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(Last Modified On 3/22/2013)
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(Last Modified On 3/22/2013)
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Species
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Mauria heterophylla H.B.K.
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PlaceOfPublication
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Nov. Gen. Sp. PI. 7: 13, t. 606, 1824.-Fig. 6.
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Synonym
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Mauria suaveolens Poeppig in Poeppig & Endl., Nov. Gen. Sp. PI. 3: 77, 1845. Mauria puberula Tulasne, Ann. Sci. Nat., Bot., ser. 3, 6: 363, 1846. Mauria biringo Tulasne, loc. cit. 365. Sorindeia glaberrima Engler in Martius, Fl. Bras. 12(2): 392, 1876. Sorindeia venulosa (Marchand) Engler in Martius, loc. cit. Mauria heterophylla var. puberula (Tulasne) Engler in A. & C. DC., Monogr. Phan. 4: 328, 1883. Mauria biringo var. granatensis Engler in A. & C. DC., loc. cit. 329. Mauria glauca J. D. Sm., Bot. Gaz. 23: 5, 1897.
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Description
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Shrub or tree to 20 m high. Leaves with 1-4 pairs of petiolulate leaflets, rarely simple on the same plant, the rachis 2-20 cm long; lamina of leaflets variable in shape (ovate, elliptic, oblong, lanceolate, obovate), apically acute or acuminate, less frequently obtuse or rounded at the apex, basally cuneate to rounded, usually asymmetric at the base, membranous or coriaceous, entire, 4-15 cm long, 1.5-7 cm broad, glabrous or else pubescent along the main nerves below (when pubescent beneath often barbate in the axils of the secondary veins), the secondaries often ? equally dichotomizing toward the margin, the reticulation usually prominent on both surfaces. Panicles terminal and axillary (from the upper nodes), 6-32 cm long, many-flowered. Flowers a, the pedicels 1-3 mm long; calyx cupular, 1-2 mm long, persistent, the 5 shallow lobes broadly deltoid; petals 5, white or yellow, erect or ascending, ovate-lanceolate or oblong-lanceolate, acute or subacuminate, 2-4 mm long; stamens 10, shorter than the petals; disc rather broad, 10-crenulate; ovary ovoid, 1-1.5 mm long, the style short, fleshy, glabrous, the stigmatic region minutely papillose, the ovule strongly compressed. Drupes obliquely ellipsoid or ovoid, 5-13 mm long.
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Habit
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Shrub or tree
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Distribution
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Costa Rica, Panama and northern South America to Peru and Bolivia.
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Specimen
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CHIRIQUI: lianos on slopes of Volcan de Chiriqui Viejo & along Rio Chiriqui Viejo, Allen 993 (US); Llano del Volcan, Allen 3466 (F, MO, US); vic of El Boquete, Maxon 5017 (F., US), 5149 (F, US); pastures around El Boquete, Pittier 2897 (F, US); vic of Boquete, Llanos area just S of town, Stern et al. 1944 (MO); Rio Chiriqui Viejo valley, White 33 (MO), 55 (MO), 71 (F, MO), 234 (MO), White & White 99 (MO). DARIEN: vic of Campamento Buena Vista, Rio Chucunaque above confluence with Rio Tuquesa, Stern et al. 936 (MO, US).
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Note
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Examination of specimens of Mauria biringo, M. glauca and M. suaveolens, from Costa Rica, Panama and South America, deposited in MO, revealed no con- sistent morphological characters separating them from specimens of M. heterophylla. These species were based on leaf form and pubescence, characters which are often quite variable within a species and even on a single plant. The specific rank of these proposed segregates seems gravely in doubt and they have consequently been placed in the synonymy of M. heterophylla.
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