Classification
 Nomenclature
Scientific Name:
Pentapogon crinitus (L f.) P.M. Peterson, Romasch. & Soreng in Peterson et al., J. Syst. Evol. 60: 17 (online) (2022)
Synonymy:
  • Anthoxanthum crinitum L.f., Suppl. Pl. 13: 90 (1782)
  • Dichelachne crinita (L.f.) Hook.f., Bot. Antarct. Voy. II. (Fl. Nov.-Zel.) Part I, 293 (1853)
  • Deyeuxia crinita (L.F.) Zotov, Trans. Roy. Soc. New Zealand 73: 234 (1943)
  • = Dichelachne forsteriana Trin. & Rupr. (1843) nom. superfl.
 Description

Light green, ± stout, moderately tall, extravaginal tufts or rosettes, leaves < ± nodding, narrow-plumed culms. Leaf-sheath light brown, with minute, soft, appressed, retrorse hairs. Ligule 0.5–1.5 mm, membranous, abaxially minutely scabrid, ± truncate, minutely ciliate, occasionally asymmetric. Leaf-blade to 40 cm × 1.5–5 mm, somewhat stiff, flat or slightly inrolled, gradually tapered, strongly ribbed, abaxially scabrid near tip, adaxially minutely scabrid on margins and ribs. Culm (30)–50–100–(120) cm, internodes glabrous or minutely scaberulous below panicle. Panicle 10–25 cm, erect, spike-like, light green to stramineous, densely branched, close-set erect branches hidden by spikelets pulled together by entwining awns; rachis, branchlets and pedicels closely short-scabrid; spikelets numerous, shining. Glumes very narrow, linear-lanceolate, silvery; lower 4.5–8–(9) mm, ⊬ lemma, often shortly aristate, upper 5.5–8.5–(10) mm, ≥ lemma, tip acuminate. Lemma (4.5)–5–7–(8) mm, minutely scabrid, tip scarcely bifid; awn 20–30 mm, light green to purple, inserted 1.5–3 mm below lemma tip, column straight, awn ± falcate and twisted about once. Palea 3–5 mm, very narrow, keels minutely scabrid near ciliate tip. Callus hairs to 0.7 mm. Rachilla prolongation to 0.1 mm. Lodicules 0.5–0.7 mm, membranous, elliptic, acute, apically ciliate. Anthers 1–3, (0.7)–1.0–2.0 mm in chasmogamous flowers, 0.2–0.9 mm in cleistogamous flowers. Caryopsis 2.0–2.5 × 0.3–0.4 mm; embryo 0.3–0.4 mm; hilum 1.9–2.3 mm. 2n= 70.

[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing). as Dichelachne crinita (L.f.) Hook.f.]

 Biostatus
Indigenous (Non-endemic)
 Bibliography
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. [as Dichelachne crinita (L.f.) Hook.f.] [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. [as Dichelachne crinita (L.f.) Hook.f.] [Not Threatened]
Edgar, E.; Connor, H. E. 1982: Dichelachne (Gramineae) in New Zealand. New Zealand Journal of Botany 20: 303–309. [as Dichelachne crinita (L.f.) Hook.f.]
Hooker, J.D. 1852–1853 ("1853"): 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. II. Flora Novae-Zelandiae. Part I. Flowering plants. Lovell Reeve, London.
Linnaeus, C. von, filius 1782 ("1781"): Supplementum Plantarum Systematis Vegetabilium. Orphanotrophe, Brunswig.
Peterson, P.M.; Soreng, R.J.; Romaschenko, K.; Barberá, P.; Quintanar, A.; Aedo, C.; Saarela, J.M. 2022: Phylogeny and biogeography of Calamagrostis (Poaceae: Pooideae: Poeae: Agrostidinae), description of a new genus, Condilorachia (Calothecinae), and expansion of Greeneochloa and Pentapogon (Echinopogoninae). Journal of Systematics and Evolution 60(3): 570–590. (Published online: May 2022)
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.