovate or partly rounded, faded and glaucous, They measure 10-12 cm. in length.
Leaves: ephemeral
Areoles : Large, closed one to each others.
Glochids: Numerous, thin,
Spines: Acicular, of a yellowish/toasted colour, up to 3(5,5)cm.in length. Often folded.
Flower: Yellow (?) diameter 8-10 cm. Several sources report the flowers as being 'yellow'. But the plant in cultivation usually has bright red-orange flowers, sometime  the centre is greenish. Stigma with 8-10 green lobes.
 


It has short needle-like and sharp spines;
use caution when handling, the glochids
embed themselves into skin and inflict
painful stings.


Cultivation: In outdoors: Drought-tolerant; suitable for xeriscaping, little or no water once established, in the green housekeep dry in winter, irrigate regularly during the growing season.
Frost Tolerance (Hardiness): - 2° -10° C  (USDA: 8-10 )Needs full Sun
Propagation:
Herbaceous stem cuttings (Allow cut surface to callus over before planting).
 


Leaves are fusiform
and ephemeral.


Yellow/orange spines.
Glaucous epidermis.

Family: Cactaceae (Cactus Family)

Scientific Name: Opuntia aciculata Griffiths, 1916

Distribution: South-western USA, north-western Mexico

Listed in CITES Appendix II
 
Type:
Synonyms:
  • Opuntia lindheimeri var. aciculata, Engelm. (Griffiths) Bravo, 1974.
  • Opuntia engelmannii var. aciculata Salm-Dyck (Griffiths) Weniger, 1970
  • Opuntia engelmannii ssp. aciculata (Griffiths) U.Guzmán, comb. et stat. nov.
  • Opuntia tardospina Griffiths

Etymology: The genus name"Opuntia" refers to a Greek name used by Pliny for a diverse plant which grew in the region of the town of Opus in Greece.
The species name
" Aciculata" derives from the Latin word “acicula” which means “a small pin for a headdress”, and the adjectival suffix for nouns “atus” : possessive of or likeness of something (with, shaped, made) for verb participles: a completed action, -ed
( The specific name implies: "covered with small pins").


Flowers
are big and colourful


Tepals: orange-yellow  with a violet throat.
Stamens clear yellow,  stigmas green with a fat pink stylus.
 

 
 

Photo gallery: Alphabetical listing of Cactus and Succulent pictures published in this site.

Photo gallery Opuntia

 

"English text kindly corrected by John Chippindale"

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with their photo, time, comments.

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