Common name: Black-seeded Panic
Panicum bisulcatum Thunb. APNI*
Description: Semi-aquatic decumbent annual or short-lived perennial to 0.8 m high, the innovations extravaginal.
Leaves with sheath glabrous except ciliate along 1 margin; ligule membranous, truncate, few-ciliate at the apex, to 0.75 mm long; blade 4–13 mm wide.
Panicle at length exserted, to c. 25 cm long. Spikelets pedicellate, glabrous, lanceolate-elliptic, acute, 2.4–3 mm long. Lower glume c. 50% as long as the spikelet, broadly acute, triangular, usually 3-nerved; upper the shape and size of the spikelet, 5-nerved. Lower lemma sterile, subequal to the upper glume, usually 5-nerved, palea absent. Upper lemma c. 2 mm long, broad-elliptic, smooth, pallid to brown, readily disarticulating at maturity, finely and obscurely striolate, obscurely nerved. Grain purplish black.
Flowering: summer.
Distribution and occurrence: Grows in mud alongside streams.
NSW subdivisions: NC, CC, SC, NT, NWS
Other Australian states: Qld Vic.
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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