Rumex subg. Platypodium

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

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.

Lower Taxa

Rumex bucephalophorus