Asterolasia is a genus of seventeen species of erect or prostrate shrubs in the family Rutaceae, and is endemic to Australia. The leaves are simple and arranged alternately, the flowers arranged in umbel-like groups on the ends of branchlets or in leaf axils, usually with five sepals, five petals and ten to twenty-five stamens. There are seventeen species and they are found in all Australian mainland states but not in the Northern Territory.
Correa alba, commonly known as white correa, is a species of shrub that is endemic to south-eastern Australia. It has egg-shaped to more or less circular leaves, erect white flowers arranged singly or in groups on short side branches, and green fruit.
Asterolasia hexapetala is a species of erect, spreading shrub that is endemic to the Warrumbungles in New South Wales. It has oblong to elliptical leaves with star-shaped hairs, especially on the lower surface, and white flowers arranged in small groups in leaf axils and on the ends of branchlets, the back of the petals densely covered with white, yellow or brown, woolly star-shaped hairs.
Phebalium squamulosum , commonly known as scaly phebalium or forest phebalium, is a species of shrub or slender tree that is endemic to eastern Australia. It has smooth branches covered with rust-coloured scales, linear to elliptical or egg-shaped leaves with the narrower end towards the base, and pale to bright yellow flowers in umbels with rust-coloured or silvery scales on the back.
Asterolasia trymalioides, commonly known as alpine star-bush, is a species of erect, sometimes prostrate shrub that is endemic to eastern Australia. It has leathery, narrow elliptical to circular leaves densely covered with star-shaped hairs on the lower surface, and yellow flowers arranged singly in small groups on the ends of branchlets, the back of the petals covered with brown, star-shaped hairs.
Philotheca salsolifolia is a species of flowering plant in the family Rutaceae and is endemic to New South Wales and the Australian Capital Territory. It is a shrub with crowded, more or less cylindrical leaves and pink to mauve flowers with a dark central stripe and arranged singly or in twos or threes on the ends of branchlets.
Phebalium glandulosum, commonly known as desert phebalium, is a species of shrub that is endemic to eastern Australia. It has glandular-warty stems covered with silvery to rust-coloured scales, wedge-shaped leaves that are scaly on the lower surface, and yellow flowers arranged in umbels on the ends of branchlets.
Philotheca angustifolia, commonly known as narrow-leaf wax flower, is a species of flowering plant in the family Rutaceae and is endemic to south-eastern Australia. It is a shrub with small leaves and white flowers with five egg-shaped petals in spring.
Phebalium brevifolium is a species of small shrub that is endemic to Western Australia. It has warty branchlets, sessile, wedge-shaped leaves and up to three white flowers arranged in umbels.
Phebalium obovatum is a species of spreading shrub that is endemic to Western Australia. It has thick, egg-shaped or elliptical leaves densely covered with silvery scales on the lower side and white flowers arranged in umbels with silvery or rust-coloured scales on the back.
Phebalium verrucosum is a species of shrub that is endemic to New South Wales. It has branchlets densely covered with white scales, narrow elliptic, oblong or linear leaves covered with white scales on the lower side, and umbels of creamy white flowers with silvery or rust-coloured scales on the back of the petals.
Phebalium woombye, commonly known as wallum phebalium, is a species of shrub that is endemic to eastern Australia. It has branchlets covered with scales and star-shaped hairs, elliptical leaves, and white to pink flowers arranged in umbels of four to ten flowers.
Asterolasia beckersii, commonly known as Dungowan starbush, is a species of erect shrub in the family Rutaceae and is endemic to a restricted area of New South Wales. It has woolly, star-shaped hairs on its branchlets, egg-shaped to lance-shaped leaves with the narrower end towards the base and covered with star-shaped hairs, and white flowers arranged singly in leaf axils, the back of the petals covered with star-like hairs.
Asterolasia buckinghamii is a species of slender, erect shrub in the family Rutaceae and is endemic to eastern New South Wales. It has star-shaped hairs on its young branches, broadly egg-shaped, hairy leaves and yellow flowers with rust-coloured, star-shaped hairs on the back of the petals.
Asterolasia buxifolia is a species of spindly shrub in the family Rutaceae and is endemic to a restricted area of eastern New South Wales. It has star-shaped hairs on its stems, leathery leaves and yellow flowers arranged singly in leaf axils with star-shaped hairs on the back of the petals.
Asterolasia correifolia is a species of erect shrub that is endemic to eastern Australia. It has white to brown star-shaped hairs on its stems, lance-shaped to elliptical leaves densely covered with white star-shaped hairs on the lower surface, and white to cream-coloured or yellow flowers arranged in umbels of four to ten or more in leaf axils, the back of the petals densely covered with white hairs.
Asterolasia grandiflora is a species of weak, open shrub or sub-shrub that is endemic to the southwest of Western Australia. It has oblong, elliptical or egg-shaped leaves and pink to mauve flowers arranged in umbels of about three flowers with a thick covering of star-shaped hairs on the back of the petals.
Asterolasia pallida is a species of woody, perennial herb that is endemic to the southwest of Western Australia. It has elliptical leaves and white flowers arranged in umbels of three to six with star-shaped hairs on the back of the petals and fifteen to twenty-five stamens.
Asterolasia phebalioides, commonly known as downy starbush, is a species of shrub in the family Rutaceae and is endemic to south-eastern continental Australia. It has densely crowded heart-shaped to wedge-shaped leaves densely covered with star-shaped hairs, and single yellow flowers borne on the ends of branchlets with star-shaped hairs on the back of the petals.
Philotheca difformis is a species of flowering plant in the family Rutaceae and is endemic to continental eastern Australia. It is a shrub with variably-shaped leaves depending on subspecies, and white flowers arranged singly or in groups of up to four on the ends of the branchlets. Subspecies difformis is commonly known as the small-leaf wax-flower.
