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Echinocereus rigidissimus var. albiflorus hort.

Family: CACTACEAE

= Echinocereus rigidissimus subs. rubispinus f. albiflorus hort.

Accepted Scientific Name: Echinocereus rigidissimus subs. rubispinus (G.Frank & A.B.Lau) N.P.Taylor
Cactaceae Consensus Init. 3: 9. 1997

Echinocereus rigidissimus var. albiflorus (Echinocereus rigidissimus subs. rubispinus f. albiflorus) Photo by: Valentino Vallicelli

Synonyms:

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Accepted name in llifle Database:
Echinocereus rigidissimus (Engelm.) Rose
Contr. U.S. Natl. Herb. 12: 293. 1909
Synonymy: 6 Accepted name in llifle Database:
Echinocereus rigidissimus subs. rubispinus (G.Frank & A.B.Lau) N.P.Taylor
Cactaceae Consensus Init. 3: 9. 1997
Synonymy: 5
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Subspecies, varieties, forms and cultivars of plants belonging to the Echinocereus rigidissimus group

  • Echinocereus rigidissimus (Engelm.) Rose: Stems up to 10 cm thick with 15-23 radial pectinated spines per areole that hide the body of the plant.  Each year’s growth is differentiated by differently coloured band of spines, hence the common name Arizona Rainbow.
  • Echinocereus rigidissimus f. cristata hort.: Crested form.
  • Echinocereus rigidissimus subs. rubispinus (G.Frank & A.B.Lau) N.P.Taylor: (a.k.a. Ruby Rainbow) has stems that only get about 7 cm thick with 30-35 shorter radial spines per areole. The spines are also more Ruby/pinkish coluoured compared to the 'rigidissimus' subspecies and are some of the showiest in the cactus kingdom.
  • Echinocereus rigidissimus subs. rubispinus f. albiflorus hort.: has white flowers and paler creamy white spines, all the other characteristics namely size and shape of spines, stems, flowers, fruits, roots etc.it is comparable to the standard from.

14145 valentino Valentino Vallicelli
Echinocereus rigidissimus var. albiflorus (Echinocereus rigidissimus subs. rubispinus f. albiflorus) Photo by: Valentino Vallicelli
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