Waltheria indica L.
Sp.Pl. 2:673 (1753)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Wednesday 2 October 1996

Erect perennial, herb or shrub, 0.2-1.5(-2) m high. Fl. yellow/orange, Mar to Dec. Variety of soils. Often near watercourses.


Beard’s Provinces: Eremaean Province, Northern Province, South-West Province.

IBRA Regions: Avon Wheatbelt, Carnarvon, Central Kimberley, Dampierland, Gascoyne, Great Sandy Desert, Little Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Swan Coastal Plain, Tanami, Victoria Bonaparte.

IBRA Subregions: Ashburton, Avon Wheatbelt P1, Berkeley, Cape Range, Chichester, Fitzroy Trough, Fortescue, Hamersley, Hart, Mackay, McLarty, Mitchell, Mount Eliza, Ord, Ord-Victoria Plains P1, Pentecost, Perth, Pindanland, Roebourne, Rudall, South Kimberley Interzone, Tanami P1, Victoria Bonaparte P1, Wooramel.

IMCRA Regions: Canning, Groote, Kimberley.

Local Government Areas (LGAs): Ashburton, Bayswater, Broome, Carnarvon, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Karratha, Mukinbudin, Port Hedland, Wyndham-East Kimberley.

Scientific Description
Chris Hollister and Kevin Thiele, Tuesday 29 August 2017

Herb or shrub. Stems hairy. Leaves 20-80 mm long, 5-25 mm wide, not lobed; margins serrate; indumentum present, with stellate hairs; stipules present and persistent to older leaves, 3-15 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel absent (flower sessile). Calyx green, 4.5-5 mm long, the lobes fused less than half their length, stellate hairs present. Corolla yellow or orange, 6-7 mm long, glabrous. Stamens many, free and inserted at the base of the ovary; filaments present, 0-0.2 mm long; anthers 0.6-1 mm long. Ovary hairs and scales absent (ovary quite glabrous); style 1, with a lobed or capitate stigma, 0.8-1 mm long, with one style branches or lobes, mostly glabrous. Flowering time April, May, June, July or September. Distribution Botanical Province Northern, Eremaean or South-West, IBRA Bioregion Great Sandy Desert, Tanami, Pilbara, Carnarvon, Gascoyne, Little Sandy Desert, North Kimberley, Victoria Bonaparte, Central Kimberley, Dampierland, Ord-Victorian-Plain or Avon Wheatbelt.