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(Last Modified On 10/25/2012)
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(Last Modified On 10/25/2012)
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Genus
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SYNGONIUM Schott
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PlaceOfPublication
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Wien. Zeitschr. Kunst 3:780. 1829.
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Description
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Scandent epiphytes, the caudices often greatly elongate, the internodes mostly long, the nodes emitting roots; earliest leaves ovate, the next sagittate, the adult ones trisect or pedatisect; petioles long, terete above, rather long-vaginate; blades varying from trisect to pedately 5- to 9-cleft, the primary lateral nerves of the segments spreading, forming 1-3 collective nerves; peduncles usually clustered, equaling or shorter than the spathe, pendent or recurved in fruit; spathes pale or yellowish green, rarely purplish, in fruit often turning bright red, the tube ovoid, slightly exceeding the pistillate inflorescence, the limb oblong-ovate, erect-spread- ing and open at anthesis, usually deciduous in fruit; spadix much shorter than the spathe, the pistillate inflorescence oblong-conoid, the staminate portion of the spadix longer than the pistillate, clavate, sterile at the base; flowers unisexual, naked; staminate flowers with 3-4 stamens, these connate to form a truncate- obpyramidal, 3- or 4-sided synandrium; connective of the anthers thick, the cells rounded or obtuse at the base, dehiscent below the apex of the connective by a short slit; pistillate flowers connate, the ovary obovoid or oblong-obovoid, nor- mally 2-celled, by abortion sometimes 1-celled; ovules 1 in each cell, erect, anatropous; stigma convex or hemispheric, sometimes 2- or 3-emarginate; fruits baccate, connate into an ovoid syncarp; seed obovoid, borne on a very short funicle, the testa smooth, thin, black; endosperm none.
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Distribution
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A genus of about 15 species, confined to tropical America. Seven species are known from Central America.
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Key
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a. Adult leaves trisect - -- 1. S. HOFFMANNII aa. Adult leaves 5- to 11-cleft- -- 2. S. PODOPHYLLUM
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