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Macrosolen

(Genus)

Overview

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Shrubs parasitic, base often with epicortical roots, all parts glabrous. Leaves opposite, pinnately veined. Inflorescences axillary, racemes or spikes, rarely umbels; 1 bract and 2 bracteoles subtending each flower; bract small, shorter than the calyx; bracteoles often connate. Flowers bisexual, 6-merous, actinomorphic or sometimes zygomorphic by the presence of a single split. Calyx ovoid to ellipsoid, limb annular or cupular, persistent. Mature flower bud tubular. Corolla sympetalous, tube gradually dilated, usually 6-keeled in mi ddle portion, then constricted abruptly to a neck and expanded to a clavate tip, lobes reflexed. Filaments short; anthers 4-loculed, sometimes multilocellate; pollen grain semilobate in polar view. Ovary at first 3-loculed, then 1-loculed; placentation free, central. Style filiform, base usually art iculated. Stigma capitate. Berry ovoid or ellipsoid.

About 40 species: tropical S and SE Asia; five species in China.[1]

Taxonomy

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The Genus Macrosolen is further organized into finer groupings including:

Bibliography

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Footnotes

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  1. Huaxing Qiu & Michael G. Gilbert "Macrosolen". in Flora of China Vol. 5 Page 220. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Sources

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Last Revised: August 24, 2012
2012/08/24 15:40:17