Poranthera microphylla Brongn.

Small Poranthera

Ann. Sci. Nat. (Paris) 29: 385 (1833) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Suberect or ascending annual herb to c. 15 cm high, glabrous, often somewhat glaucous. Leaves subopposite or opposite, sessile or with petioles to 1.5 mm long; lamina spathulate to obovate, 6–12 mm long, 1–4 mm wide, obtuse to rounded, usually shortly apiculate, margins flat to recurved; stipules entire, membranous, 0.8–1.3 mm long. Inflorescences of short racemes, 0.3–0.8 cm across; rachis usually elongating after anthesis; bracts narrow-obovate, to c. 4 mm long. Pedicels to c. 1.5 mm long, those of females elongating to c. 9 mm in fruit. Sepals usually 5, obovate, 0.5–1.5 mm long, white, green or pink. Petals oblanceolate, to c. 0.5 mm long, white or pink. Male flowers with 5 stamens, filaments free; female flowers with 3 deeply 2-partite styles. Capsule 1.5–2.5 mm diam., 3-lobed; seeds wedge-shaped, 0.5–1 mm long, tuberculate, white. Flowers mostly Sep.–Apr.

Brid, CVU, DunT, EGL, EGU, GipP, Glep, Gold, GGr, HFE, HNF, HSF, LoM, MonT, MuM, NIS, OtP, OtR, SnM, Strz, VAlp, VRiv, VVP, WaP, WPro, Wim. All states. New Zealand. Widespread and often locally common throughout most of the state in a wide variety of habitats from near sea-level to subalps, but generally replaced by P. oreophila at higher altitudes.

Source: Jeanes, J.A. (1999). Euphorbiaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
Updated by: Val Stajsic, 2018-08-30
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Rosanae
order Malpighiales
genus Poranthera
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Poranthera microphylla in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Poranthera microphylla in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present native
Murray Mallee present native
Wimmera present native
Glenelg Plain present native
Bridgewater present native
Victorian Volcanic Plain present native
Victorian Riverina 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
Wilsons Promontory present native
Highlands-Southern Fall present native
Highlands-Northern Fall present native
Otway Ranges present native
Strzelecki Ranges present native
Monaro Tablelands present native
Highlands-Far East present native
Victorian Alps present native
Snowy Mountains present native

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales
Australian Capital Territory