Rheum palmatum syn Rheum rhaponticum
Family: Polygonaceae
Herbaceous perennial. Native to Mongolia. There is
much confusion and mystery surrounding this plant, which is an aperient
(gentle laxative). In olden times it came only from China and Tibet,
generally sold through the great spice bazaars of Turkey (therefore the
misnomer Turkey Rhubarb). The plant grows very large, with handsomely palmate
leaves. It is the dried, cured root which porvides the drug.
Cultivation:
Extra care. Sow seed in rich potting soil in a flat. Germinates in
12 to 18 days. Once they germinate, keep plants moist and partially
shaded. You can grow them out in gallon pots for a year, then transplant
to the garden. They get very large. Plant 2 feet apart and
keep well composted.
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