Rheum L.
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publication ID |
https://doi.org/10.5281/zenodo.302862 |
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persistent identifier |
https://treatment.plazi.org/id/1213417E-FF80-FF82-CC34-FEDB4D82CD35 |
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treatment provided by |
Plazi |
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scientific name |
Rheum L. |
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7. Rheum L. View in CoL 1
Robust perennial herbs with a woody rhizome. Leaves large, palmately veined. Ochreae loose, persistent, not ciliate. Flowers hermaphrodite, in a panicle. Perianth-segments 6, free, equal, not accrescent. Stamens 9. Stigmas 3, subsessile. Fruit with 3 membranous wings.
Several species from temperate Asia are occasionally cultivated in gardens for their decorative foliage. R. palmatum L. , Syst. Nat. ed. 10, 1010 (1759) from W. China, was formerly much cultivated as a purgative; and R. rhabarbarum L. , Sp. Pl. 372 (1753), from Mongolia and neighbouring territories, is cultivated extensively in Britain and occasionally elsewhere in N. W. Europe for its edible petioles.
Stem with a single leaf; inflorescence compact, subglobose
1. tataricum Stem with several leaves; inflorescence diffuse, pyramidal
2. rhaponticum
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.