Rheum palmatum

subsp. var.
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Standard Cyclopedia of Horticulture

Rheum palmatum, Linn. (R. sanguineum, Hort.). St. tall (5-6 ft.) and leafy: petioles subcylindrical, the margin rounded: lf .-blades broad, suborbicular and cordate, 3-5-ribbed, scabrous, deeply palmately lobed; the lobes ovate-oblong or lanceolate, acute, entire, dentate or pinnatifid: panicle leafy, with pubescent branches, the pedicels scarcely longer than the fls.: achene oblong-oval and subcordate. N. E. Asia. Var. tanguticum, Regel (R. tanguticum, Hort.). Lvs. more elongated and not so deeply lobed. G.Z. 20, p. 17. Var. atrosanguineum, Hort. (var. floribus rubris, Hort.), has a showy dark red panicle. Gn. 60, p. 10. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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References

• Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963

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