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(Last Modified On 9/4/2013)
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(Last Modified On 9/5/2013)
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Genus
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Guettarda L.
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PlaceOfPublication
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Sp. PI. 991. 1753
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Note
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TYPE: G. speciosa L.
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Synonym
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Matthiola L., Sp. P1. 1192. 1753, not R. Brown, (1812. Nomen conserv., Cruciferae). TYPE: M. scabra L. Halesia P. Br., Civ. Nat. Hist. Jam. 205. 1756, nomen rejic. not J. Ellis ex L. 1759 (Nomen conserv., Styracaceae). Laugeria Jacq., Enum. P1. Carib. 2. 1760. TYPE: L. odorata Jacq.
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Description
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Trees or shrubs. Leaves occasionally ternate, usually petiolate; stipules de- ciduous. Inflorescences axillary, cymose, the flowers occasionally solitary, usu- ally secundly disposed or congested; bracteoles present or absent. Flowers with the hypanthium ovoid or globose, the calycine cup tubular, cupular or campan- ulate, truncate, edentate or 2-9-toothed; corolla funnelform or salverform, the tube elongate, the lobes 4-9, imbricate, 2 of them exterior; stamens 4-9, inserted in the tube, the anthers slender, dorsifixed, included, the filaments frequently wanting; style slender, the stigmas capitate or 2-lobed, the ovary 2-9-celled, the ovules 1 per cell, pendulous. Fruits drupaceous, globose, ovoid or oblong, thinly carnose, usually with a fine velvety indumentum, often acutely angular, the pu- tamen ligneous or bony, the testa membranous.
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Habit
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Trees or shrubs
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Distribution
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a genus of about 80 species, occurs throughout tropical America. It also occurs in New Caledonia (fide Willis 1966).
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Key
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a. Inflorescences with cymes 3-flowered; peduncles stout ...... 5. G. ramuliflora
aa. Inflorescences with cymes more than 3-flowered; peduncles slender.
b. Leaves with lateral veins 6-10.
c. Fruits obovate oblong, less than 2.2 cm long ...... 6. G. sanblasensis
cc. Fruits rotund, 7.0-1.5 cm in diam.
d. Leaves 10-16 cm long; petioles to 2 cm long ...... 2. G. foliacea
dd. Leaves 2.0-5.5 cm long; petioles to 0.7 cm long ...... 4. G. odorata
bb. Leaves with lateral veins 10-12.
e. Leaves glabrate above; fruits compressed rotund, ca. 2 cm long, not sharply angled ...... 3. G. macrosperma
ee. Leaves villose or villosulose above; fruits oblong, to 0.8 cm long, sharply angled ...... 1. G. chiriquiensis
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