Lobelia purpurascens—White Root—CAMPANULACEAE.

Lobelia purpurascens

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Habitat—Grows in shady wet areas in wet sclerophyll forest, margins of rainforest, woodland and grassland; widespread.

Distribution—Victoria, New South Wales and Queensland.

Description—Glabrous herb, dioecious; stems procumbent or ascending, often > 30 cm long; with long white rhizomes.

Local occurrences

Australis Resort, Barrington/Gloucester Tops, Bennett Head, Black Head, Black Head Beach, Black Head Flora Park, Booti Hill, Brown's Creek Bicentennial Gardens, Burgess Beach, Burgess Road, Cape Hawke, Cellito, Charlotte Head, Cliff Road, Coocumbac Island, Copeland, Crowdy Bay National Park, Darawank Nature Reserve and Wetland, Diamond Beach, Diamond Beach LRF, Dixon Property, Elizabeth Beach, Golden Ponds Reserve, Goldens Road Wetlands, Great Lakes College-Tuncurry Campus, Karloo Street Reserve, Knappinghat Nature Reserve, Ohmas Bay, One Mile Beach, Pebbly Beach, Penenton Creek and Wetlands, Queen Elizabeth Park Taree, Red Head, Reservoir Hill Reserve, Royal Botanic Gardens Sydney, Sea Acres National Park, Second Head, Seven Mile Beach and Green Point, Talawahl Nature Reserve, Tern Island, The Sanctuary, Tonie's Gully, Tuncurry Dunes and Heath, Tuncurry Flora Park, Waitui Falls, Wallamba Cove, Wallingat National Park, Wingham Brush and Zamia Place Reserve.

Leaves.—Ovate to lanceolate, usually 1 to 2 cm long, mostly 4 to 10 mm wide, margins toothed, lower surface purplish; ± sessile.

Lobelia purpurascens
Lobelia purpurascens

Inflorescence.— Unisexual, axillary; pedicels 1 to 7 cm long, often reflexed in fruit. Calyx lobes 1.5 to 3.5 mm long, with basal tooth on each side. Corolla 8 to 10 mm long, pale purplish pink, bluish to lilac; lobes unequal, lower lobes oblong—obtuse, 2 upper ones erect, acuminate and incurved, shorter and half as wide as the upper pair. Male flowers with anthers glabrous except the lowest ones with 1 or 2 apical bristles; ovary rudimentary. Female flowers with smaller sterile anthers; ovary 2 to 4 mm long.

Flowering.—October to June.

Fruit.— 3 to 10 mm long, 3 to 6 mm wide, glabrous, tardily dehiscent, opening in 2 valves.

Ripe.—Late November to August.

Lobelia purpurascens