Biology:Polaskia chende
| Polaskia chende | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Genus: | Polaskia |
| Species: | P. chende
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| Binomial name | |
| Polaskia chende (Rol-.Goss.) A.C.Gibson & K.E.Horak
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| Distribution of Polaskia chende | |
| Synonyms[2] | |
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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
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
It inhabits oak (Quercus) forests, xeric scrublands, tropical deciduous forests, and among riparian vegetation, at elevations from 1,700 to 2,200 metres (5,600 to 7,200 ft).
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Limestone habitat in Oaxaca -
Adult plant in Oaxaca -
scrublands habitat in Oaxaca
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Taxonomy
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
- ↑ 1.0 1.1 1.2 Arias, S.; Valverde, T.; Zavala-Hurtado, A. (2017). "Polaskia chende". IUCN Red List of Threatened Species 2017. doi:10.2305/IUCN.UK.2017-3.RLTS.T151722A121564109.en. https://www.iucnredlist.org/species/151722/121564109. Retrieved 20 February 2022.
- ↑ "Polaskia chende (Rol-.Goss.) A.C.Gibson & K.E.Horak". http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/7728/Polaskia_chende.
- ↑ "Polaskia Species, Chende, Chinoa, Tunillo (Rol-.Goss.) A.C.Gibson & K.E.Horak". Dave's garden. https://davesgarden.com/guides/pf/go/93321/#b.
- ↑ D&Amp, Um National; (France), histoire naturelle (1905). "Bulletin du Muséum d'histoire naturelle". Impr. nationale. https://www.biodiversitylibrary.org/page/5034045.
- ↑ Garden., Missouri Botanical; Botany., Henry Shaw School of (1978). Annals of the Missouri Botanical Garden. v.65 (1978). Missouri Botanical Garden Press. https://www.biodiversitylibrary.org/page/28003505. Retrieved 2024-03-31.
External links
Data related to Polaskia chende at Wikispecies
Wikidata ☰ Q1653594 entry
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