Dichanthium sericeum subsp. humilius (J.M.Black) B.K.Simon APNI* Description: Erect perennial to 1.2 m high.
Leaves with sheath sprinkled with tubercle-based hairs; ligule c. 1 mm long; blade 2–4 mm wide, sometimes sprinkled with tubercle-based hairs.
Racemes 1–6, often bluish and white-villous, 4–7 cm long; lowest pairs of spikelets sterile, reduced to the glumes, subpersistent; joints and pedicels with hairs increasing upwards to 1.5 mm long. Sessile spikelets c. 4 mm long; callus obtuse, shortly and densely bearded. Lower glume shortly pilose in the lower half, long ciliate on the keels in the upper part and on a transverse subapical arch with tubercle-based cilia to 6 mm long; upper glume subequal. Lower lemma c. 1.5–2.5 mm long, sterile; upper lemma stipe-like with an awn c. 25 mm long. Pedicellate spikelets sterile, c. 3 cm long, reduced to the glumes minutely scaberulous on the keels in the upper part.
Flowering: mostly summer.
Distribution and occurrence: Widespread, often on self-mulching clays.
NSW subdivisions: NWS, NWP
Other Australian states: Qld W.A. S.A. N.T.
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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