Hieracium venosum L. - Rattlesnake Weed


 

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Hieracium venosum - (image 1 of 3)

 

Taxonomy

Family: Asteraceae

Habitat

 Dry, open woods

Associates

 

Distribution

NY south to VA and northern GA, west to MI, KY, TN, and AL; central FL

Morphology

Herbaceous perennial to 80 cm; stems few or solitary from a short rhizome. Leaves mostly basal, elliptic or ovate to oblanceolate, to 16 cm, short petiolate, mostly reddish purple throughout below, green with the midrib and main veins reddish-purple above. Flowers 15-40 per head, ligulate, yellow, in open, corymbiform inflorescences on slender, elongate peduncles.

Notes

Flowers May to July

Wetland indicator: Upland

A number of Hieracium spp. (Hawkweeds) have been introduced from Europe but this one is native.

References

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY

 


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 Michael Hough 2010