Difference between revisions of "Rumex subg. Platypodium"
Bot. Not. Suppl., 3(3): 106. 1954.
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|subfamily=Polygonaceae subfam. Polygonoideae | |subfamily=Polygonaceae subfam. Polygonoideae | ||
|genus=Rumex | |genus=Rumex | ||
Latest revision as of 23:08, 5 November 2020
Plants synoecious, with basal rosette of leaves usually not persistent at maturity. Stems ascending, spreading, or almost prostrate, occasionally erect. Leaf blades spatulate, lanceolate, or ovate-lanceolate, rarely rounded, base cuneate. Pedicels articulated in distal part, usually heteromorphic: some curved, swollen, and clavate, others straight, not swollen, and cylindric. Flowers normally bisexual; outer tepals not spreading; inner tepals enlarged, often heteromorphic, (1.5–)2–4(–5) mm, equaling or slightly wider and longer than achenes, margins usually dentate; tubercles very small, or absent.
Distribution
Introduced; s Europe, sw Asia, n Africa, occasionally introduced in other regions.
Discussion
Species 1.
Sometimes subg. Platypodium is recognized as a separate genus, Bucephalophora, together with other segregates from Rumex in the broad sense (see Á. Löve and B. M. Kapoor 1967).
Selected References
None.