Difference between revisions of "Rumex beringensis"

Revision as of 22:31, 16 December 2019

Plants perennial, glabrous, with thick, densely tufted underground stolons. Stems erect, rarely ascending, several from base, branched in inflorescence, 5–15(–20) cm; shoots usually densely crowded, not elongated. Leaves: ocrea brownish or reddish brown, membranous; blade linear or spatulate-lanceolate, not hastate (without basal lobes), 1.5–5 × 0.1–0.3 cm, base narrowly cuneate (gradually narrowing into petiole), margins entire, flat or slightly convolute, apex obtuse or subacute. Inflorescences terminal, occupying more than distal 1/2 of stem, ± dense, usually interrupted at least near base, narrowly paniculate with branches directed upward. Pedicels 1–4 mm. Flowers (3–)4–7 in whorls; inner tepals distinctly enlarged, 1.6–2.3 × 1.8–2.5 mm (free wing 0.3–0.5 mm wide), base cuneate, apex obtuse or subacute. Achenes brown or reddish brown, 1–1.5 × 0.8–1.2 mm. 2n = 14.

Phenology: Flowering summer.
Habitat: Sandy and gravelly soil, shores, limestone outcrops
Elevation: 0-300 m

Yukon, Alaska, ne Asia (ne Russian Far East).

Discussion

The name Rumex graminifolius was commonly misapplied to this species in both northwestern North America and northeastern Eurasia.

Selected References

None.

Lower Taxa