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(Last Modified On 7/2/2013)
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(Last Modified On 7/2/2013)
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Species
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Discophora guianensis Miers
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PlaceOfPublication
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Ann. Mag. Nat. Hist., ser. 2, 10: 118. 1852.
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Note
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TYPE: British Guiana, Parker s.n. (K).
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Synonym
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Kummeria brasiliensis Mart., Herb. 1276. 1837, nomen; Mart. ex Engl., Fl. Bras. 12(2): 52. 1872. TYPE: Brazil, Martius 1276 (M). Lasianthera amazonica Barbosa Rodriques, Vellosia 1: 12. 1891. TYPE: Brazil, Rodriques 337 (not seen). Discophora panamensis Standley, Publ. Field Columbiam Mus., Bot. Ser. 4: 222. 1929. TYPE: Panama, Cooper 613 (US-1486713, holotype).
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Description
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Trees or shrubs to 13 m tall; trunk to 10 cm diam.; branches lightly golden strigose. Leaves with petioles 10-25 cm long, stout, canaliculate, strigose to glabrate; blades oblong-lanceolate to elliptic-oblong, 15-30 cm long, 7-13 cm wide, coriaceous, olive brown, silvery- or golden-sericeous or pilose when young, becoming glabrate, the apex acute or acuminate with an acumen to 4 cm long and ultimately rounded, the base acute, rarely rounded, the primary veins 7-10 pairs, arcuate or ascending, the ultimate veins conspicuously reticulated and sharply prominent on both surfaces. Inflorescences paniculate, strongly branched from the base, rarely strict, densely golden-strigose, becoming glabrate and stout in fruit, the bracts lance-ovate or ovate, densely pubescent. Flowers with calyx campanulate, glabrous except for the apices of the teeth; petals cream yellow, obovate to elliptic, 2-3 mm long, glabrous except for minute pubescence on the inside of the inflexed acumen; functional stamens 3.5-4 mm long, the anthers broadly ovate, to 0.7 mm long, the stamens of pistillate flowers much smaller; functional pistil cylindrical or slightly angular and arcuate, 3 mm high, the basal lateral fleshy pulvinus to 1 mm high and surrounding about half of the ovary. Fruits drupaceous, 1-2 cm long, 0.8-1.0 cm wide, 0.9 cm thick, the putamen strongly 5-ribbed on the convex side.
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Habit
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Trees or shrubs
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Note
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Discophora panamensis originally was considered distinct on the basis of smaller leaves and more slender staminate inflorescences. Additional collections suggest these characteristics are not of taxonomic value. Discophora guianensis has been collected in Panama in flower in February, March, April, and May, and in fruit in July and August.
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Specimen
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BOCAS DEL TORO: Almirante, Buena Vista Camp on Chiriqui Trail, Cooper 613 (FM, GH, US). Chiriqui Lagoon, Fish Creek Mountains, von Wedel 2225 (GH, MO). CANAL ZONE: Near Maru Towers, Johnston 1504 (A, MO). Pavon Road, Johnston 1539 (A, MO). DARIEN: Pirre, Bristan 1230 (MO, OS); Duke & Elias 13671 (MO). PANAMA: 11 km above Pan-Am. Hwy. from El Llano to Carti-Tupile, Kennedy & Dressler 2950 (A, MO); Kennedy et al. 3111 (A); Liesner 1176 (A, MO). SAN BLAS: El Llano-Carti road, 24.5-25 km from Interam. Hwy., Mori & Kallunki 5532 (A, MO).
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