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Asiatic Dayflower
Commelina communis

Other Names: Mouse Flower

  • Commelinaceae – Spiderwort family
  • 1.5 cm (0.5 inch) head
  • 3 green sepals
  • 2 round blue petals arranged above a smaller white one
  • 6 stamens
  • all parts extend out from an encircling, heart-shaped bract
  • may grow in clusters or singly
  • 8-13 cm (3-5 inches) long, pointed, and lance-shaped
  • rounded at base
  • sheathed stem
  • in most of eastern region of North America
  • found in along roadsides, woodlands and other distressed areas
Flowering Time
  • June - October
  • may be from 30-90 cm (1-3 feet) long since it is a creeping vine
  • exotic from Asia
  • flowers open for only a single day
  • colonizes from a single root system
Name Origin
  • This species usually colonizes an area from a single root system, giving it its species name communis.
  • Genus name comes from the Commelin, a Dutch family. Two of their sons were famous botanists (the 2 blue petals) and the third did not do anything in botany (the white petal).
  • The name of Mouse Flower comes from the appearance of the flower itself.
Asiatic Dayflower

Asiatic Dayflower, view from above