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Herbarium specimen. Copyright CSIRO
Flowers. Copyright Australian Plant Image Index (APII). Photographer: M. Fagg.
Cymbopogon ambiguus (Hack.) A.Camus
Camus, A.A. (1921) Revue de Botanique Appliquée 1: 290. Type: ?.
Andropogon exaltatus var. ambiguus Hack., Monographiae Phanerogamarum 6: 596(1889), Type: ?.
Scent grass; Lemon grass
Caespitose perennial to 2 m high, lemon-scented when crushed.
Panicle 20-80 cm long; spathes 15-40 cm long. Racemes erect or slightly divergent, 15-25 mm long, ± densely villous; joints and pedicels densely villous with hairs to 4 mm long. Sessile spikelets 6-7 mm long; callus with hairs to 1.5 mm long. Lower glume 7-9-nerved, glabrous; upper glume subequal to the upper glume. Lower lemma a little shorter, obscurely 2-nerved; upper lemma sub-stipe-like, 2-lobed, awned between the lobes; awn 12-15 mm long. Pedicellate spikelets c. 3.5 mm long and 0.5 mm wide, with a 9-nerved lower glume and very small upper glume, or upper glume absent.
Features not available.
Distribution and Ecology
Occurs in WA, NT, CYP, NEQ, CQ and NSW. Altitudinal range from near sea level to 900 m. Grows in edges of rainforest, in Eucalypt forest, vine thickets, various types of woodland and in wooded grassland. Usually grows near watercourses. Also known from a few records in Timor.