Lobelia trigonocaulis—Forest Lobelia—CAMPANULACEAE.

Lobelia trigonocaulis

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Habitat—Grows in shady areas of sclerophyll forest, in rainforest and near creeks.

Distribution—North from Ourimbah district in New South Wales and Queensland.

Description—Creeping or trailing herb, sparsely hairy; branches usually 30 to 50 cm long, flattened.

Local occurrences

Barrington/Gloucester Tops and Wingham Brush.

Leaves.—Ovate or lower ones ± circular, usually 1 to 4 cm long, 10 to 35 mm wide, base cordate or truncate, margins coarsely or bluntly toothed to crenate; petiole 1 to 3.5 cm long.

Lobelia trigonocaulis
Lobelia trigonocaulis

Inflorescence— Raceme–like, 3–6-flowered; pedicels 2 to 6 mm long. Calyx lobes 2 to 4 mm long. Corolla usually 10 to 12 mm long, mauve–blue, throat ± pilose; 3 lower lobes oblong, 2 upper ones shorter, incurved and pilose. All anthers with apical tuft of short bristles. Ovary 1.5 to 2.5 mm long.

Flowering.—December to May

Fruit—Capsule ± globose, 3.5 to 5 mm long and diam., scarcely oblique; seeds c. 1 mm long.

Ripe.—Late Summer to Winter.