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Melastoma Malabathricum Subsp. Malabathricum

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Melastoma Malabathricum Subsp. Malabathricum Species information Abo ut Reso urces Hom e A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Melastoma malabathricum subsp. Click on images to enlarge malabathricum Family Melastomataceae Scientific Name Melastoma malabathricum L. subsp. malabathricum Meyer, K. (2001) Blumea 46(2): 364. Leaves and Flowers. Copyright B. Gray Common name Blue Tongue; Lasiandra, Native; Native Lasiandra; Rhododendron, Straits; Straits Rhododendron Stem Usually flowers and fruits as a shrub about 1-3 m tall. Leaves Leaf blades about 6-11 x 2-4 cm, clothed in simple, +/- prostrate hairs, more conspicuous on the upper than on the lower surface. Each leaf with a midrib and two major longitudinal veins plus two other longitudinal Leaf and fruit. Copyright CSIRO veins which could nearly be regarded as intramarginal veins. Large hairs on the twigs between the petiole bases resemble stipules. Flowers Calyx tube about 5-10 mm long, outer surface densely clothed in prostrate hairs while the inner surface is +/- glabrous. Calyx lobes about 4 mm long. Petals about 20-30 mm long. Stamens ten, dimorphic. Shorter stamens with glands at the base of the anther, longer stamens with glands on the filament about 6-7 mm from the base of the anther, and the filament between the anther and the gland is distinctly bent and curved. Anthers with a terminal pore. Fruit Fruit, side views. Copyright W. T. Cooper Capsules about 10 mm diam., +/- fleshy and splitting irregularly usually in the equatorial region. Seeds immersed in a dark, almost black, pulp. Seeds very small, about 0.5-0.6 mm diam., cochleate or U-shaped. Testa minutely tuberculate with the tubercles arranged in +/- longitudinal lines. Embryo +/- boomerang- shaped, cotyledons hooked at the apex, about as wide as the radicle. Two types of 'seeds' are produced, those with a pale testa are fully developed and viable and those with a red testa are empty and lack an embryo. Seedlings Cotyledons small, about 1.5-2 x 2-2.5 mm, petioles about 1 mm long, hypocotyl 4-angled, mainly glabrous, hairy on the angles. Stem terete and glabrous below the cotyledons but hairy and square in transverse section above them. First pair of leaves hairy, 3-veined. At the tenth leaf stage: leaf blade lanceolate-ovate, Scale bar 10mm. Copyright CSIRO apex acute or obtuse, base cuneate, margin ciliate, both the upper and lower surfaces of the leaf blade, stem and petiole clothed in pale prostrate hairs. Stipules (or stipule-like structures) filiform, hair-like. Seed germination time 14 to 42 days. Distribution and Ecology Occurs in WA, NT, CYP, NEQ, CEQ and southwards as far as north-eastern New South Wales. Altitudinal range from near sea level to 1100 m. Usually grows along roads or in disturbed areas in rain forest, monsoon forest or wet areas in open forest and heath. Also occurs in Asia and Malesia. Natural History & Notes Fruit eaten by Double-eyed Fruit-parrots. Cooper & Cooper (1994). Cotyledon stage, epigeal germination. Copyright CSIRO Commonly grows as an ornamental for its large pinkish purple flowers. Herb (herbaceous or woody, under 1 m tall) X Shrub (woody or herbaceous, 1-6 m tall) X Synonyms Melastoma malabathricum L., Species Plantarum 2: 390(1753), Type: Habitat in India. Melastoma malabathricum var. nanum F.M.Bailey, Queensland Agricultural Journal 28: 275(1912), Type: Queensland, Kuranda, Jan. 1912, F. Hamilton Kenny; syn: BRI. Melastoma malabathricum var. 10th leaf stage. Copyright CSIRO polyanthum (Blume) Benth., Flora Australiensis 3: 292(1867). Melastoma affine D.Don, Memoirs of the Wernerian Society of Natural History 4 : 288(1823), Type: Roxburgh s.n., India Orientalis. Melastoma novae-hollandiae Naudin, Annales des Sciences Naturelles, Botanique ser. 3, 13 : 290(1850), Type: Queensland, Moreton Bay, Verreaux, Catal. 571; holo: P. Fide Naudin (1850) Ann. Sci. Nat. Bot. ser. 3, 13: 290. Melastoma polyanthum Blume, Flora oder Allgemeine Botanische Zeitung 14: 481(1831), Type: Java, Blume s.n., holo: L. Fide R. C. Bakhuizen van den Brink, Jr., Meded. Bot. Mus. Herb. Univ. Utrecht 91: 68 (1943). RFK Code 3129 CC-BY Australian Tropical Herbarium unless otherwise indicated in the images. Cotyledon and 1st leaf stage, epigeal germination. Copyright CSIRO.
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