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Nolina

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Nolina is a genus of tropical xerophytic flowering plants belonging to the family Asparagaceae. The native distribution of the genus includes most of Mexico and the southern regions of the United States.<ref name=":0" /><ref name="eFloras">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name=":7">Hochstätter, F. (2010). The genus Nolina (Nolinaceae). Piante Grasse 2010(1, Suppl.): 1-48.</ref><ref>Biota of North America Program, 2013 county distribution maps</ref><ref>Trelease, William. 1911. Proceedings of the American Philosophical Society 50(200)</ref> Especially in the USA, members of the genus are known as beargrasses,<ref name="ITIS">{{#if:42983 | {{#invoke:template wrapper|wrap|_template=cite web|_exclude=id,ID,taxon 

 | url = https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=42983
 | title = Nolina
 | publisher = Integrated Taxonomic Information System
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| Template:Citation error }}</ref> some of which are cultivated as ornamental plants.

Nolina species grow large rosettes of many leaves, with many species forming large, erect trunks, with some species branching to contain multiple rosettes of leaves. They are typically large plants, and are dioecious, with male and female flowers being produced on different plants.<ref name="eFloras" /><ref name=":7" /><ref>Template:Cite journal</ref>

The genus is named for 18th century French arboriculturist Abbé C. P. Nolin.<ref name="eFloras" />

ClassificationEdit

In the APG III classification system of plant taxonomy, Nolina is a member of the Asparagaceae family of plants, and within this family, Nolina is part of a subfamily, the Nolinoideae. In the past, many members of the Nolinoideae, including Nolina, were placed in the now defunct Ruscaceae family).<ref>Template:Citation</ref> Former alternative placements include Nolinaceae and Agavaceae.<ref name="eFloras" />

Previously, some botanists have included the genus Beaucarnea in Nolina, and over time, multiple species of both genera have been moved back and forth between the two genera. More recent molecular phylogenetic research found that Beaucarnea and Nolina are well supported by DNA and morphological evidence as being two distinct genera.<ref>Template:Cite journal</ref>

DescriptionEdit

Nolina are perennial plants, with some growing as tufts of leaves arising from near ground level with little or only a short above ground stem, whilst others grow in a tree-like manner forming a woody, leafless caudex or trunk of up to about 2-3m, that with age, may branch to form multiple branches. The shorter species, especially those not forming an above ground stem, usually form colonies, often with many rosettes. The leaves are arranged into rosettes of many long, linear leaves, with the leaves being broader where they meet the stem.<ref name=":8">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

The inflorescence consists of a scape (or a bare stem arising from the leaf rosettes) of between 5-250cm length, with panicles of flowers, of 30 to 180cm in length, held along the scape. Each node holds 2-5 functionally unisexual flowers. The tepals are white, cream or light tan. The fruits are capsular, 3-locular, 3-lobed and often inflated.<ref name=":8" />

SpeciesEdit

As of November 2024, World Flora Online (WFO) lists the genus Nolina to contain 30 accepted species,<ref name=":4">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> with Plants of the World Online (POWO) recognising 35 accepted species.<ref name=":0">{{#invoke:citation/CS1|citation |CitationClass=web

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File:Nolina longifolia-1.jpg
Nolina longifolia

As of November 2024, the 35 accepted species of Nolina accepted by Kew/POWO are as follows:<ref name=":0" />

  1. Nolina arenicola Correll – Trans-Pecos beargrass - western Texas
  2. Nolina atopocarpa Bartlett – Florida beargrass - Florida`
  3. Nolina azureogladiata D.Donati - Oaxaca
  4. Nolina beldingi Brandegee - Baja California Sur
  5. Nolina bigelovii (Torr.) S.Watson – Bigelow's nolina - Sonora, Arizona, southern Nevada, southern California
  6. Nolina brandegeei (Trel.) L.Hern. - Mexico (Baja California)<ref name=":1">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  1. Nolina brittoniana Nash – Britton's beargrass - Florida
  2. Nolina caxcana Ruiz-Sanchez, P.Carrillo & L.Hern. - Mexico (Zacatecas, Jalisco)<ref name=":2">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  1. Nolina cespitifera Trel. - Coahuila, Zacatecas, Nuevo León
  2. Nolina cismontana Dice – Peninsular beargrass - southern California
  3. Nolina durangensis Trel. - Chihuahua, Durango
  4. Nolina erumpens (Torr.) S.Watson – Foothill beargrass - Chihuahua, western Texas
  5. Nolina excelsa García-Mend. & E.Solano - Oaxaca
  6. Nolina georgiana Michx. – Georgia beargrass - Georgia, South Carolina
  7. Nolina greenei S.Watson ex Trel. – Woodland beargrass - New Mexico, southern Colorado, northwestern Texas, panhandle of Oklahoma
  8. Nolina hibernica Hochstaetter & D.Donati - Tamaulipas, Nuevo León
  9. Nolina humilis S.Watson - Guanajuato, San Luis Potosí
  10. Nolina interrata Gentry – Dehesa beargrass - San Diego County, northern Baja California
  11. Nolina juncea (Zucc.) J.F.Macbr. - northern Mexico
  12. Nolina lindheimeriana (Scheele) S.Watson – Devil's shoestring, Lindheimer nolina - central Texas
  13. Nolina matapensis Wiggins - Sonora, Chihuahua
  14. Nolina micrantha I.M.Johnst. – Chaparral beargrass - Coahuila, Chihuahua, western Texas, southern New Mexico
  15. Nolina microcarpa S.Watson – Palmilla Sacahuista - Chihuahua, Sonora, Arizona, New Mexico, southwestern Utah
  16. Nolina nelsonii Rose - Tamaulipas
  17. Nolina orbicularis L.Hern. - Mexico (Guanajuato to San Luis Potosi)<ref name=":3">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  1. Nolina palmeri S.Watson - Baja California
  2. Nolina parryi S.Watson – Parry's beargrass - Arizona, southern California, Baja California, Sonora
  3. Nolina parviflora (Kunth) Hemsl. - central and southern Mexico
  4. Nolina pollyjeanneae Hochstätter - USA (Oklahoma)<ref>{{#invoke:citation/CS1|citation

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  1. Nolina pumila Rose - northern and central Mexico
  2. Nolina rigida Trel. - Mexico; apparently extinct
  3. Nolina robusta L.Hern. - Mexico (Querétaro to San Luis Potosí)<ref name=":5">{{#invoke:citation/CS1|citation

|CitationClass=web }}</ref>

  1. Nolina rodriguezii Ruiz-Sanchez, P.Carrillo & L.Hern. - Mexico (Jalisco)<ref name=":6">{{#invoke:citation/CS1|citation

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  1. Nolina texana S.Watson – Texas sacahuista - Texas, New Mexico, Oklahoma, Chihuahua, Coahuila
  2. Nolina watsonii (Baker) Hemsl. - Mexico (Tamaulipas, Guanajuato, San Luis Potosí)<ref>{{#invoke:citation/CS1|citation

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As of November 2024, the five species recognised by POWO not currently accepted by WFO are:<ref name=":4" /><ref name=":0" />

  • Nolina brandegeei (homotypic synonym: Nolina palmeri var. brandegeei Trel. in Proc. Amer. Philos. Soc. 50: 420 (1911))<ref name=":1" />
  • Nolina caxcana Ruiz-Sanchez, P.Carrillo & L.Hern.<ref name=":2" />
  • Nolina orbicularis L.Hern. - Mexico (Guanajuato to San Luis Potosi)<ref name=":3" />
  • Nolina robusta L.Hern. - Mexico (Querétaro to San Luis Potosí)<ref name=":5" />
  • Nolina rodriguezii Ruiz-Sanchez, P.Carrillo & L.Hern. - Mexico (Jalisco)<ref name=":6" />

Formerly placed hereEdit

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ReferencesEdit

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External linksEdit

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