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(Last Modified On 9/19/2013)
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(Last Modified On 9/19/2013)
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Species
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Meliosma glabrata (Liebm.) Urb.
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PlaceOfPublication
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Ber. Deutsch. Bot. Ges. 13: 212. 1895.
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Synonym
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Lorenzanea glabrata Liebm., Vidensk. Meddel. Danske Naturhist Kjbenhavn 1850: 71. 1850. TYPE: Costa Rica, Turrialba, Oersted (F-1999A; F. neg. 13373). Lorenzanea ira Liebm., Vidensk. Meddel. Dansk Naturhist Kj0benhavn 1850: 71. 1850. TYPE: Costa Rica, Naranjo, Oersted (not seen). Meliosma tonduzii Donnell Smith, Bot. Gaz. 55: 432. 1913. TYPE: Costa Rica, Tucurrique, 635-700 meliosma Tonduz 13368 (US, holotype; US, isotype). Meliosma panamensis Standley, Trop. Woods 10: 49. 1927. TYPE: Panama, Cooper & Slater 29 (US, ho- lotype; F, NY, isotypes). Meliosma ira (Liebm.) L. 0. Williams, Fieldiana, Bot. 31: 261. 1967.
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Description
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Tree 7-11 m tall, 15-30 cm d.b.h.; branchlets completely glabrous or with a few inconspicuous minute trichomes when very young. Leaves narrowly elliptic to oblong-obovate, 6.5-20(-32) cm long, 2-7.5(-1 1) cm wide, acute to short-acu- minate, cuneate at the base, chartaceous, entire or with a few remote teeth toward the apex, drying dark above, olive below, the main veins drying reddish brown below, the midvein impressed above, raised below, the secondary veins plane above and prominent below, 10-12(-13) on a side, tertiary venation prominulous below, glabrous; petiole glabrous, 1-3(-3.5) cm long. Inflorescence arising from branchlets below the leaves, paniculate, subappressed puberulous, 9-16 cm long, the individual flowers subsessile or the pedicels less than 1 mm long. Flowers white, drying black; sepals suborbicular, ciliate-fringed, otherwise glabrous, 1 mm long; outer petals narrowly ovate, thick, not thinner at the margins, the apex obtuse, 2.5-3 mm long, 2 mm wide, the inner petals thin, linear, 2 mm long; stamens 2, the narrow filaments ca. 1 mm long, the anther thecae short, thick, ca. 0.4 mm long, widely separated by the broad connective; ovary ellipsoid, glabrous, ca. 0.8 mm long, apically tapering to the 1.5-2 mm long style, the stigma usually minutely bilobed; disc obsolete. Fruit pyriform-globose, 1.5-2.5 cm long, 1.5-2 cm in diam.
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Habit
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Tree
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Note
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Meliosma glabrata occurs at low and intermediate altitudes in Panama (to 900 m) and Costa Rica (below 1,500 m). It is also reported by Cuatrecasas from coastal Colombia, probably ranging to western Ecuador where M. littlei Cuatre- casas seems inadequately distinguished. The Ecuadorian plant treated as M. panamensis in the Flora of Rio Palenque is actually M. occidentalis, as here interpreted, and the chromosome count for that species of 2n= 32 should be referred to M. occidentalis (see Goldblatt, 1979). Meliosma panamensis was described from lowland material which differs from M. glabrata only in its more conspicuously serrate, frequently slightly larger leaves. Leaf serration is too variable in this group to be accepted as the sole criterion for species recognition: most more or less topotypic material of M. panamensis has completely or essentially entire leaves and one leaf of the NY isotype is virtually entire. Only Wedel 710 matches the conspicuously serrate leaves described for M. panamensis. Probably Standley's description of the low- land Panamanian entity as new resulted from his misapplication (following Urban) of M. glabrata to the smaller-leaved upland species discussed above as M. ira.
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Distribution
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Panama and Costa Rica
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Specimen
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BOCAS DEL TORO: Changuinola Valley, Cooper & Slater 29 (F, NY). Almirante, Cooper 379 (F, NY), 565 (F, NY). Water Valley, Wedel 710 (F, MO). Rio Teribe, 400-800 ft, Kirkbride & Duke 492 (MO). COCLu: La Mesa, 2500 ft, Dwyer & Duke 8252 (F, MO). El Valle, 600 m, Lao 275 (MO). 3 km NE of El Valle, Mori & Kallunki 2972 (MO).
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