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(Last Modified On 7/31/2013)
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(Last Modified On 7/31/2013)
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Genus
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Gurania (Schlecht.) Cogn
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PlaceOfPublication
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Bull. Soc. Roy. Bot. Belgique 14: 239. 1875.
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Synonym
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Anguria sect. Gurania Schlecht., Linnaea 24: 789. 1851.
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Description
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Dioecious, rarely monoecious, tendriled vines or lianas; stems 5- to 10-sulcate. Leaves petiolate, simple, entire, lobate, or 3- to 5-foliolate; tendrils simple. Staminate flowers axillary, in racemes, or umbelloid heads; calyx tubular, 5- lobate; corolla 5-lobate, the lobes erect or only spreading; stamens 2, sessile or subsessile, free, attached to the hypanthium wall, the anthers straight or repli- cate. Pistillate flowers in axillary, fascicles, racemes, umbelloid heads, or flow- ers solitary; calyx and corolla similar to the staminate flowers; ovary oblong, 3-carpellate, the ovules numerous, horizontal, the styles 2, connate, erect, the stigmas 2. Fruits oblong to fusiform, cylindrical, indehiscent; seeds elliptic ovate, compressed.
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Habit
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vines or lianas
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Distribution
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Gurania is a genus of about 75 tropical species with four occurring in Pan- ama.
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Note
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The genus is closely related to Psiguria and may not be distinct from it.
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Key
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a. Calyx lobes much shorter than hypanthium tube; staminate inflorescences usually produced at nodal region on old leafless, woody stems ...... 4. G. megistantha aa. Calyx lobes equalling or much longer than hypanthium tube; staminate inflorescences produced on leafy, herbaceous stems. b. Staminate flowers distinctly pedicellate; calyx lobes narrowly lanceolate; leaves usually 3-foliolate, rarely entire or 2- to 3-lobate ...... 1. G. coccinea bb. Staminate flowers sessile or subsessile; calyx lobes filiform; leaves 3- to 7-lobate. c. Corolla lobes subequalling calyx lobes; inflorescence pilose setose ...... 2. G. eriantha cc. Corolla lobes less than 12 the length of the calyx lobes; inflorescence pilose to pubescent ...... 3. G. makoyana
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