Prodr. 417 (1810) APNI
Taxonomic status:Accepted
Occurrence status:Present
Establishment means:Native
Trailing to weakly ascending annual or perennial, stems to c. 50 cm long or more, pubescent (at least when young) along opposite lines on internerves and at nodes. Leaves oblong or narrowly elliptic 25–70 mm long, 2–8 mm wide, glabrescent; margins irregularly and minutely callus-toothed. Flowers in axillary spherical to ovoid spikes, 4–8 mm long; bracts and bracteoles acuminate, mostly 1–2 mm long; tepals equal, lanceolate, usually 2.5–3.5 mm long and under 1 mm wide, glabrous, white or pinkish, remaining free to base; fertile stamens usually 3, alternting with staminodes, rarely staminodes absent. Fruit broadly obcordate, c. 1 mm long, 1.5 mm wide. Flowers most of year, mainly Oct.–Jan.
CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MuF, MuM, MSB, NIS, OtP, OtR, RobP, VRiv, VVP, WaP, Wim. All States. Widespread and common almost throughout the lowlands, inhabiting margins of swamps, rivers etc.
Although usually distinctive, A. denticulata may be difficult to discern from A. sp. 1. As well as the features outlined in the key, the bracts, bracteoles and tepals of A. denticulata tend to be longer and relatively narrower than A. sp. 1.
Bioregion | Occurrence status | Establishment means | |
---|---|---|---|
Lowan Mallee | present | native | |
Murray Mallee | present | native | |
Wimmera | present | native | |
Glenelg Plain | present | native | |
Victorian Volcanic Plain | present | native | |
Victorian Riverina | present | native | |
Murray Scroll Belt | present | native | |
Robinvale Plains | present | native | |
Murray Fans | present | native | |
Gippsland Plain | present | native | |
Otway Plain | present | native | |
Warrnambool Plain | present | native | |
Goldfields | present | native | |
Central Victorian Uplands | present | native | |
Greater Grampians | present | native | |
Dundas Tablelands | present | native | |
Northern Inland Slopes | present | native | |
East Gippsland Lowlands | present | native | |
East Gippsland Uplands | present | native | |
Highlands-Southern Fall | present | native | |
Highlands-Northern Fall | present | native | |
Otway Ranges | present | native |
State |
---|
Western Australia |
Northern Territory |
South Australia |
Queensland |
New South Wales |
Australian Capital Territory |
Victoria |
Tasmania |