Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Isolepis subtilissima Boeckeler (1858)
Synonymy:
- ≡ Scirpus subtilissimus (Boeckeler) S.T.Blake, 8: 20 (1969)
- = Schoenoplectus merrillii Palla (1911)
- ≡ Scirpus merrillii (Palla) Kük. ex Merr. (1923)
Description
Small, fine-lvd tufts, from a much-branched, creeping rhizome up to 0.5 mm. diam. Culms filiform, 1–5–(9) cm. × 0.2–0.3 mm. Lvs 1–4, < or often > culms, c. 0.5 mm. wide, setaceous, channelled. Infl. apparently lateral, us. a solitary spikelet, occ. 2, subtending bract much > infl., up to 3 cm. long. Spikelets 1–2.5 × 1–1.5 mm., ovate, pale green. Glumes only slightly > 1 mm. long, ovate or elliptical, ± acute, pale cream and membr., or marked with red, keel green, prominent, occ. slightly excurrent, margins hyaline. Hypog. bristles 0. Stamens 1, occ. 2–3 in lowermost glumes of spikelet. Style-branches 3. Nut < 1 mm. long, c. 0.5 mm. wide, almost = glume, trigonous and prominently ribbed on dorsal angle, mucronate, pale straw-coloured.
[From: Moore and Edgar (1970) Flora of New Zealand. Volume 2 as Scirpus subtilissimus (Boeck.) S.T.Blake]
Biostatus
Indigenous (Non-endemic)
Bibliography
Blake, S.T. 1969: Studies in Cyperaceae. Contributions from the Queensland Herbarium 8: 1–48.
de Lange, P.J.; Rolfe, J.R.; Barkla J.W.; Courtney, S.P.; Champion, P.D.; Perrie, L.R.; Beadel, S.N.; Ford, K.A.; Breitwieser, I.; Schönberger, I.; Hindmarsh-Walls, R.; Heenan, P.B.; Ladley, K. 2018: Conservation status of New Zealand indigenous vascular plants, 2017. New Zealand Threat Classification Series. No. 22. [Not Threatened]
de Lange, P.J.; Rolfe, J.R.; Champion, P.D.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Norton, D.A.; Hitchmough, R.A. 2013: Conservation status of New Zealand indigenous vascular plants, 2012. New Zealand Threat Classification Series 3. Department of Conservation, Wellington. [Not Threatened]
Muasya, A.M.; Simpson, D.A. 2002: A monograph of the genus Isolepis R.Br. (Cyperaceae). Kew Bulletin 57(2): 257–362.
