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(Last Modified On 8/21/2013)
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(Last Modified On 8/21/2013)
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Genus
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Chione DC.
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PlaceOfPublication
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Prodr. 4: 461. 1830.
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Note
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TYPE: C. glabra DC.
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Synonym
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Crusea A. Rich., MWm. Mus. Natl. Hist. Nat., S6r. B, Bot. 5: 204. 1834, non Schlecht. & Cham. 1830. TYPE: C. glabra (DC.) A. Rich. Sacconia Endl., Gen. P1. 451. 1838.
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Description
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Trees or shrubs. Leaves often coriaceous, petiolate; stipules often briefly connate, small, caducous. Inflorescences terminal, cymose or corymbose, pe- dunculate; pedicels bracteolate. Flowers with hypanthium turbinate, the calycine
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Habit
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Trees or shrubs
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Description
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cup with 5 lobes, or the margin simply undulate; corolla reduced, funnel shaped, lacking hairs within, the lobes 5, imbricate, 2 of these exterior; stamens 5, the anthers large, exserted, dorsifixed, the filaments stout, inserted above the base of the tube; ovarian disc swollen, the style stout, the stigmas oblong, exserted, the ovary 2-celled, the ovules solitary, pendulous. Fruits drupaceous, 2-celled; seeds elongate, the testa membranous.
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Distribution
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occurs in Central America and in the West Indies.
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Note
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There are about 15 species in the genus. It is the most poorly collected among the genera of the Rubiaceae of Panama containing several species.
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Key
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a. Leaves with the lateral veins 4-9; petioles 0.5-1.5 cm long. b. Leaves with the lateral veins ca. 4, thickly coriaceous; fruits rotund ...... 1. C. buxifolia bb. Leaves with the lateral veins 5-9, papyraceous to coriaceous; fruits oblong or obovate oblong. c. Leaves with the lateral veins 5-6, the blades neither farinose punctate beneath nor barbate in the axils. d. Leaves with the largest blades to 3 cm wide; inflorescences with 2 branches; fruits ca. 2 cm long ...... 2. C. campanensis dd. Leaves with the largest blades ca. 7 cm wide; inflorescences with 3-5 branches; fruits ca. 1.4 cm long ...... 5. C. panamensis cc. Leaves with the lateral veins 7-9, the blades either farinose punctate beneath or barbate in the axils ...... 3. C. costaricensis aa. Leaves with the lateral veins 13-15; petioles 1.8-3.5 cm long ...... 4. C. darienensis
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