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Lachnagrostis billardierei (R.Br.) Trin. subsp. billardierei Family Poaceae
Common name: Coast Blowngrass

Lachnagrostis billardierei subsp. billardierei (R.Br.) Trin. APNI*

Synonyms: Dichelachne drummondiana Steud. APNI*
Deyeuxia billardieri (R.Br.) Kunth APNI*
Calamagrostis billardieri (R.Br.) Steud. APNI*

Description: Erect, glabrous, caespitose annuals or short-lived perennials to c. 50 cm tall.

Culms smooth except below the nodes and panicles, 3-noded. Sheaths rather loose especially in the upper part, striate, finely but densely scabrous; ligule obtuse, laciniate, 4–8 mm long; blade flat, linear, shortly acuminate, striate, 5–40 cm long, 2–8 mm wide.

Inflorescence divaricately branched, finally shortly exserted from the uppermost sheath, becoming very loose and straw-coloured, 10–30 cm long. Spikelets laterally compressed, 4.5–7.5 mm long, greenish, purplish or straw-coloured. Glumes scabrous on the keel, the lower rather longer. Lemma lanceolate, 4-toothed at the apex, c. 3–4.5 mm long; awn rather firm and twisted in the lower part, much exserted; palea c. 65% as long as lemma, 2-fid, lanceolate.


Herbarium
Sheet

Flowering: Spring.

Distribution and occurrence: South from Maclean.

Usually grows on sandy soils near the sea.
NSW subdivisions: NC, CC, SC
Other Australian states: Vic. Tas. S.A.
AVH map***

Text by Jacobs, S.W.L., Whalley, R.D.B. & Wheeler, D.J.B.
Taxon concept: Grasses of New South Wales, Fourth Edition (2008).

The single subspecies in NSW. Characters and distribution as for the species in NSW.

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.
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