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Bothriochloa ewartiana (Domin) C.E.Hubb.
Family Poaceae
Common name: Desert Bluegrass

Bothriochloa ewartiana (Domin) C.E.Hubb. APNI*

Synonyms: Andropogon ewartianus Domin APNI*

Description: Caespitose perennial to 70 cm high.

Leaves with ligule membranous, c. 1 mm long; blade to 6 mm wide, slightly glaucous, midrib conspicuous.

Panicles 5–8 cm long. Racemes 4–11, to 7 cm long; peduncles shortly bearded in the axils, 2.5–7 cm long; joints and pedicels more than half the length of the sessile spikelet, with hairs to 3.5 mm long. Sessile spikelet 3.5–5 mm long, the callus shortly bearded. Lower glume acute to narrow-obtuse, densely long-hairy on the back in the lower 30–50%, sometimes with a depression or pit; margins of the upper glume inflexed, finely ciliate. Lower lemma hyaline, about 60% as long as the glumes. Upper lemma stipe-like, passing into a geniculate awn twisted in the lower part; awn c. 2–2.5 cm long. Anthers 3. Pedicellate spikelet sterile, rarely male, narrow-lanceolate, acute, about as long as the sessile spikelet. spikelet sterile, rarely male, narrow-lanceolate, acute, about as long as the sessile spikelet.


Herbarium
Sheet

Herbarium
Sheet

Flowering: summer.

Distribution and occurrence: Grows in dry woodland.
NSW subdivisions: NWS, NWP
Other Australian states: Qld W.A. S.A. N.T.
AVH map***

Text by S. W. L. Jacobs & C. A. Wall
Taxon concept: Flora of NSW 4 (1993)


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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