Australian Tropical Rainforest Plants - Online edition

Oldenlandia polyclada (F.Muell.) F.Muell.

Herb (herbaceous or woody, under 1 m tall)

Mueller, F.J.H. von (1882) Systematic Census of Australian Plants : 74.


Low spreading densely branched perennial; branchlets quadrangular and hispidulous when young becomong nearly glabrous with age. Stipule-sheath 0.8-1 mm long, hispidulous with triangular lobes 1-1.5 mm long and with fimbriate margins.


Leaves sessile, 7-40 x 2-6 mm, discolorous, glabrous, apex mucronate and with a prominent midrib below.


Inflorescence a 2-8 -flowered fascicle; pedicels slender, 3-6 mm long. Calyx-tube subglobose, 1.3-1.5 mm diameter, glabrous with ovate-triangular lobes 2-8 mm long. Corolla pale rose coloured, infundibular to broadly tubular, sparsely pubescent outside; tube 2.5-4 mm long and sparsely pubescent inside; lobes linear to nearly lanceolate, 2.5-3.5 mm long, sparsely pubescent inside. Stamens exserted; filaments 1.5-2 mm long.Style exserted, 6-7 mm long.


Capsule subglobose, 2-2.5 mm diameter, glabrous and with spreading persistent calyx lobes. Seeds nuerous, depressed obconic, laterally compressed, 0.4-0.5 mm wide with a brown reticulate-areolate testa.


Features not available.

Distribution and Ecology

Occurs in NEQ and in the northern part of CEQ. Altitudinal range from 160-300 m. Grows along drainage lines in forest and vine thicket, occasionally in woodland.

Hedyotis polyclada F.Muell., Fragmenta Phytographiae Australiae 8(65): 146(1874), Type: Ad maris sinum Rockinghams Bay; Dallachy.
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