Class
Order
Family
Genus
Classification
Nomenclature
Scientific Name:
Hierochloe brunonis Hook.f., Bot. Antarct. Voy. I. (Fl. Antarct.) Part I, 93. t. 52 (1845)
Synonymy:
- = Hierochloe antarctica var. brunonis (Hook.f.) Zotov, Trans. Roy. Soc. New Zealand 73: 234 (1943)
Description
Lax tufts. Leaf-sheath glabrous, keeled, ± striate. Ligule 3–5 mm, membranous, rounded, abaxially hairy. Collar thick, glabrous. Leaf-blade 7–30 cm × 4–8 mm, tapering, ± strict, subconvolute, subcoriaceous, abaxially and on margins glabrous, adaxially prickle-toothed on edges of and between prominent flat-topped ribs. Culm to 50 cm, internodes glabrous. Panicle 5–12 cm, rather dense, scarcely spreading, ± nodding; branches usually binate at nodes, glabrous, lower branches subtended by lanceolate bracts; pedicels to 5 mm, scabrid to pilose above. Glumes subequal, ovate-lanceolate, acute, membranous, almost entirely scarious, keel toothed above, 3-nerved; upper 10–14 mm. Florets included by glumes, light brown at maturity. ♂ florets: lemma 6–7 mm, ovate-oblong, lobes erose 2–4 mm and scarious-tipped, ± appressed long hairs on keel above shorter below, margins sparsely ciliate; awns c. 6 mm, slender, ± straight, insertion c. 3 mm above base; palea 5–6 mm, ciliate apex bifid, keels hairy above; lodicules 1–1.25 mm, ovate-lanceolate, irregularly 1–2-lobed; callus short, hairs 0.5 mm appressed; anthers 2–3.3 mm. ☿ floret: lemma 4–5 mm, broadly ovate, glabrous, appressed shortly hairy at apex with slender subapical mucro 0–0.5–1 mm; palea ≈ lemma, ovate-oblong, 1-keel, hairy above; lodicules 0.6–1 mm, glabrous; anthers 1.3–2 mm; gynoecium: ovary c. 1 mm, stigma-styles 4.5–6.5 mm; caryopsis c. 2 mm, embryo c. 0.5 mm, hilum c. 0.5 mm.
[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing).]
Biostatus
Indigenous (Endemic)
Bibliography
de Lange, P.J.; Norton, D.A.; Courtney, S.P.; Heenan, P.B.; Barkla, J.W.; Cameron, E.K.; Hitchmough, R.; Townsend, A.J. 2009: Threatened and uncommon plants of New Zealand (2008 revision). New Zealand Journal of Botany 47: 61–96. [Naturally uncommon]
de Lange, P.J.; Norton, D.A.; Heenan, P.B.; Courtney, S.P.; Molloy, B.P.J.; Ogle, C.C.; Rance, B.D. 2004: Threatened and uncommon plants of New Zealand. New Zealand Journal of Botany 42(1): 45–76.
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. [Naturally Uncommon]
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. [Naturally Uncommon]
Hooker, J.D. 1844–1845: 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. I. Flora Antarctica. Part I. Botany of Lord Auckland’s Group and Campbell’s Island. Reeve, Brothers, London.
Zotov, V. D. 1973: Hierochloe R. Br. (Gramineae) in New Zealand. New Zealand Journal of Botany 11: 561–580.
Zotov, V.D. 1943: Certain Changes in the Nomenclature of New Zealand Species of Gramineae. Transactions of the Royal Society of New Zealand 73: 233–238.
