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Diplachne uninervia (J.Presl) Parodi
Family Poaceae
Diplachne uninervia (J.Presl) Parodi APNI*

Synonyms: Leptochloa fusca subsp. uninervia (J.Presl) N.Snow APNI*

Description: Annual or short-lived tufted perennial to c. 0.7 m high.

Culms smooth, branching from lower nodes.

Leaves with sheath becoming loose with age, mostly smooth; ligule membranous, to 6 mm long, becoming laciniate or ragged with age; blade inrolled or flat, to 4 mm wide, scaberulous. Inflorescence contracted at first, spreading later, to 30 cm long; rachis scabrous; branches appressed at first, spreading later; pedicel 0–0.5 mm long. Spikelets 3.5–5 mm long, florets 4–6 with the uppermost often reduced. Glumes unequal, lower 0.9–1.3 mm long, upper 1.8–2 mm long. Lemmas 1.8–2.5 mm long, apiculate, 3-nerved, glabrous on the back, lower 45% of margins with fine hairs to 0.3 mm long. Palea subequal to lemma, 2-keeled, keels scabrous.

Flowering: summer.

Distribution and occurrence: Grows in ditches and drains, only known from the Naval Arms Depot near Homebush Bay. Native of Amer.
NSW subdivisions: *CC, *CWS
AVH map***

Apparently salt-tolerant.

Text by S. W. L. Jacobs & K. L. MaClay
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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