Zieria adenodonta
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Wikipedia links: Angiosperms > Eudicots > Rosids > Malvids > Sapindales > Rutaceae > Zieria adenodonta
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Overview:
Zieria adenodonta, commonly known as the Wollumbin zieria, is a plant in the citrus family Rutaceae and is endemic to eastern Australia
It is a dense, bushy shrub with leaves composed of three leaflets which are warty on the upper surface
In winter and early spring it has groups of five to eight flowers, each with four white petals, the groups usually shorter than the leaves
Common name: ...
Conservation status: ...
Etymology:
The name Zieria honours "John Zier, a Polish botanist, who assisted F.C. Ehrhart in his collection of plants of the Electorate of Hanover, 1780-83, and afterwards worked in London, where he died in 1793"
The specific epithet (adenodonta) is derived from the Ancient Greek words aden meaning "gland" and odous meaning "tooth"
Flowers
The flowers are white and are arranged in upper leaf axils, usually in groups of five to eight, but sometimes as many as 27
The groups are usually shorter than the leaves
There are four more or less hairy, triangular sepal lobes less than 1.0 mm long
The four petals are about 2.5 mm long and slightly hairy
In common with other zierias, there are only four stamens
Flowering occurs from May to September
Fruit:
The fruit which is a yellow-brown, egg-shaped capsule containing one black seed
Leaves:
The leaves are composed of three leaflets with the central one, 10–20 mm long and 1.5–3 mm wide with a stalk 3–7 mm long
The leaflets are dark green and warty on the upper surface, light green and not wary on the lower side
The edges of the leaflets are slightly rolled under and have small teeth
They have an unpleasant smell when crushed
Stem & branches:
Roots:
Habit:
A dense, bushy shrub which grows to a height of 3 m and has warty branchlets
Habitat:
Dense shrubby vegetation on steep slopes
Distribution:
Occurs in the Lamington National Park in Queensland and on Mount Warning in NSW
Additional notes:
Taxonomy and naming
Wollumbin zieria was first formally described in 1875 by Ferdinand von Mueller who gave it the name Zieria granulata var. adenodonta and published the description in Fragmenta phytographiae Australiae
In 2002, James Armstrong raised it to species status and published the change in Australian Systematic Botany
Sources of information: