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Cotyledon stage, epigeal germination. Copyright CSIRO
Flowers. Copyright Barry Jago
Habit, leaves and flowers. Copyright CSIRO
Flowers. Copyright CSIRO
10th leaf stage. Copyright CSIRO
Scale bar 10mm. Copyright CSIRO
Acsmithia davidsonii (F.Muell.) Hoogland
Hoogland, R.D. (1979) Blumea 25: 496. Type: ?.
Spiraeanthemum davidsonii F.Muell., The Australasian Journal of Pharmacy 2: 85(1887), Type: On the highest crest of Mount Bellenden-Ker; Sayer and Davidson.
Leaf blades about 8-14 x 3-6.5 cm, opposite or in whorls of three or four. Stipules narrow, about 0.5 cm long, and shed early. Domatia are foveoles often with hairs at the orifice. Midrib and main lateral veins depressed on the upper surface.
Cotyledons about 1-1.5 mm long, margin hairy. At the tenth leaf stage: leaves +/- elliptic or ovate, apex acuminate, base attenuate, margins lobed or coarsely serrate, hairy on both the upper and lower surfaces; stipules filiform, hairy.
Distribution and Ecology
Endemic to NEQ, restricted to the area between Mt Spurgeon and Innisfail. Altitudinal range from near sea level to 1550 m. Grows in a number of different types of well developed rain forest but appears to be more common in stunted rain forest on the mountain tops.
Shrub (woody or herbaceous, 1-6 m tall)