Elaeodendron australe, commonly known as red olive-berry, red-fruited olive plum, or blush boxwood,[2] is a species of flowering plant in the family Celastraceae and is endemic to eastern Australia. It is a shrub or small tree with egg-shaped to oblong leaves with a wavy margin, yellowish green male and female flowers on separate plants and fleshy orange-red fruit.
Description
Elaeodendron australe is a shrub or small tree that typically grows to a height of 8 m (26 ft) and has separate male and female plants. The leaves are mostly arranged in opposite pairs and are egg-shaped to elliptic or oblong with a wavy edge, 27–150 mm (1.1–5.9 in) long and 4–70 mm (0.16–2.76 in) wide on a petiole 4–10 mm (0.16–0.39 in) long. Elaeodendron australe is dioecious; that is, male and female flowers are borne on separate plants. The flowers are arranged in cymes in leaf axils, on a peduncle up to 12 mm (0.47 in) long, each flower on a pedicel 3–7 mm (0.12–0.28 in) long. The four petals are yellowish-green, about 4 mm (0.16 in) long. Male flowers have four stamens and female flowers have four staminodes. Flowering occurs in spring and summer and the fruit is a fleshy, oblong to oval, orange-red drupe 10–25 mm (0.39–0.98 in) long. The fruit is ripe from March to July and often persists on the tree for many months.[2][3][4][5]
Elaeodendron australe Vent. var. australe[8] that has leaves less than four times as long as broad, and mostly more than 15 mm (0.59 in) wide;[3]
Elaeodendron australe var. integrifolium (Tratt.) DC. (previously known as Portenschlagia integrifolia)[9][10] that has leaves more than four times as long as broad, and less than 15 mm (0.59 in) wide.[3]
Distribution and habitat
Red olive-berry grows in eucalypt and rainforest ecotone areas, and in littoral or dry rainforest. It is found in north-eastern and central eastern Queensland and as far south as Tuross Head in New South Wales. An unusual thick-leaved form occurs in Mount Kaputar National Park and nearby western slopes and dry tableland gorges.[2][3][5]
Use in horticulture
Seed germination is very slow, but reliable with around a 25% success rate after twelve months.[5]
^Jessup, Laurence W. "Cassine australis (Vent.) Kuntze". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 14 September 2020.
^ abcFloyd, Alexander G. (1989). Rainforest Trees of Mainland South-eastern Australia. Victoria: Inkata Press. p. 88. ISBN0909605572.
^Ventenat, Étienne Pierre (1805). Jardin de la Malmaison. Paris: De l'imprimerie de Crapelet, et se trouve chez l'auteur. p. 117. Retrieved 14 September 2020.
