Anthosachne rectiseta (Nees) Barkworth & S.W.L.Jacobs APNI* Synonyms: Anthosachne australasica Steud. APNI*
Anthosachne australasica var. typica (Steud.) C.Yen & J.L.Yang APNI*
Elymus scaber subsp. rectisetus (Nees & Lehm.) S.Wang & Henwood ms. APNI*
Elymus rectisetus (Nees) A.Löve & Connor APNI*
Festuca rectisecta (Nees) Walp. APNI*
Vulpia rectisecta Nees APNI*
Description: Loosely tufted perennials to 1.5 m tall.
Sheaths glabrous or hairy; auricles 0–2.4 mm long; ligule 0.2–1.2 mm long, membranous; blade flat or rolled, 2–7 mm wide.
Inflorescence a slender, often curved spike, 9–35 cm long, with 1–20 spikelets solitary at the nodes, scarcely overlapping. Spikelets 6–12-flowered, 35–100 mm long (excluding awns). Glumes unequal, obtuse to acuminate, scabrous on the nerves, lower 1.3–12 mm long, 3–6(-7)-nerved; upper glume 2–12.6 mm long, 4–8-nerved. Lemmas rounded on the back, faintly 5(-7)-nerved, 8–20 mm long, scabrous, tapering into a scabrid awn that is straight to variously recurved when dry; lowest lemma with an awn (0.5-)2–50 mm long, the rest with awn (3-)15–60 mm long; callus usually narrowly triangular, distinctly hairy with hairs restricted to margins, dorsal surface rounded, tip not thickened, rachilla hairs covering callus base; palea 55–90% lemma length. Caryopsis 50–80% palea length.
Distribution and occurrence: Usually in woodland.
NSW subdivisions: NC, CC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP, NFWP, SFWP
Other Australian states: Vic. S.A. W.A.
Text by Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B., Grasses of New South Wales, Fourth Edition (2008), as Elymus rectisetus.
Taxon concept: Barkworth, M.E. & Jacobs, S.W.L. (2011). The Triticeae (Gramineae) in Australasia. Telopea. 13 (1-2): 37-56.
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
|
