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Scale bar 10mm. Copyright CSIRO
10th leaf stage. Copyright CSIRO
Cotyledon stage, epigeal germination. Copyright CSIRO
Habit, flowers and fruit. Copyright CSIRO
Crassocephalum crepidioides (Benth.) S.Moore
Moore, S. le M. (1912) The Journal of Botany: 211. Type: ?.
Gynura crepidioides Benth., Niger Fl.: 438(1849), Type: Africa.
Usually flowers and fruits as a herb but also flowers as a shrub about 1 m tall or more. Twigs and stems very pithy.
Leaf blades rather variable in size and shape, 10-20 x 5-10 cm. Midrib usually purple on the upper surface. Petioles grooved on the upper surface. Stems and twigs longitudinally ribbed. Midrib and lateral veins clothed with hairs on both the upper and lower surfaces of the leaf blade.
Cotyledons about 6-9 x 6-9 mm, petiole about 5 mm long. First pair of leaves alternate, margins toothed. At the tenth leaf stage: leaves lanceolate, apex acute, base attenuate, margins serrate. Lateral veins depressed on the upper surface. Septate hairs present on both the upper and lower surfaces of the leaf blade.
Distribution and Ecology
An introduced species originally from Africa and Madagascar, now naturalized in NEQ and southwards as far as coastal central New South Wales. Altitudinal range in NEQ from 200-1000 m. Usually grows as a weed of agricultural land and waste places but also found along roads in rain forest.
Herb (herbaceous or woody, under 1 m tall)
Shrub (woody or herbaceous, 1-6 m tall)