Arthragrostis brassiana var. brassiana

Arthragrostis brassiana var. brassiana

Inflorescence 16–30 cm long. Spikelets 3.8–5.2 mm long, 1–1.5 mm wide. Lower glume 3–3.2 mm long, lanceolate, 5-nerved. Upper glume 3.4–3.7 mm long, lanceolate, 7-nerved. Lower floret; lemma 3.8–5.2 mm long, chartaceous; palea vestigial (c. 0.5 mm long), with a rounded apex. Upper floret: lemma 1.5–2 mm long, decidedly firmer than glumes, coriaceous, smooth, oblong.


Additional specimens examined: Queensland. Cook District: Newcastle Bay, 2.5 miles [4 km] S of Somerset, May 1948, Brass 18712 (A, BRI); Lockerbie, 10 miles [16 km] W of Somerset, Apr 1948, Brass 18495 (A, BRI); Jardine River, May 1948, Brass 18875 (A, BRI); Shipton’s Flat, Sep 1948, Brass 20166 (A, BRI). Burke District: Esmeralda Station, Richmond – Croydon Road, Mar 2003, Kahler TH7828 & Appelman (BRI).


Distribution and habitat: Northern Queensland, mainly on Cape York peninsula with one record from the Burke District (Map 1). It occurs in coastal sand dunes and open woodland.


Phenology: Flowering May, July, September.

AVH 2012 © ALA

 

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith