Miconia gratissima Bentham ex Triana (1871: 101)
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https://doi.org/10.11646/phytotaxa.323.2.1 |
persistent identifier |
https://treatment.plazi.org/id/03FC87A2-FFB0-FFF9-74C4-F8FDFD6CFD5E |
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Felipe (2024-09-05 20:03:25, last updated by GgImagineBatch 2024-09-05 20:18:08) |
scientific name |
Miconia gratissima Bentham ex Triana (1871: 101) |
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24. Miconia gratissima Bentham ex Triana (1871: 101) View in CoL . ( Figure 2 O, 3 L.)
Treelet 2.30–5.10 m tall. Grayish brown rhytidome. Branches erect, cylindrical, not winged, rufous, full; branches, petioles, leaves abaxial surface, bracts, bracteoles, hypanthium and fruits with dendritic persistent trichomes. Leaves opposite, isophyllous; petioles striate 2.2–2.8 mm long; leaf blades 16.1–19.3 × 7.8–11.2 cm, chartaceous, discolored, symmetrical, oblong, base acute, apex slightly acuminate, margins entire, not ciliate, leaf veins 5, basal; ant domatia absent. Paniculate 9.2–16.5 × 4.1–9.1 cm, terminal; bracts ca. 3.5 mm long, oblong, caducous; bracteoles ca. 3 mm long. Flowers 5-merous; pedicel ca. 4.6 mm long; hypanthium ca. 12.1 mm long, urceolate, striate; petals 5.1–7 × 3.1–4.7 mm, white, obovate, symmetrical, apex rounded, base attenuate, margins not ciliate, glabrous; stamens 10, isomorphic, anthers 8.1–8.3 mm long, pinkish, sickle-shaped, curved, apex attenuate,1 apical pore, connective not prolonged, filament 5.8–7.1 mm long, glabrous; ovary ca. 3.9 mm, superior, placentation axillary, 5-locular, with glandular trichomes; style 13.8–16.6 mm long, straight, with glandular trichomes. Berry 9.6–10.8 × 5.2–8.4 mm, unripe fruit green, ripe fruit blackish or purple; seeds numerous, triangular.
Specimens examined:— BRAZIL. Amazonas , Manaus, RDS-Tupé, 02 November 2012, fl., A. L. Corrêa 90 ( EAFM!, HUAM!, INPA!) ; 02. November 2012, fl., A. L. Corrêa 91 ( EAFM!, HUAM!, INPA!) ; 05 December 2012, fl., A. L. Corrêa 103 ( EAFM!, HUAM!, INPA!) ; 07 December 2012, fl., A. L. Corrêa 120 ( EAFM!, HUAM!, INPA!) ; 31 January 2013, fr., A. L. Corrêa 137 ( EAFM!, HUAM!, INPA!) ; 01 February 2013, fl., A. L. Corrêa 158 ( EAFM!, HUAM!, INPA!) .
Distribution and habitat:— Nicaragua, Panama, Colombia, Venezuela, Guyana, Suriname, French Guiana, Bolivia ( Goldenberg et al. 2013) In Brazil it occurs in Amazonian forests ( Goldenberg & Caddah 2015). In the reserve, it occurs in “terra firme” plateaus on well drained, clay soil with a lot of organic matter.
Comments:— This species is frequent in the reserve. It can be recognized by the grayish brown rhytidome, 5- merous flowers and pinkish, sickle-shaped stamens.
Goldenberg, R., Almeda, F., Caddah, M. K., Martins, A. B., Meirelles, J., Michelangeli, F. A. & Weiss, M. (2013) Nomenclator Botanicus for the neotropical genus Miconia (Melastomataceae). Phytotaxa 106: 1 - 171. https: // doi. org / 10.11646 / phytotaxa. 106.1.1
Goldenberg, R. & Caddah, M. K. (2015) Miconia in Lista de Especies da Flora do Brasil. Jardim Botanico do Rio de Janeiro. Available from: http: // reflora. jbrj. gov. br / jabot / floradobrasil / FB 9666 (accessed 29 May 2017)
Triana, J. J. (1871) Les Melastomacees. Transactions of the Linnean Society of London 28: 1 - 188. https: // doi. org / 10.1111 / j. 1096 - 3642.1871. tb 00222. x
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