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(Last Modified On 5/29/2013)
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(Last Modified On 5/29/2013)
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Species
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Voyria aphylla (Jacq.) Pers.
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PlaceOfPublication
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Syn. P1. 1: 284. 1807. (As "Vohiria".)
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Synonym
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Gentiana aphylla Jacq., Select. Stirp. Amer. Hist. 87, pl. 60, Fig. 3. 1763. Voyria uniflora Lam., Tabl. Encycl. Meth. Bot. 1: 491. 1797. Exacum aphyllum (Jacq.) Willd. in L., Sp. P1., ed. 4 (i.e. 5). 638. 1797. Leiphaimos aphylla (Jacq.) Gilg in Engl. & Prantl, Nat. Pfl., ed. 1. 4(2): 104. 1895. Leiphaimos costaricensis Standl., Contr. U. S. Natl. Herb. 17: 433. 1914. Leiphaimos lutea Morton, Jour. Washington Acad. Sci. 27: 310. 1937.
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Description
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Herb to 20(-25) cm high; the stem white or yellowish, erect, simple, slender, terete, glabrous. Scales membranous, the opposite cauline scales connate for ca. 1/5-1/3 their length or less at the base, the cauline scales few, distant, narrowly ovate, acute apically, 5-8 mm long, much shorter than the internodes, glabrous. Flowers solitary, 5-merous, rather large to 6 cm long, the pedicels short or some- times elongated (when short, the calyx is said to be subtended by a pair of bracteoles, i.e. the upper pair of cauline scales); calyx hyaline, cylindric-cam- panulate, to 7.5 mm long, the lobes narrowly ovate-triangular, acute to acuminate apically, ca. 1/3 as long as the tube, the sinuses acute; corolla yellow, to 6 cm long, the tube narrowly cylindrical, longitudinally slightly ribbed, somewhat con- stricted above the ovary and below the anthers, to 48 mm long, the lobes spread- ing, ovate or narrowly ovate, acuminate at the apex, to 12 mm long, inconspicu-
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Habit
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Herb
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Description
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ously puberulous toward the base within; anthers sessile, inserted somewhat below the throat of the corolla tube, free (or sometimes coherent?), broadly oblong, ca. 1-1.25 mm long, exappendiculate; gynoecium to 4.2 cm long, the ovary substipitate, narrowly ellipsoid, to 20 mm long, eglandular, the style fili- form, to 22 mm long, the stigma capitate, ca. 1.5 mm in diameter. Capsule medially septicidal; seeds winged, filiform-fusiform, to 1 cm long.
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Distribution
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Costa Rica, Panama, northern South America and the West Indies.
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Specimen
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BOCAS DEL TORO: Near Chiriqui Lagoon in swampy land, Wedel 1153 (MO). COCLE': Cerro Pajita, region N of El Valle de Anton, 1100 m, Allen 3794 (MO). DARIEN: Cerro de Garagara, Sambu' basin, 500-974 m, Pittier 5654 (US).
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