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Carex talbotii

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Species of grass-like plant

Carex talbotii
Conservation status

Declining (NZ TCS)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Species: C. talbotii
Binomial name
Carex talbotii
Kottaim.
Occurrence data from AVH
Synonyms

Carex talbotii, common name Berggren's sedge, is a species of sedge in the family Cyperaceae. It is endemic to New Zealand, being found on both the North and the South Islands.

Description

It is a small, tufted, dark red-purple or orange-red sedge. Its smooth culms (circular in cross-section) are 15-30 mm long are flattened above, and almost enclosed by light brown sheaths. The linear, almost flat leaves are 30-60 mm by 1-2.5-3 mm, with distinct nerves, and blunt apices. The terminal spike is male (on a peduncle) with the remaining sessile (or almost sessile) spikes being female, and crowded around the base of the male spike. The bracts which subtend the inflorescence are longer than it.

It flowers from October to February and fruits from October to June, and the nuts are dispersed by granivory and wind.

Distribution & habitat

It is found in the Central Ranges of the North Island. In the South Island it is found generally easterly from Lake Tennyson south. It is a montane to subalpine wetland species growing on the margins of lakes and streams.

Conservation status

Assessments under the New Zealand Threat Classification System (NZTCS), declared it to be "At Risk – Naturally Uncommon" (NU) in 2013, and in 2017 to be "At Risk - Declining" (Dec).

Gallery

  • AM AK AM AK
  • AM AK AM AK
  • Isolectotype: AM AK Isolectotype: AM AK

References

  1. ^ de Lange, P.J. et al."Conservation status of New Zealand indigenous vascular plants, 2017" (PDF). 2017. p. 9.
  2. "NZOR Name Details - Carex berggrenii Petrie". www.nzor.org.nz. Retrieved 14 November 2019.
  3. Petrie, D. (1885) Art. XLVII.—Description of New Species of Native Plants, Trans. & Proc. New Zealand Inst. 18: 297
  4. "Carex talbotii Kottaim. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 7 May 2024.
  5. ^ "Carex berggrenii | New Zealand Plant Conservation Network". nzpcn.org.nz. Retrieved 14 November 2019.
  6. Thorsen, M.J.; Dickinson, K.J.M.; Seddon, P.J. (2009). "Seed dispersal systems in the New Zealand flora". Perspectives in Plant Ecology, Evolution and Systematics. 11 (4): 285–309. doi:10.1016/j.ppees.2009.06.001. ISSN 1433-8319.

External links


Taxon identifiers
Carex talbotii
Carex berggrenii
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