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(Last Modified On 4/8/2013)
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(Last Modified On 4/8/2013)
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Genus
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Tabernaemontana L.
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PlaceOfPublication
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Sp. PI. 210. 1753.
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Description
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Shrubs, or small trees, lacticiferous. Leaves opposite, non-glandular, pin- nately-nerved; petioles weakly perfoliate, ? glandular in the axils. Inflorescences cymose, compound, many-flowered, mostly axillary. Flowers small to medium- sized; calyx 5-lobed, the lobes equal, relatively small, bearing many squamellae; -corolla salverform, without appendages, the tube straight, the limb 5-lobed, sin- istrorsely convolute; stamens 5, included or ? exserted, attached midway or higher on the corolla tube, the anthers free and not agglutinated to the stigma, without an enlarged connective; gynoecium 2-carpellate, apocarpous, the ovary superior, the ovules numerous, the nectary shallow or absent, the style 1, the stigma umbraculiform below and capitate or pentagonal above. Fruit apocarpous, of 2 follicles, ? large and heavy; seeds many, naked, embedded in a fleshy aril.
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Habit
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Shrubs, or small trees
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Distribution
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A large genus of about 140 species in the American and African tropics.
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Note
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Many genera, reduced by various authors to sections and subgenera of Taber- naemontana, have been resurrected and segregated by Markgraf (for a complete discussion, see Notizbl. Bot. Gart. Berlin-Dahlem 12: 540-552. 1935; 14: 151-184. 1938). I have treated the relevant Panamanian taxa as follows: Bona- fousia and Ervatamia as distinct genera; Peschiera as synonomous with Taber- naemontana.
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Key
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a. Anthers yellow throughout, inserted near or below the middle of the corolla tube, wholly included; internodes conspicuously short, the leaves tending to be crowded at the tips of branches ....................... 1. T. arborea This content downloaded from 192.104.39.2 on Fri, 5 Apr 2013 12:38:26 PMAll use subject to JSTOR Terms and Conditions1970] FLORA OF PANAMA (Family 162. Apocynaceae) 67 aa. Anthers tinged with blue-green, inserted near the top of the corolla tube, some- times partially exserted; internodes not conspicuously short, the leaves not crowded at the tips of branches. b. Anthers half-exserted ........................ 2. T. amygdalifolia bb. Anthers included, or barely exserted . ................ 3. T. chrysocarpa
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