Libertia

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Libertia
Libertia grandiflora.JPG
Libertia chilensis
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Subfamily: Iridoideae
Tribe: Sisyrinchieae
Genus: Libertia
Spreng. 1824, conserved name not Dumort. 1822 (syn of Hosta ) nor Lej. 1825 (syn of Bromus )
Type species
Libertia ixioides
Synonyms [1]
  • TekelAdans.
  • TekeliaScop.
  • RenealmiaR.Br. 1810 not L. 1753 nor L.f. 1782
  • NematostigmaA.Dietr.
  • OrthrosanthusSweet
  • TaumastosRaf.
  • ChoeradodiaHerb.
  • EzeriaRaf.
Libertia peregrinans Libertia peregrinans 2.jpg
Libertia peregrinans

Libertia is a genus of monocotyledonous plants in the family Iridaceae, first described as a genus in 1824. [2] It is native to South America, Australia, New Guinea, and New Zealand. Eight species are endemic to New Zealand. [1] [3] [4]

Libertia is made up of herbaceous or evergreen perennials growing from short rhizomes, [2] with simple, linear or narrowly lanceolate basal leaves which are often green but may be red, orange, or yellow under direct sunlight. [5] The showy white or blue trimerous flowers are open in spring and are followed by capsules opening by three valves which contain the numerous seeds. [6]

The genus was named after the Belgian botanist Marie-Anne Libert [7] (1782–1865) (also referred to as Anne-Marie Libert). [8]

The species Libertia chilensis has gained the Royal Horticultural Society's Award of Garden Merit. [9] [10]

Species [1]
Selected formerly included [1]

Numerous names have been coined using the name Libertia, referring to species that are now regarded as better suited to other genera (Bromus Cardiocrinum Hosta Orthrosanthus).

Cytology

Libertia has a high rate of polyploidy, with 9/11 of assessed species confirmed as polyploid and only 3 confirmed as diploid. [3] This is not unprecedented, with polyploidy being a common feature in the tribe Sisyrinchieae. [13] The uniform base number of x=19 [13] is, however, defining within the tribe. This base number is not found elsewhere in the tribe and only Diplarrhena and Solenomelus have uniform base numbers intragenerically. [13]

All New Zealand endemic species of Libertia are diploid, hexaploid or dodecaploid, [14] [15] [16] [17] [3] while these levels of ploidy have not been found outside New Zealand. Polyploidy is more prevalent in New Zealand species across all botanical taxa [18] [19] and this has been attributed as a relic of glacial refugia during glacial maximums. [20]

DistributionSpeciesPloidy LevelChromosomal CountContention
South American L. chilensis 4x (6x)76 [15] (72, 114) [21] Due to numerous issues with this study, authors found the sample, identified as Libertia ixioides (New Zealand endemic) but collected from Chile, to have 72 chromosomes present. [22] This was most likely a misidentification of Libertia chilensis, with a further error in counting.

Samples from the Juan Fernandez Islands were found to have 114 chromosomes, in comparison to the 76 found on the mainland. [21]

South American L. colombiana No data available.No data available.
New Zealand endemic L. cranwelliae 12x228 [3]
New Zealand endemic L. edgariae 6x114 [3]
South American L. falcata No data available.No data available.
New Zealand endemic L. flaccidifolia 12x228 [14]
New Zealand endemic L. grandiflora 6x114 [17] (228, 230) [14] The 228/230 chromosome specimen was likely Libertia flaccidifolia, [17] before the 2009 naming by Blanchon and Weaver. [14]
South American L. insignis No data available.No data available.
New Zealand endemic L. ixioides 12x228 [17] (220-230, 230) [15] Due to the difficulty in counting chromosomes, authors found between 220 and 230 chromosomes in different counts, with 228 being the average count. [15]
New Zealand endemic L. micrantha 2x38 [15]
New Zealand endemic L. mooreae 6x114 [3]
Australian L. paniculata 4x76 [15]
New Zealand endemic L. peregrinans 6x114 [16]
Australasia L. pulchella 2x38 [16]
South American L. sessiliflora 2x38 [15]
South American L. tricocca No data available.No data available.
South American L. umbellata No data available.No data available.

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References

  1. 1 2 3 4 Kew World Checklist of Selected Plant Families
  2. 1 2 Sprengel, Curt Polycarp Joachim 1824. Systema Vegetabilium, editio decima sexta 1: 127 in Latin
  3. 1 2 3 4 5 6 7 8 9 Blanchon, D.J.; et al. (2002). "A taxonomic revision of Libertia (Iridaceae) in New Zealand". New Zealand Journal of Botany. 40 (3): 437–456. doi:10.1080/0028825x.2002.9512805. S2CID   83634447.
  4. 1 2 "Census of vascular plants of Papua New Guinea" . Retrieved 2010-01-01.
  5. ↑ "Stephen Butler | IGPS Blog". igpsblogs.wordpress.com. Retrieved 2017-03-12.
  6. ↑ Goldblatt; Henrich; Keating, Peter; James; Richard (1989). "Seed morphology of Sisyrinchium (Iridaceae-Sisyrinchieae) and its allies". Annals of the Missouri Botanical Garden. 76 (4): 1109–1117. doi:10.2307/2399695. JSTOR   2399695.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  7. ↑ Quattrocchi, Umberto (2006). CRC World Dictionary of Grasses, Common Names, Scientific Names, Eponyms, Synonyms, and Etymology. Vol. 1. Taylor and Francis. p. 124. ISBN   9781420003222.
  8. ↑ Manning, John; Goldblatt, Peter (2008). The Iris Family: Natural History & Classification. Portland, Oregon: Timber Press. pp. 215–16. ISBN   978-0-88192-897-6.
  9. ↑ "RHS Plantfinder - Libertia chilensis" . Retrieved 22 March 2018.
  10. ↑ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 60. Retrieved 14 March 2018.
  11. ↑ "Libertia paniculata". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  12. ↑ "Libertia pulchella". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  13. 1 2 3 Goldblatt; Takei, P.; M. (1997). "Chromosome cytology of Iridaceae-patterns of variation, determination of ancestral base numbers, and modes of karyotype change". Annals of the Missouri Botanical Garden. 85 (2): 285–304. doi:10.2307/2400005. JSTOR   2400005.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  14. 1 2 3 4 Blanchon; Weaver, D.J.; J.S. (2009). "Libertia flaccidifolia (Iridaceae), a new species from Mt. Tamahunga, Northland, New Zealand". New Zealand Journal of Botany. 47 (3): 317–324. doi:10.1080/00288250909509812. S2CID   86060799.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  15. 1 2 3 4 5 6 7 Blanchon, D.J. (2000). "Chromosome numbers in the genus Libertia". New Zealand Journal of Botany. 38 (2): 245–250. doi: 10.1080/0028825x.2000.9512681 .
  16. 1 2 3 Hair; Beuzenberg; Pearson, J.B.; E.J.; B. (1967). "Contributions to a chromosome atlas of the New Zealand flora - 9. Miscellaneous families". New Zealand Journal of Botany. 5: 185–196. doi: 10.1080/0028825x.1967.10428739 .{{cite journal}}: CS1 maint: multiple names: authors list (link)
  17. 1 2 3 4 Moore, L.B. (1967). "The New Zealand species of Libertia (Iridaceae)". New Zealand Journal of Botany. 5 (2): 255–275. doi: 10.1080/0028825x.1967.10428745 .
  18. ↑ Rendle; Murray, H.; B.G. (1989). "Chromosome relationships and breeding barriers in New Zealand species of Ranunculus". New Zealand Journal of Botany. 27 (3): 437–444. doi: 10.1080/0028825x.1989.10414124 .{{cite journal}}: CS1 maint: multiple names: authors list (link)
  19. ↑ Murray; Cameron; Standring, B.G.; E.K.; L.S. (1992). "Chromosome numbers, karyotypes, and nuclear DNA variation in Pratia Gaudin (Lobeliaceae)". New Zealand Journal of Botany. 30 (2): 181–187. doi: 10.1080/0028825x.1992.10412897 .{{cite journal}}: CS1 maint: multiple names: authors list (link)
  20. ↑ McQueen, D.R. (1992). "Disjunction of tree species in mountain forests, southern North Island, New Zealand: a review of paleobotanical evidence". Pacific Science. 46 (2): 269–275.
  21. 1 2 Sanders; Stuessy; Rodriguez, R.W.; T.F.; R. (1983). "Chromosome numbers from the flora of the Juan Fernandez Islands". American Journal of Botany. 70 (6): 799–810. doi:10.2307/2442929. JSTOR   2442929.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  22. ↑ Kenton; Heywood, A.; C.A. (1984). "Cytological studies in South American Iridaceae". Plant Systematics and Evolution. 146 (1–2): 87–104. doi:10.1007/bf00984056. S2CID   39542853.{{cite journal}}: CS1 maint: multiple names: authors list (link)
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