Great Brome

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Great Brome - Paul Gullan/Viridans Images

Bromus diandrus


Tufted introduced grass to 90 cm tall. Finely-pointed rough flat leaves to 25 cm long and 4-8 mm wide. Flowerheads up to 25 cm long and nodding.


Details
Flora Type
Grasses
Distinctive Features

Rough dull leaves often have visible purple stripes along the leaf veins. Flowerheads are very rough to touch with clusters of flower spikes very long, up to 10 cm.

Biology

Annual. Grows vigorously during spring, quickly goes to seed and dies off in early summer. Invades distrubed native vegetation and croplands very quickly and can become a dense infestation. Each plant can produce more than 3000 seeds.

Native Status
Introduced
Flowering Time

Sep-Nov

Taxonomy
Phylum
Tracheophyta (Vascular Plants)
Class
Magnoliopsida (Flowering Plants)
Order
Poales
Family
Poaceae
Genus
Bromus
Species
diandrus

Accidentally introduced into Australia around 1875 via seeds attached to livestock, in seed bags, or in ship ballast. Native of Mediterraneum and southwest Europe.


Interesting Facts
Native Status
Introduced