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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.

Red olive-berry
Leaves and female flowers in Coffs Harbour Botanic Garden
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Celastrales
Family: Celastraceae
Genus: Elaeodendron
Species:
E. australe
Binomial name
Elaeodendron australe
Synonyms[1]
  • Cassine australis (Vent.) Kuntze
  • Portenschlagia australis (Vent.) Tratt.
In Yatteyattah Nature Reserve
In Yatteyattah Nature Reserve
Habit in Coffs Harbour Botanic Garden
Habit in Coffs Harbour Botanic Garden

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]


Taxonomy


Elaeodendron australe was first formally described in 1805 by Étienne Pierre Ventenat in his book Jardin de la Malmaison.[6][7]

In 1825, de Candolle described two varieties in Prodromus Systematis Naturalis Regni Vegetabilis and the names are accepted by the Australian Plant Census:


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]


References


  1. "Elaeodendron australe". Australian Plant Census. Retrieved 13 September 2020.
  2. F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Elaeodendron australe var. australe". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 25 June 2021.
  3. Conn, Barry J. "Elaeodendron australe". Royal Botanic Garden Sydney. Retrieved 13 September 2020.
  4. Jessup, Laurence W. "Cassine australis (Vent.) Kuntze". Australian Biological Resources Study, Department of Agriculture, Water and the Environment: Canberra. Retrieved 14 September 2020.
  5. Floyd, Alexander G. (1989). Rainforest Trees of Mainland South-eastern Australia. Victoria: Inkata Press. p. 88. ISBN 0909605572.
  6. "Elaeodendron australe". APNI. Retrieved 14 September 2020.
  7. 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.
  8. "Elaeodendron australe var. australe". Australian Plant Census. Retrieved 14 September 2020.
  9. "Portenschlagia integrifolia". APNI. Retrieved 14 September 2020.
  10. "Elaeodendron australe var. integrifolium". Australian Plant Census. Retrieved 14 September 2020.

На других языках


- [en] Elaeodendron australe

[es] Cassine australis

Cassine australis[1] es un gran arbusto o pequeño árbol que crece desde Tuross Heads (35° S) cerca de Moruya, Nueva Gales del Sur hasta la costa central de Queensland. Se encuentra en bosques lluviosos de eucalyptus y áreas de ecotono, y en los litorales y bosques secos de Australia. Una forma inusual de hojas anchas crece en el parque nacional Monte Kaputar, cuestas occidentales cercanas a este y gargantas secas de mesetas.



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