Melastoma affine
| Melastoma affine | |
|---|---|
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Myrtales |
| Family: | Melastomataceae |
| Genus: | Melastoma |
| Species: | M. affine |
| Binomial name | |
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Melastoma affine D. Don |
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| Synonyms | |
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Melastoma denticulatum |
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Melastoma denticulatum
Melastoma affine, also known by the common names blue tongue or native lassiandra, is a shrub of the Melastomataceae family. Distributed in tropical and sub-tropical forests of India, South-east Asia and Australia, it is a plant of rainforest margins. Bees are the principal pollinators of this species.
Melastoma affine was first described by Scottish botanist David Don in 1823. The taxonomy of the genus Melastoma is tricky, requiring a complete revision. Early genetics studies were published from 2001, through to recently, but a revision based on them has yet to be. In 2001 Karsten Meyer proposed a revision in which this species and other species were subsumed within the species Melastoma malabathricum.
In Australia, currently most authorities do not accept this; instead the naturally occurring populations in WA, NT, Qld and north eastern NSW remain recognised as this species M. affine, except by authorities in Qld.
It is found as a shrub to 2 m (6.6 ft) in height. The leaves are ovate and measure 6 to 12 cm (2.5 to 4.5 in) in length, and 2–4 cm (1–1.5 in) wide. Covered in fine hair they have longitudinal veins. Appearing in spring and summer, the flowers occur on the ends of branchlets and are purple with five petals and sepals. There are two sets of distinctive stamens, five opposite the petals and five opposite the sepals. The ones have long anthers with a bilobed appendage at their base. It produces 8mm long purple fruits that split open to expose a redish to purple flesh with many small seeds. The common name "blue tongue" refers to the edible purplish-black pulp within the fruit capsules which stains the mouth blue.
Melastoma affine is found from India through southeast Asia, Malaysia, Indonesia and into Australia. Within Australia, it is found from the Kimberleys in Western Australia, across the Northern Territory and Queensland, and reaches as far south as Kempsey on the New South Wales mid north coast. It grows in wet areas in sclerophyll forest.
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Wikipedia