Zieria granulata
Zieria granulata, commonly known as the Illawarra zieria, hill zieria or hilly zieria, is a plant in the citrus family Rutaceae and is endemic to the Illawarra region of New South Wales. It is a tall, bushy shrub distinguished by the wart-like tubercles that cover the entire plant, its linear leaflets and small white, four-petalled flowers.
Description
Zieria granulata is bushy, aromatic shrub which grows to a height of about or as high as in ideal conditions. The branches are covered with warty tubercles and the youngest branches are covered with short, silky hairs. Its leaves are composed of three more or less linear leaflets, with the middle leaflet long and about wide with the other leaflets smaller. The edges of the leaflets have small teeth and are curved downwards. The upper surfaces are dull green, hairy at first while the lower surface in whitish and covered with soft hairs. Both surfaces are covered with tubercles. The leaf stalk is long.The flowers are white and are arranged in groups of up to 180 flowers in leaf axils, each flower in diameter. The groups are shorter than the leaves and the flowers have four glabrous sepal lobes less than long. The four petals are long and in common with other zierias, there are only four stamens. Flowering occurs during spring and summer and is followed by fruit which is a dry, light brown capsule containing dark, reddish seeds about which have an ant-attracting elaiosome.