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Scale bar 10mm. Copyright CSIRO
Flowers and fruit. Copyright CSIRO
Cotyledon stage, epigeal germination. Copyright CSIRO
10th leaf stage. Copyright CSIRO
Adenostemma macrophyllum (Blume) DC.
Candolle, A.P. de (1836) Prodromus 5: 113. Type: ?.
Lavenia macrophylla Blume, Bijdragen tot de flora van Nederlandsch Indie: 905(1826), Type: Java?.
Usually flowers and fruits as a herb but occasionally flowers as a shrub about 1 m tall.
Leaf blades about 11.5-12 x 6.5-7 cm, petioles slender, about 2.5-3.5 cm long, shallowly grooved on the upper surface. Lateral veins about 3-4 on each side of the midrib. Petioles and stems clothed in short tortuous hairs.
Inflorescence an open cyme of heads. Heads cup-shaped, clothed in glandular hairs. Flowers hermaphrodite. Calyx reduced to three paddle-shaped lobes. Corolla about 3 mm long, lobes less than 0.5 mm. Pollen white.
Cotyledons orbicular, about 7-9 mm diam. Petioles slender, about 2-4 mm long. First pair of leaves ovate, leaf blades about 25-30 x 15-20 mm, both the upper and lower surface sparsely clothed in short white hairs. At the tenth leaf stage: leaf blade about 7.5-9 x 6-6.5 cm, triangular to broadly ovate, apex acuminate to apiculate, base very attenuate. Petiole about 1.5-2 cm long, grooved on the upper surface. Stems, petioles and lower leaf blade surface densely clothed in simple, erect, hooked hairs.
Distribution and Ecology
Occurs in NEQ and southwards as far as south eastern Queensland. Altitudinal range from 150-1150 m. Grows in rain forest and wet sclerophyll forest in lowland and upland situations. Also found in Malesia.
Herb (herbaceous or woody, under 1 m tall)
Shrub (woody or herbaceous, 1-6 m tall)