Acanthocalycium spiniflorum

Acanthocalycium spiniflorum is a species of flowering plant in the cactus family Cactaceae from Argentina.[1]

Acanthocalycium spiniflorum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Acanthocalycium
Species:
A. spiniflorum
Binomial name
Acanthocalycium spiniflorum
(K. Schum.) Backeb. 1935
Synonyms
List
  • Echinocactus spiniflorus K.Schum. 1903
  • Echinopsis spiniflora (K.Schum.) A.Berger 1929
  • Lobivia spiniflora (K.Schum.) Britton & Rose 1926
  • Acanthocalycium klimpelianum (Weidlich & Werderm.) Backeb. 1936
  • Acanthocalycium klimpelianum var. macranthum (Rausch) J.G.Lamb. 1998
  • Acanthocalycium peitscherianum Backeb. 1936
  • Acanthocalycium spiniflorum f. peitscherianum (Backeb.) Donald 1975), not validly publ
  • Acanthocalycium spiniflorum f. violaceum (Werderm.) Donald 1975, not validly publ
  • Acanthocalycium violaceum (Werderm.) Backeb. 1936
  • Echinopsis klimpeliana Weidlich & Werderm. 1928
  • Echinopsis peitscherana (Backeb.) H.Friedrich & G.D.Rowley 1974
  • Echinopsis violacea Werderm. 1931
  • Lobivia klimpeliana (Weidlich & Werderm.) A.Berger 1929
  • Lobivia spiniflora var. klimpeliana (Weidlich & Werderm.) Rausch 1985-1986 publ. 1987
  • Lobivia spiniflora var. macrantha Rausch 1985-1986 publ. 1987
  • Lobivia spiniflora var. peitscheriana (Backeb.) Rausch 1985-1986 publ. 1987
  • Lobivia spiniflora var. violacea (Werderm.) Rausch 1985-1986 publ. 1987

Description

Acanthocalycium spiniflorum usually grows individually with spherical to slightly elongated shoots and reaches heights of growth of up to 60 centimeters with diameters of 10 to 15 centimeters. There are 16 to 20, up to 1 centimeter high ribs, which are somewhat divided into humps. The 10 to 20 straight, needle-like spines are flexible, yellowish to brown and have a darker tip. They turn gray with age. It produces many flowers in summer, that are funnel-shaped to bell-shaped flowers which may be purple, pink or white., have a length of up to 4 centimeters and have the same diameter.[2]

Under its synonym Echinopsis spiniflora this plant has won the Royal Horticultural Society's Award of Garden Merit.[3]

  • Flower Buds
    Flower Buds
  • Flowers
    Flowers
  • Plant
    Plant

Distribution

Acanthocalycium spiniflorum is widespread in the Argentine provinces of Córdoba and San Luis at altitudes of 1000 to 1500 meters.

Taxonomy

The first description as Echinocactus spiniflorus by Karl Moritz Schumann was published in 1903.[4] The specific epithet spiniflorus is derived from the Latin words spina for 'sting' or 'thorn' and florus for '-flowered' and refers to the scales on the flower tube of the species. Curt Backeberg placed the species in the genus Acanthocalycium in 1936.[5] Further nomenclature synonyms are Echinopsis spiniflora (K. Schum.) A. Berger (1929), Spinicalycium spiniflorum (K. Schum.) Frič (1935, nom. inval. ICBN article 43.1) and Lobivia spiniflora (K.Schum.) Rausch (1987).

References
  1. "Acanthocalycium spiniflorum in Tropicos".
  2. Anderson, Edward F.; Eggli, Urs; Anderson, Edward F. (2005). Das große Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 68. ISBN 3-8001-4573-1.
  3. "Echinopsis spiniflora". www.rhs.org. Royal Horticultural Society. Retrieved 5 June 2020.
  4. Schumann, Karl Moritz; Hirscht, Karl. (1899). Gesamtbeschreibung der Kakteen (Monographia cactacearum) /von Karl Schumann. Neudamm [Dębno, Poland?]: J. Neumann. doi:10.5962/bhl.title.10394.
  5. "Au Cactus Francophone". Au Cactus Francophone (in French). Retrieved 2023-09-17.
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