Bromus inermis*

Bromus inermis* Leyss. Fl. Halens. 16 (1761).

Classification. (GPWG 2001) : Subfamily Pooideae. Tribe Bromeae.

Type of Basionym or Protologue Information: In pratis fertilibus succulentis Pomariis in den Pulverweiden im Amstgarten ad Belberg Crollwitz et alibi frequens,.

Key references (books and floras): [2002] D.Sharp & B.K.Simon, AusGrass, Grasses of Australia, [2008] S.W.L.Jacobs, R.D.B.Walley & D.J.B.Wheeler, Grasses of New South Wales (175), [2009] A.Wilson (ed.). Flora of Australia, Vol 44A. Poaceae 2 (89).

Illustrations: [2008] S.W.L.Jacobs, R.D.B.Whalley & D.J.B.Wheeler, Grasses of New South Wales, 4th edn (175).

Habit. Perennial. Rhizomes present, elongated. Culms 30–123 cm tall. Mid-culm internodes pubescent. Mid-culm nodes glabrous or pubescent. Leaf-sheaths glabrous on surface or hairy. Ligule an eciliate membrane. Leaf-blades 10–40 cm long, 4–11 mm wide. Leaf-blade surface scabrous, glabrous.

Inflorescence. Inflorescence compound, a panicle. Panicle ovate, dense, 10–28 cm long, 4–10 cm wide.

Spikelets. Spikelets pedicelled. Fertile spikelets many flowered, with at least 2 fertile florets (5–13), comprising 5–13 fertile floret(s), with diminished florets at the apex, oblong, laterally compressed, 15–30 mm long.

Glumes. Lower glume lanceolate, membranous, without keels, 1 -nerved. Upper glume lanceolate, 6–11 mm long, membranous, without keels or keeled, 3 -nerved.

Florets. Fertile lemma 8–13.5 mm long, without keel or keeled, 5–7 -nerved. Lemma surface glabrous or indumented. Lemma apex dentate, muticous or awned, 1 -awned. Median (principal) awn subapical or from a sinus, 2.5–10 mm long overall. Lodicules present. Anthers 3.

Continental Distribution: Europe, Africa, Temperate Asia, Tropical Asia, Australasia, Pacific, North America, and South America.

Australian Distribution: New South Wales.

New South Wales: Northern Tablelands, Southern Tablelands, North-Western Slopes, South-Western Slopes, North-Western Plains.

Notes. Cultivated as a fodder crop in parts of E and eastern central Europe, but of no economic importance in Australia.

Introduced. Naturalized in N.S.W. Native of Europe. Grows in disturbed areas. Flowers Nov.

AVH 2011


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