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Lardizabalales

(Order)

Overview

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Photos

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Taxonomy

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The Order Lardizabalales is further organized into finer groupings including:

Families

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Lardizabalaceae

Woody climbers, rarely erect shrubs (Decaisnea) . Monoecious, rarely dioecious. Stems climbing or twining (erect in Decaisnea) ; wood with broad medullary rays. Winter buds large; outer scales 2 to numerous; scales subtending leaves persistent, scaly. Stipules usually absent (present and very small in Sinofranchetia) . Leaves alternate, palmate or 3-foliolate, rarely pinnate (Decaisnea) . Petiole and petiolules swollen at both ends, articulate. Flowers functionally unisexual by reduction or abortion, actinomorphic. Sepals 6 (usually 3 in Akebia), petaloid, in 2 whorls, imbricate or outer 3 valvate. Petals 6, nectariferous, much smaller than sepals or absent. Male flowers: stamens free or connate into a tube; anthers 2-celled, extrorsely dehiscent by longitudinal slit; connective apical appendage hornlike or apiculate, sometimes unappendaged. Pistillodes 3--6(--9), small, filiform. Female flowers: staminodes 6. Carpels 3(--9) or numerous (Sargentodoxa), superior, free; ovules numerous, orthotropous or anatropous, in 2 to several longitudinal rows on laminar placenta, rarely 1, pendulous, hemitropous to subanatropous (Sargentodoxa) . Stigma conspicuous, sessile or subsessile. Fruit fleshy follicles or baccate, indehiscent or dehiscent along abaxial suture. Seeds numerous, rarely solitary; seed coat crustaceous; endosperm copious; embryo small, straight.[1] [more]

Sargentodoxaceae

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More info about the Family Sargentodoxaceae may be found here.

Bibliography

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Footnotes

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  1. Dezhao Chen & Tatemi Shimizu "Lardizabalaceae". in Flora of China Vol. 6 Page 440. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org.

Sources

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Last Revised: September 22, 2009
2009/09/22 07:59:11