Petasites

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Standard Cyclopedia of Horticulture

Petasites (Greek, a broad-brimmed hai; referring to the large broad leaves). Compositae. Hardy perennial herbs much like the common coltsfoot (Tussilago Farfara), having large leaves of the same general shape, but the flowers range from purple to white, not yellow, and are borne in corymbs instead of singly. They are rather coarse and weedy, but the big felty lvs., appearing after the very early leafless scapes, make a good cover for rough or unoccupied places. The genus is widely distributed in north temperate and subarctic regions. The number of species is about 20; the essential character of the genus (as distinguished from Tussilago) is that the heads are nearly or quite dioecious, and rayless or with very short and mostly not showy rays; also the fact that the scapes usually have many heads instead of one. The lvs. are orbicular or reniform, always with a deep heart-shaped base and the scapes are covered with scales like a coltsfoot, but sometimes the lower ones are more leafy. CH 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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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

External links

• w:Petasites. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
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