Biology:Arytera divaricata
| Rose tamarind | |
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| Arytera divaricata at the Royal Botanic Gardens, Sydney | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Sapindales |
| Family: | Sapindaceae |
| Genus: | Arytera |
| Species: | A. divaricata
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| Binomial name | |
| Arytera divaricata F.Muell.
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| Synonyms | |
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Nephelium divaricatum (F.Muell.) Benth. | |
Arytera divaricata, known as the gap axe, coogara, coogera or rose tamarind is a forest tree of eastern Australia . An attractive plant with glossy pale and limp new leaves. It grows in fairly dry situations, often in littoral rainforests and monsoon forest.
The southernmost limit of natural distribution is Port Stephens (32° S) in New South Wales, extending north to Cape York at the northernmost tip of Australia. The generic name Arytera is from the Greek for 'cup'. The fruit valves are of a cup shape. The specific epithet divaricata is from the Latin and refers to the wide-spreading branchlets of the flower panicle.
Description
A small to large tree with dark mature leaves. Achieving a height of over 35 metres tall, though usually seen less than ten metres tall. The base of the tree is somewhat flanged. The bark is thin, smooth and greyish.
The leaves are pinnate and alternate, of two to six pairs of leaflets. Leaf shape is lanceolate to ovate, not toothed. Leaflets are 5 to 15 cm long, 1.5 to 6 cm wide, hairy and leathery, and usually not with a sharp point. They are shiny green above. New foliage is red, pink then yellow. The leaf stem is 3 to 6 mm long. The midrib is raised above and below. Leaves are distinctly veined, with 8 to 12 main lateral leaf veins.
Flowers form between November and April, being cream in colour, on wide and hairy panicles. The fruit is a capsule with three lobes. Brown oval-shaped seeds are enclosed in a red fleshy aril. The seeds mature from June to October. Seed germination is reliable, often taking only seven days for roots to show.
Uses
A decorative and ornamental tree.
References
- Floyd, A. G. (2008). Rainforest Trees of Mainland South-eastern Australia (2nd, Revised ed.). Lismore, New South Wales: Terania Rainforest Publishing. p. 382. ISBN 978-0-958943-67-3. http://rainforestpublishing.com.au/shop/rainforest-trees-of-south-eastern-australia/. Retrieved 2010-01-15.
- "Arytera divaricata". PlantNET - NSW Flora Online. http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Arytera~divaricata.
Wikidata ☰ Q4802725 entry
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