''Acanthocalycium spiniflorum'' is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
in the cactus
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Cactaceae from
Argentina
Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
.
Description
''Acanthocalycium spiniflorum'' usually grows individually with spherical to slightly elongated shoots and reaches heights of growth of up to with diameters of . There are 16 to 20, up to 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 and have the same diameter.
Under its
synonym
A synonym is a word, morpheme, or phrase that means precisely or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are a ...
''Echinopsis spiniflora'' this plant has won the
Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr ...
's
Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
It includes the full range of cultivated p ...
.
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
Karl Moritz Schumann (17 June 1851 – 22 March 1904) was a German botanist.
Schumann was born in Görlitz. He was curator of the Berlin-Dahlem Botanical Garden and Botanical Museum, Botanisches Museum in Berlin-Dahlem from 1880 until 1894. ...
was published in 1903.
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
Curt Backeberg (2 August 1894 in Lüneburg, Germany – 14 January 1966) was a German horticulturist especially known for the collection and classification of cacti.
Biography
He travelled extensively through Central and South America, and pu ...
placed the species in the genus ''Acanthocalycium'' in 1936.
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
External links
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{{Taxonbar, from=Q286912
spiniflorum
Flora of Argentina