Lobivia backebergii

Lobivia backebergii is a species of flowering plant in the cactus family Cactaceae, native to eastern Bolivia and southern Peru.

Lobivia backebergii
L. backebergii syn. Lobivia winteriana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Lobivia
Species:
L. backebergii
Binomial name
Lobivia backebergii

Description

The spherical to short cylindrical, light green shoots reach a diameter of 4–5 cm (2–2 in) tall and wide, with single or clustered globose stems 4–5 cm thick, with about 15 ribs which are notched, spirally arranged, and covered in grey-brown spines. The areoles on them are initially woolly and hairy and are 1 to 1.5 centimeters apart. One to eleven thorns emerge from them, which cannot always be differentiated into central and peripheral thorns. They are initially brown and turn gray with age. The slender thorns are curved, almost hooky at the tip and 0.5 to 5 centimeters long. Large, showy, light to carmine-red flowers often have a bluish glow and a white throat are borne in summer. They appear on the side near the top of the shoot and open during the day. The flowers are up to 5.5 centimeters long and have a diameter of 4 centimeters. Their flower tube is slender. The small, spherical fruits are semi-dry and tear vertically. As the minimum temperature requirement is 10 °C (50 °F), in temperate regions it must be grown under glass with heat.[2][3]

Subspecies

As of 2023, Plants of the World Online accepted two subspecies:[4]

ImageSubspeciesDescriptionDistribution
L. backebergii subsp. backebergiiClumping, sprouts abundantly at base.Bolivia (La Paz), Peru (Ayacucho , Cusco and Huancavelica)
L. backebergii subsp. wrightiana (Backeb.) Rausch ex G.D.Rowley[5]Usually solitary rarely clumping. Subspecies has gained the Royal Horticultural Society's Award of Garden Merit.[6] Peru (Huancavelica)

Distribution

Lobivia backebergii is widespread in the Bolivian departments of La Paz and Cochabamba and the Peruvian regions of Ayacucho, Cusco and Huancavelica in the Puna vegetation at altitudes of 3200 to 3900 meters.

Taxonomy

The first description as Echinopsis backebergii by Erich Werdermann was published in 1931.[7] The specific epithet backebergii honors the German cactus specialist Curt Backeberg. Curt Backeberg placed the species in the genus Lobivia in 1935

References
  1. "The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. 2011-05-04. Retrieved 2023-10-01.
  2. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
  3. Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 219. ISBN 3-8001-4573-1.
  4. "Lobivia backebergii (Werderm.) Blatt. — Plants of the World Online". Plants of the World Online. Retrieved 2023-10-01.
  5. "RHS Plant Selector Echinopsis backebergii subsp. wrightiana AGM / RHS Gardening". Apps.rhs.org.uk. Retrieved 5 June 2020.
  6. "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 34. Retrieved 6 February 2018.
  7. "Au Cactus Francophone :". Au Cactus Francophone (in French). Retrieved 2023-10-01.
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