Stellaria angustifolia Hook.

Swamp Starwort

J. Bot. (Hooker) 1: 250 (1834) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Annual or semi-perennial, with slender taproot or horizontal rhizome, glabrous or scabrous; stems weak, straggling to ascending, single-stemmed or branched from base, 10–70 cm long. Leaves sessile, narrowly ovate to linear, (5–)10–50(–55) mm long, 1–2.5(–3) mm wide, margin entire or scabrous, apex acute but not pungent. Flowers solitary and axillary or in a (sometimes interrupted) monochasium or a dichasium; fruiting pedicel erect, (10–)15–55(–72) mm long; sepals (2–)3–8(–10) mm long, glabrous, apex acute, or subacute appearing hooded, not pungent, margins wide and scarious; petals 5, shorter than, equal to or exceeding the sepals; stamens 10. Capsule (3–)4–6(–7) mm long, 2–4(–4.5) mm diam., shorter than or exceeding sepals; valves slightly recurved at apex; seeds (4–)5–20(–34), (0.7–)1–1.4(–2) mm long, mid brown to ruby-red, tubercles medium to prominent in narrow flattened ridges, reticulate. Flowers Sep.–Nov.

CVU, DunT, EGU, GipP, Glep, Gold, HNF, HSF, MonT, MuF, MuM, MSB, NIS, OtP, RobP, SnM, VAlp, VRiv, VVP, WaP, Wim. Grows in swamps and seasonally flooded sites, and in damp areas of eucalypt forests.

Distinct from the European species Stellaria palustris Retz. which has erect, linear leaves; usually terminal, dichasial cymes; and inflorescence leaves ('bracts') markedly shorter, ovate to narrowly ovate and often scarious. 3 subspecies recognised, 2 present in Victoria, 1 presumed extinct.

Source: Miller, C.H.; West, J.G. (1996). Stellaria. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-01-22
 
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Distribution map

Victoria

Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Stellaria angustifolia in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Stellaria angustifolia in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
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
Dundas Tablelands present native
Northern Inland Slopes present native
East Gippsland Uplands present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Monaro Tablelands present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
State
South Australia
Queensland
New South Wales
Australian Capital Territory
Victoria
Tasmania