IUCN threat status:

Least Concern (LC)

Comprehensive Description

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Both the flowers and foliage are ornamental. The "true blue" color of the upper petals is very rare among wildflowers. The flowers of Slender Dayflower are very similar to those of the introduced Commelina communis (Asiatic Dayflower). It differs from the latter species by its more erect stems, more slender leaves, and the joined upper margins at the base of its spathes. The Asiatic Dayflower can form rootlets at its nodes, thereby establishing vegetative colonies, and its seeds are irregular and wrinkled. Slender Dayflower, in contrast, does not form rootlets at its nodes and its seeds are smooth. Slender Dayflower is a highly variable species, and three different varieties have been described for Illinois

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© John Hilty

Source: Illinois Wildflowers

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