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Flora of the Venezuelan Guayana

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ANNONACEAE

7. EPHEDRANTHUS S. Moore, Trans. Linn. Soc. London, Bot. 4: 296, pl. 21. 1895.

by Paul E. Berry

Shrubs or trees with indument of simple hairs. Leaves shortly petiolate, the midvein prominent on the lower surface. Flowers solitary and axillary, staminate, pistillate(?), or bisexual (plants dioecious or androdioecious); receptacle hemispheric; pedicels short, articulated, with 4--6 bracts, these mostly below the (sub)basal articulation but at least one above. Sepals 3, free, imbricate; petals 6, free, subequal, oblong to orbicular, membranous, imbricate. Stamens numerous; anthers not locellate, the connective dilated and disciform at the apex. Carpels numerous, free, each carpel with a single, basal, erect ovule; stigmas capitate, sessile. Monocarps various, free, stipitate.

Colombia, Venezuela, Guyana, Suriname, French Guiana, Peru, Brazil, Bolivia, Paraguay; 5 species, 1 in Venezuela.

Ephedranthus guianensis R.E. Fr., Acta Horti Berg. 10(2): 176. 1931.

Tree ca. 8 m tall; secondary veins of leaves arcuate, 6--8 per side, prominent on lower surface. Riparian forests, 300--400 m; Amazonas (upper Río Orinoco above confluence with Río Ugueto). Guyana, Suriname, French Guiana, Peru. Fig. 369.

Scientific Comments:
Paul Berry (peberry@facstaff.wisc.edu) or Kay Yatskievych (kay.yatskievych@mobot.org).

 
 
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