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Commelina diffusa is a species of dayflower, a weak-stemmed herb belonging to the genus Commelina. This genus, with about 100 species, is part of the larger Commelinaceae family within the Commelinales order of flowering plants.12

Dayflowers are often cultivated as ground covers due to their sprawling growth habit and small blue flowers. They readily spread through cuttings, seeds, and the rooting of their trailing stems. As their common name suggests, the flowers are short-lived and fade quickly.1

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2 Britannica Sources
  1. dayflower
  2. Commelinales

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