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Polaskia

Polaskia (named after American amateur Charles Polaski) is a genus of tree-like cacti reaching 4–5 m high, comprising 2 species. Both present primitive characteristics, but Polaskia chichipe is nearer to Myrtillocactus while Polaskia chende is nearer to Stenocereus. The genus is found in the Mexican states of Puebla and Oaxaca.[1][2]

Polaskia
Polaskia chichipe
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Echinocereeae
Genus: Polaskia
Backeb.
Species
Synonyms

Description edit

The tree-like, highly branched species of the Polaskia genus reach heights of growth of between 4 and 5 meters and form dense crowns 3 to 4 meters above the ground. Its bright green shoots repeatedly fork and grow 1 to 2 meters long. The 7 to 12 ribs are sharply triangular in cross-section. On their edges, these wear 3 to 4 millimeters wide, shield-shaped areoles at close intervals. The central spine may be absent. The 3 to 8 radial spines are greyish to blackish.

The urn- to bell-shaped flowers are white to creamy white to yellowish green. They open day and night and are between 4 and 6 centimeters long.

The red, spherical fruits with a diameter of 2 to 4 centimeters are juicy and edible. The small seeds it contains are pear- to ovoid-shaped and dull black.

Synonymy edit

The following genera have been brought into synonymy with Polaskia:

Extant Species edit

Species as of 2021:[3]

Image Scientific name Common Name Distribution
  Polaskia chende chende, chinoa Oaxaca & Puebla Mexico
  Polaskia chichipe chichipe, chichibe, chichituna Oaxaca & Puebla Mexico

References edit

  1. ^ Anderson, Edward F.; Eggli, Urs (2005). Das große Kakteen-Lexikon (in German). Stuttgart. ISBN 978-3-8001-4573-7. OCLC 181456857.{{cite book}}: CS1 maint: location missing publisher (link)
  2. ^ "On-line Guide to the positive identification of Members of the Cactus Family". On-line Guide to the positive identification of Members of the Cactus Family. Retrieved 2022-10-25.
  3. ^ Korotkova, Nadja; Aquino, David; Arias, Salvador; Eggli, Urs; Franck, Alan; Gómez-Hinostrosa, Carlos; Guerrero, Pablo C.; Hernández, Héctor M.; Kohlbecker, Andreas; Köhler, Matias; Luther, Katja; Majure, Lucas C.; Müller, Andreas; Metzing, Detlev; Nyffeler, Reto; Sánchez, Daniel; Schlumpberger, Boris; Berendsohn, Walter G. (2021-08-31). "Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family". Willdenowia. 51 (2). Botanic Garden and Botanical Museum Berlin, Freie Universitaet Berlin. doi:10.3372/wi.51.51208. ISSN 0511-9618.

External links edit

  •   Media related to Polaskia at Wikimedia Commons
  •   Data related to Polaskia at Wikispecies


polaskia, named, after, american, amateur, charles, polaski, genus, tree, like, cacti, reaching, high, comprising, species, both, present, primitive, characteristics, chichipe, nearer, myrtillocactus, while, chende, nearer, stenocereus, genus, found, mexican, . Polaskia named after American amateur Charles Polaski is a genus of tree like cacti reaching 4 5 m high comprising 2 species Both present primitive characteristics but Polaskia chichipe is nearer to Myrtillocactus while Polaskia chende is nearer to Stenocereus The genus is found in the Mexican states of Puebla and Oaxaca 1 2 Polaskia Polaskia chichipe Scientific classification Kingdom Plantae Clade Tracheophytes Clade Angiosperms Clade Eudicots Order Caryophyllales Family Cactaceae Subfamily Cactoideae Tribe Echinocereeae Genus PolaskiaBackeb Species Polaskia chende chende chinoa Polaskia chichipe chichipe chichibe chichituna Synonyms Chichipia Backeb nom inval Heliabravoa Backeb Contents 1 Description 2 Synonymy 3 Extant Species 4 References 5 External linksDescription editThe tree like highly branched species of the Polaskia genus reach heights of growth of between 4 and 5 meters and form dense crowns 3 to 4 meters above the ground Its bright green shoots repeatedly fork and grow 1 to 2 meters long The 7 to 12 ribs are sharply triangular in cross section On their edges these wear 3 to 4 millimeters wide shield shaped areoles at close intervals The central spine may be absent The 3 to 8 radial spines are greyish to blackish The urn to bell shaped flowers are white to creamy white to yellowish green They open day and night and are between 4 and 6 centimeters long The red spherical fruits with a diameter of 2 to 4 centimeters are juicy and edible The small seeds it contains are pear to ovoid shaped and dull black Synonymy editThe following genera have been brought into synonymy with Polaskia Chichipia Backeb nom inval Heliabravoa Backeb Extant Species editSpecies as of 2021 3 Image Scientific name Common Name Distribution nbsp Polaskia chende chende chinoa Oaxaca amp Puebla Mexico nbsp Polaskia chichipe chichipe chichibe chichituna Oaxaca amp Puebla MexicoReferences edit Anderson Edward F Eggli Urs 2005 Das grosse Kakteen Lexikon in German Stuttgart ISBN 978 3 8001 4573 7 OCLC 181456857 a href Template Cite book html title Template Cite book cite book a CS1 maint location missing publisher link On line Guide to the positive identification of Members of the Cactus Family On line Guide to the positive identification of Members of the Cactus Family Retrieved 2022 10 25 Korotkova Nadja Aquino David Arias Salvador Eggli Urs Franck Alan Gomez Hinostrosa Carlos Guerrero Pablo C Hernandez Hector M Kohlbecker Andreas Kohler Matias Luther Katja Majure Lucas C Muller Andreas Metzing Detlev Nyffeler Reto Sanchez Daniel Schlumpberger Boris Berendsohn Walter G 2021 08 31 Cactaceae at Caryophyllales org a dynamic online species level taxonomic backbone for the family Willdenowia 51 2 Botanic Garden and Botanical Museum Berlin Freie Universitaet Berlin doi 10 3372 wi 51 51208 ISSN 0511 9618 External links edit nbsp Media related to Polaskia at Wikimedia Commons nbsp Data related to Polaskia at Wikispecies nbsp This Cactaceae article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Polaskia amp oldid 1136332973, wikipedia, wiki, book, books, library,

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