Senecio platylobus Greene
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Authority
New York Botanical Garden. Herbarium of Dr. Per Axel Rydberg. Purchased, 1899. Contributions from the New York Botanical Garden.
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Family
Asteraceae
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Scientific Name
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Description
Species Description - A stout, perfectly glabrous perennial: stem about 4 dm. high, rather leafy, striate and somewhat angled: basal leaves 6-10 cm. long, slender-petioled, obovate or broadly oval, sinuately crenatedentate, thin: lower stem leaves oblanceolate, petioled, deeply lobed or divided with rounded lobes: upper stem leaves broadly ovate in outline, sessile, pinnately divided into broadly oblong or cuneate divisions which are more or less deeply sinuate-dentate: cyme compound; its branches corymbiform: heads about 8 mm. high; bracts broadly lanceolate, acute, membranous margined and slightly shorter than the disk: rays 6 -7 mm. long, and 3 mm. wide, 5 -nerved: achenes striate, glabrous.
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Discussion
Probably nearest related to the preceding, but easily distinguished by the form of the leaves and the broad rays. It grows at an altitude of about 1500 m. [Plate 6, f 8.]
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Distribution
Utah : Wasatch Mountains, 1869, S. Watson, 671 (type in the Torrey Herbarium).
Utah United States of America North America|