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Polaskia chende

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Polaskia chende
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Polaskia
Species:
P. chende
Binomial name
Polaskia chende
(Rol-.Goss.) A.C.Gibson & K.E.Horak
Distribution of Polaskia chende
Synonyms[2]
  • Cereus chende Rol.-Goss.
  • Cereus delmoralii J.A.Purpus
  • Heliabravoa chende (Rol.-Goss.) Bravo & D.K.Cox
  • Lemaireocereus chende Rol.-Goss.) Britton & Rose
  • Myrtillocactus chende (Rol.-Goss.) P.V.Heath

Polaskia chende is a succulent cactus native to a small area of mountains of northern Oaxaca and southern Puebla, Mexico. It grows in xerophytic shrubland between 1,500 and 2,000 meters above sea level.[1]

Description

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Polaskia chende forms 3–5 m (9 ft 10 in – 16 ft 5 in) tall branching columnar stems, 40 to 80 cm long and 5 to 7 cm wide, and can reach up to 4.5 m in height. 7 to 8 ribs, rarely 9, 1.7 to 3 cm high, areoles 5 mm long, circular to elliptical, spaced 2 cm apart, with the presence of black trichomes. It has 5 or 6 radial spines 2 cm long and 0.8 cm wide, grey, the central spine may be absent or rudimentary; fertile zone not differentiated from the infertile zone. Plants bloom between August and January. Its flowers are white reach a length of 5 cm oblanceolate, mucronate apex, green, some with a red to purple middle stripe. The fruit approximately 3 cm long and 4 cm wide, are purple, with short bracts, yellow trichomes, with short spines, juicy purple pulp. Seeds 1.6 mm long and 1 mm wide. Flowering occurs between the months of August and January, and bears fruit between December and June.[3][1]

Distribution

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It inhabits oak (Quercus) forests, xeric scrublands, tropical deciduous forests, and among riparian vegetation, at elevations from 1700 to 2200 meters.

Taxonomy

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The plant was initially named Cereus chende, was described by Robert Roland-Gosselin in 1905.[4] The specific epithet "chende" comes from its Spanish common name. In 1979, Arthur Charles Gibson and Karl E. Horak reclassified the species under the genus Polaskia.[5]

References

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  1. ^ a b c The IUCN Red List of Threatened Species (2013). "Polaskia chende". IUCN Red List of Threatened Species. 2013: e.T151722A121564109. doi:10.2305/IUCN.UK.2017-3.RLTS.T151722A121564109.en. Retrieved 20 February 2022.
  2. ^ "Polaskia chende (Rol-.Goss.) A.C.Gibson & K.E.Horak". Retrieved 20 February 2022.
  3. ^ "Polaskia Species, Chende, Chinoa, Tunillo (Rol-.Goss.) A.C.Gibson & K.E.Horak". Dave's garden. Retrieved 20 February 2022.
  4. ^ D&Amp, Um National; (France), histoire naturelle (1905). "Bulletin du Muséum d'histoire naturelle". Impr. nationale. ISSN 0027-4070. Retrieved 2024-03-31.
  5. ^ Garden., Missouri Botanical; Botany., Henry Shaw School of (1978). "Annals of the Missouri Botanical Garden". Missouri Botanical Garden Press. Retrieved 2024-03-31.
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