Common name: Broad-leaved Snowgrass
Poa helmsii Vickery APNI*
Description: Coarse, strictly caespitose perennials with intravaginal and (less frequently) extravaginal, closely appressed shoots from a condensed rootstcok. Culms more or less strongly compressed, coarse, to c. 1.5 m tall.
Sheaths broad, strongly compressed and keeled upwards, striate, scabrid, becoming loose; ligule 0.5–2 mm long, firm, truncate; blade flat when fresh, 15–50(–80) cm long, linear, acute, strongly striate, margins scabrous.
Inflorescence to 35 cm long, more or less lanceolate, the branches falling mostly to one side. Spikelets 3–8-flowered. Glumes obtuse to acute or shortly acuminate, 3-nerved. Lemmas obtuse, 5-nerved, web usually well developed; palea finely scabrous on the upper keels.
Flowering: Flowers in summer.
Distribution and occurrence: Grows in wet places along mountain streams or soakage areas, chiefly in the Australian Alps and on adjacent ranges.
NSW subdivisions: SC, ST
Other Australian states: Vic.
Text by Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B. Taxon concept: Grasses of New South Wales, Fourth Edition (2008).
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.
|