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(Last Modified On 9/10/2013)
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(Last Modified On 9/10/2013)
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Genus
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Macrocnemum P. Br.
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PlaceOfPublication
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Hist. Jam. 165. 1756.
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Note
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TYPE: M. jamaicense L.
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Description
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Trees or shrubs, the branchlets terete. Leaves opposite, petiolate; stipules oblong or obovate. Inflorescences terminal or axillary, paniculate. Flowers with the calycine cup cup-shaped, the teeth 5, persistent; corolla funnelform or sal- verform, the lobes 5, in bud drawn in so as to give a maltese cross pattern in top view, spreading at anthesis, wider than long, pubescent within, valvate or redu- plicate; anthers oblong, included, the filaments partly villose; ovary 2-celled, the ovules numerous. Fruits capsular, bisulcate, dehiscing loculicidally into 2 valves; seeds winged.
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Habit
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Trees or shrubs
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Distribution
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ranges from Central America to Colombia, and it also occurs in the West Indies.
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Note
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It is a genus of about 20 species, easily recognized by the configuration of the corolla lobes in the bud stage.
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Key
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a. Corolla tube glabrous outside; anthers ca. 1 mm long ...... 1. M. glabrescens aa. Corolla tube golden puberulent outside; anthers ca. 0.7 mm long ...... 2. M. pastoense
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