Carex erebus

Carex erebus (common name - Hookers bastard grass)[5] is a member of the sedge family and is found on the Antarctic Islands of Australia and New Zealand.[3][5]

Carex erebus
Plate LI (artist: Fitch)[1]

Naturally Uncommon (NZ TCS)[2]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Species:
C. erebus
Binomial name
Carex erebus
K.A.Ford[3][4]
Synonyms[5][4]

Uncinia hookeri Boott
Uncinia riparia R.Br. var. hookeri (Boott) Kük.

Distribution

It is found on Macquarie Island (Australia), and in New Zealand on Stewart Island, Antipodes Island, Auckland Islands and Campbell Island.[4]

Taxonomy

Carex erebus was first described in 1844 by Francis Boott as Uncinia hookeri in Joseph Hooker's Flora Antarctica.[4][1] In 2015, in order to make the genus Carex monophyletic, the genus, Uncinia, was sunk into Carex.[4] The name, Carex hookeri had already been published in 1837 for another species.[6] Hence a new species epithet was required: erebus was chosen, being the name of the ship (HMS Erebus) on which Hooker sailed on the Antarctic expedition of 1839-1843 when this species was first collected on the Auckland Islands.[4]

Conservation status

In both 2009 and 2012 it was deemed to be "At Risk - Naturally Uncommon" under the New Zealand Threat Classification System,[5] and this New Zealand classification was reaffirmed in 2018 (due to its restricted range) but with a further comment that it is secure overseas.[2]

References
  1. Hooker, J.D. (1844). "Uncinia hookeri". The Botany of the Antarctic Voyage of H.M. Discovery Ships Erebus and Terror in the Years 1839-1843 :under the Command of Captain Sir James Clark Ross. 1 (5): 91. Plate LI
  2. de Lange, P.J.; Rolfe, J.R.; Barkla, J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.M.; Ford, K.A.; Breitwieser, I.; Schönberger, .; Hindmarsh-Walls, R. (2018-05-01). "Conservation status of New Zealand indigenous vascular plants, 2017" (PDF). New Zealand Threat Classification Series. 22: 41. OCLC 1041649797.CS1 maint: numeric names: authors list (link)
  3. "Carex erebus K.A.Ford | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2020-01-27.
  4. Global Carex Group (2015). "Making Carex monophyletic (Cyperaceae, tribe Cariceae): a new broader circumscription". Botanical Journal of the Linnean Society. 179: 1–42. doi:10.1111/boj.12298. hdl:2027.42/113175.
  5. "Carex erebus | New Zealand Plant Conservation Network". nzpcn.org.nz. Retrieved 2020-01-30.
  6. Kunth, C.S. (1837). Enumeratio plantarum. 2. p. 490.


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