- Reference
- Sp.Pl. [Linnaeus] 2:673 (1753)
- Conservation Code
- Not threatened
- Naturalised Status
- Native to Western Australia
- Name Status
- Current
Erect perennial, herb or shrub, 0.2-1.5(-2) m high. Fl. yellow/orange, Mar to Dec. Variety of soils. Often near watercourses.
![Photograph of Waltheria indica L. Image](/science/timage/5106ic1.jpg)
Scientific Description
Herb or shrub, with hairy stems. Leaves 20-80 mm long, 5-25 mm wide, not lobed; margins serrate; hairy, with stellate hairswith scales absent, Sessile glands absent; 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). Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 4.5-5 mm long, the lobes fused less than half their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent, Terminal appendages absent, number of ribs absent. Corolla yellow or orange, 6-7 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, free and inserted at the base of the ovary; filaments present, 0-0.2 mm long; anthers 0.6-1 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. 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, wing absent. 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 and Avon Wheatbelt.
Distribution
- IBRA Regions
- Avon Wheatbelt, Carnarvon, Central Kimberley, Dampierland, Gascoyne, Great Sandy Desert, Indian Tropical Islands, Little Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Swan Coastal Plain, Tanami, Victoria Bonaparte.
- IBRA Subregions
- Ashburton, Berkeley, Cape Range, Chichester, Fitzroy Trough, Fortescue, Hamersley, Hart, Keep, Mackay, McLarty, Merredin, Mitchell, Mount Eliza, Pentecost, Perth, Pindanland, Purnululu, Roebourne, Rudall, South Kimberley Interzone, Tanami Desert, Wooramel.
- IMCRA Regions
- Canning, Kimberley.
- Local Government Areas (LGAs)
- Ashburton, Bayswater, Broome, Carnarvon, Cocos Islands, Derby-West Kimberley, East Pilbara, Exmouth, Halls Creek, Karratha, Mukinbudin, Port Hedland, Wyndham-East Kimberley.