Isolepis aucklandica

Isolepis aucklandica is a species of flowering plant in the Cyperaceae family. It is native to New Zealand, Australia, Argentina, Peru, Colombia, Ecuador, Macquarie Island, the French Southern Territories of Saint Paul and Amsterdam Islands, and New Guinea.[2]

Isolepis aucklandica
Plate L[1]
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Isolepis
Species:
I. aucklandica
Binomial name
Isolepis aucklandica
Synonyms[2]

Isolepis subcucullata Berggr.
Scirpus aucklandicus (Hook.f.) Boeckeler
Scirpus muscosus Kirk
Scirpus subcucullatus (Berggr.) Berggr.

Description

It is a creeping, bright green, leafy, rhizomatous sedge which forms large patches of turf. The culms (10.0–80.0 by about 0.5 mm) are a bright green above, but red-brown towards the base. There are up to 6 leaves per culm, and the leaves are usually longer than the culms. The sheaths are often streaked with red, and sometimes entirely a dark red-purple. The inflorescence consists 1–2 narrow-oblong spikelets (1.0–4.0 by 0.5–2 mm) which are partly hidden by the base of the subtending bract which is up to 5 times length of spikelet. There are three stamens and three style-branches . The shining nut is 1–2 mm long by about 0.5 mm wide, triangular in cross-section with rounded angles, almost white to yellowish, or grey- to red-brown, and it tapers towards its black tip.[4]

It flowers from October to December and fruits from November to May.[4]

Habitat

It is found on the coast and up to 1300 m altitude, in boggy ground in forests and wetlands and seepages.[4]

Distribution

Within Australia, it is found in Tasmania, Victoria and New South Wales.[2]

Conservation status

This species was classified as "Not Threatened" in 2012 under the New Zealand Threat Classification System.,[4] and again in 2018.[5]

References
  1. Hooker, J.D. (1852) "Bot. Antarct. Voy. I. (Fl. Antarct.)". p. Plate 50.
  2. "Isolepis aucklandica Hook.f. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2020-01-12.
  3. Hooker, J.D. (1844) "Bot. Antarct. Voy. I. (Fl. Antarct.)". p. 88, t. 50.
  4. "Isolepis aucklandica | New Zealand Plant Conservation Network". nzpcn.org.nz. Retrieved 2020-01-12.
  5. Lange, Peter J. de; Rolfe, Jeremy R.; Barkla, John W.; Courtney, Shannel P.; Champion, Paul D.; Perrie, Leon R.; Beadel, Sarah M.; Ford, Kerry A.; Breitwieser, Ilse; Schönberger, Ines; Hindmarsh-Walls, Rowan (2018-05-01). "Conservation status of New Zealand indigenous vascular plants, 2017" (PDF). New Zealand Threat Classification Series. 22: 67. OCLC 1041649797.


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