Wyethia angustifolia

First overview block: Scientific Name, Synonyms, Family, English Names, Other Names

Description

General: Tap-rooted, leafy-stemmed perennial, the stems stout but lax, 2-9 dm. tall, the herbage covered with short, stiff, blunt hairs. Leaves: Leaves mostly entire, the basal ones enlarged, with narrow, elongate blades, 1.5-5 dm. long and 2.5-10 cm. wide, tapering at both ends; cauline leaves smaller and variable. Flowers: Heads usually solitary; involucral bracts lance-linear, in several series, herbaceous, with conspicuous hairs on the margins; rays 13-21, chrome-yellow, pistillate and fertile, 1.5-3.5 cm. long; disk flowers light yellow, perfect and fertile; receptacle broadly convex, chaffy throughout, the bracts clasping the achenes; pappus of petal-like appendages. Fruit: Achenes compressed-quadrangular

References

http://plants.usda.gov/java/nameSearch http://www.wildflower.org/plants/result.php?id_plant=WYAN http://biology.burke.washington.edu/herbarium/imagecollection.php http://herb.umd.umich.edu/ http://pfaf.org/user/Plant.aspx?LatinName=Wyethia+angustifolia