Lobivia arachnacantha is a species of cactus in the genus Lobivia, native to Bolivia.[1][2]

Lobivia arachnacantha
Echinopsis arachnacantha subsp. arachnacantha
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Lobivia
Species:
L. arachnacantha
Binomial name
Lobivia arachnacantha
Synonyms[1]
List
    • Echinopsis arachnacantha (Buining & F.Ritter) Friedrich
    • Echinopsis ancistrophora subsp. arachnacantha (Buining & F.Ritter) Rausch
    • Echinopsis ancistrophora var. kratochviliana (Backeb.) Rausch
    • Echinopsis arachnacantha var. densiseta Friedrich
    • Echinopsis arachnacantha var. sulphurea (R.Vásquez) G.D.Rowley
    • Echinopsis arachnacantha var. torrecillasensis (Cárdenas) Friedrich
    • Echinopsis arachnacantha var. vallegrandensis Rausch
    • Echinopsis graciliflora Cárdenas
    • Echinopsis kratochviliana Backeb.
    • Echinopsis torrecillasensis Cárdenas
    • Neolobivia kratochviliana (Backeb.) Y.Itô
    • Pseudolobivia kratochviliana (Backeb.) Backeb.
    • Pseudolobivia torrecillasensis (Cárdenas) Backeb.

Description

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Lobivia arachnacantha typically grows in clusters with flattened to spherical stems that are dark green and feature around 14 weakly notched ribs. The areoles on these stems bear 9-15 radial spines measuring 5 mm in length, which can range from pale to dark brown or yellowish-brown, sometimes accompanied by a 1.5 mm long black spine. Its flowers are approximately 5 cm wide and are supported by a slender floral tube that is about 5 cm long.[3]

Subspecies

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The following varieties are accepted:[1]

Image Subspecies Distribution
  Lobivia arachnacantha var. arachnacantha Bolivia
  Lobivia arachnacantha var. densiseta Rausch Bolivia
Lobivia arachnacantha var. sulphurea R.Vásquez Bolivia
  Lobivia arachnacantha var. torrecillasensis (Cárdenas) Buining Bolivia

Distribution

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Plants are found in Bolivia, in the departments of Santa Cruz, Chuquisaca, and Cochabamba, as well as in Salta, Argentina. It grows at elevations between 1800 and 2600 meters. This species grows on stony hills in places with reliable summer rainfall.[3]

Taxonomy

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As its synonym Echinopsis arachnacantha it has gained the Royal Horticultural Society's Award of Garden Merit.[4]

References

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  1. ^ a b c "Lobivia arachnacantha Buining & F.Ritter". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 31 July 2023.
  2. ^ "Echinopsis arachnacantha (Buining & F.Ritter) Friedrich". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 15 April 2021.
  3. ^ a b Vallicelli, Valentino (2013-08-04). "Lobivia arachnacantha". llifle.com. Retrieved 2023-12-19.  This article incorporates text from this source, which is available under the CC BY-SA 3.0 license.
  4. ^ "Echinopsis arachnacantha". The Royal Horticultural Society. 2021. Retrieved 15 April 2021. spider web-spined Easter lily cactus
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