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Re: Silphium, Cup Plant
In a message dated 97-10-27 15:16:43 EST, you write:
<< Does anyone know the species name and any particulars about "Cup Plant",
which I believe is a Silphium? Did I hear you mention this one once, Dan?
>>
Silphium perfoliatum (cup plant) is in Composite family and is square stemmed
perennial, 3-8 ft tall, with a flower like a small sunflower (July to Sept.
here). Opposite leaves join together around the stem to form a distinctive,
water-holding cup.
We planted some here (by digging some roots from an abandoned patch) in a
demonstration swale at Rodale Institute in SE PA and it has done well this
rather dry summer.
Roots may have medicinal properties.
Bill Heasom