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Oxalis alpina

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Species of flowering plant

Oxalis alpina
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Oxalidales
Family: Oxalidaceae
Genus: Oxalis
Species: O. alpina
Binomial name
Oxalis alpina
(Rose) Rose ex R.Knuth

Oxalis alpina is a herbaceous perennial plant also known by its common name alpine woodsorrel. It is a species belonging to the genus Oxalis. O. alpina is found in North America and Central America from Guatemala to the southwestern United States.

Taxonomy

Different classifications of Oxalis alpina exist. It is a species in the genus Oxalis, but some also classify it as being part of the Ionoxalis section in the genus Oxalis. Synonyms for Oxalis alpina include Ionoxalis alpina Rose, Ionoxalis metcalfei Small, Ionoxalis monticola Small, Oxalis metcalfei (Small) Knuth., Oxalis bulbosa A. Nelson, and Oxalis monticola Small. The species was first described by Reinhard Gustav Paul Knuth and Joseph Nelson Rose in 1919.

Etymology

The name Oxalis comes from the Greek word "oxys," meaning sharp or sour, which is in reference to its oxalic acid content that gives it a sour flavour. The specific epithet alpina means "alpine," reflecting its habitat range.

Description

Oxalis alpina is a perennial herb that grows each year from an underground bulb, and can usually be found from July to September. Oxalis alpina is tetraploid. Plants are conspicuous and can have 1-7 flowers which are arranged in an umbel inflorescence. Leaves are green and clover-like with three distinct heart-shaped lobes. Oxalis alpina is morphologically similar to Oxalis violacea, but can be differentiated by observing the orange projections at sepal tips: Oxalis alpina has two distinct orange projections, while in Oxalis violacea the projections are fused.

Flowers from Oxalis alpina are perfect and exhibit a superior ovary, ten stamens, and one pistil composed of five carpels. Fruits from Oxalis alpina are dehiscent capsules which disperse seeds by exploding at maturation, projecting seeds into the immediate area. Oxalis alpina flowers are heterostylous and exhibit either tristyly or distyly depending on the population. Distylous populations likely evolved from tristylous ancestors, and pollen transfer can still occur between tristylous and distylous O. alpina flowers.

Range

Occurrences of Oxalis alpina, have been recorded from Guatemala to the southwestern United States, including the sky island region of southeastern Arizona and northern Mexico. It is known to be somewhat rare in the United States, with few populations throughout New Mexico and only found in the eastern 2/3 of Arizona, as well as a few instances in Navajo County. Different populations are known to have varying reproduction systems, with isolated climate conditions occurring since the Pleistocene facilitating these differences even between adjacent mountain ranges within Arizona.

Habitat

Oxalis alpina can be found at high altitudes in temperate deciduous, pine-oak, and temperate coniferous forests. Populations in Arizona are recorded as being located at elevations of 5500 to 9000 feet.Oxalis alpina usually grows among rocks in moist environments.

Interspecies relationships

Oxalis alpina is pollinated by solitary bees (Heterosaurus bakeri and Heterosaurus neomexicanus), dipterans, wasps and lepidoptera. In Mexico and the southern United States the bulbs of Oxalis alpina and other Oxalis species have been found to be a primary food source for Montezuma quail during the winter months.

References

  1. ^ "Oxalis alpina". iNaturalist. Retrieved 2021-01-03.
  2. ^ Oxalis alpina Rose ex Knuth in GBIF Secretariat (2019). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2021-01-03.
  3. ^ Pérez‐Alquicira, Jessica; Weller, Stephen G.; Domínguez, César A.; Molina‐Freaner, Francisco E.; Tsyusko, Olga V. (2018-04-27). "Different patterns of colonization of Oxalis alpina in the Sky Islands of the Sonoran desert via pollen and seed flow". Ecology and Evolution. 8 (11): 5661–5673. doi:10.1002/ece3.4096. ISSN 2045-7758. PMC 6010862. PMID 29938082.
  4. "Vascular Plants of the Gila Wilderness-- Oxalis metcalfei". wnmu.edu. Retrieved 2021-11-25.
  5. Knuth, R. (1919-05-15). "Oxalidaceae americanae novae". Notizblatt des Königlichen botanischen Gartens und Museums zu Berlin. 7 (67): 289–318. doi:10.2307/3994362. JSTOR 3994362.
  6. ^ "SEINet Portal Network - Oxalis alpina". swbiodiversity.org. Retrieved 2021-12-03.
  7. ^ "Oxalis alpina - Alpine woodsorrel". Yavapai County Native & Naturalized Plants. Retrieved 2021-11-22.
  8. ^ Kearney, Thomas (1960). Arizona Flora. Berkeley and Los Angeles: University of California Press. pp. 487–488.
  9. ^ BAENA-DíAZ, F.; Fornoni, J.; Sosenski, P.; Molina-Freaner, F. E.; Weller, S. G.; Pérez-Ishiwara, R.; Domínguez, C. A. (2012). "Changes in reciprocal herkogamy during the tristyly–distyly transition in Oxalis alpina increase efficiency in pollen transfer". Journal of Evolutionary Biology. 25 (3): 574–583. doi:10.1111/j.1420-9101.2012.02455.x. ISSN 1420-9101. PMID 22268844. S2CID 11678267.
  10. ^ "Oxalis alpina, Alpine Woodsorrel, Southwest Desert Flora". southwestdesertflora.com. Retrieved 2021-12-03.
  11. Gardner, Andrew G.; Vaio, Magdalena; Guerra, Marcelo; Emshwiller, Eve (2012). "Diversification of the American bulb-bearing Oxalis (Oxalidaceae): Dispersal to North America and modification of the tristylous breeding system". American Journal of Botany. 99 (1): 152–164. doi:10.3732/ajb.1100152. ISSN 0002-9122. JSTOR 41415347. PMID 22186183.
  12. ^ Weller, S. G.; Sakai, A. K.; Gray, T.; Weber, J. J.; Tsyusko, O. V.; Domínguez, C. A.; Fornoni, J.; Molina-Freaner, F. E. (January 2016). Byers, D. (ed.). "Variation in heterostylous breeding systems in neighbouring populations of Oxalis alpina (Oxalidaceae)". Plant Biology. 18 (1): 104–110. doi:10.1111/plb.12340. PMID 25924801.
  13. ^ Pérez-Alquicira, J.; Molina-Freaner, F. E.; Piñero, D.; Weller, S. G.; Martínez-Meyer, E.; Rozas, J.; Domínguez, C. A. (October 2010). "The role of historical factors and natural selection in the evolution of breeding systems of Oxalis alpina in the Sonoran desert 'Sky Islands': Evolution of breeding systems of O. alpina". Journal of Evolutionary Biology. 23 (10): 2163–2175. doi:10.1111/j.1420-9101.2010.02075.x. PMID 20840309.
  14. "Oxalis alpina - Alpine woodsorrel". cals.arizona.edu. February 16, 2020. Retrieved 2021-10-26.
  15. Bishop, Richard A.; Hungerford, Charles R. (1965). "Seasonal Food Selection of Arizona Mearns Quail". The Journal of Wildlife Management. 29 (4): 813–819. doi:10.2307/3798558. ISSN 0022-541X. JSTOR 3798558.
Taxon identifiers
Oxalis alpina
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