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Bluets
By Lou Paun
Bluets (Houstonia) - A very pretty little American plant, H. coerulea forming small, dense, cushion-like tufts, and from late spring to autumn bearing crowds of tiny slender stems, about 3 inches high.
Rubiaceae / Madders Bluets (Houstonia caerulea)
Plant Type: This is a herbaceous plant, it is a perennial which can reach 15cm in height (6inches).
Leaves: The leaf arrangement is opposite. Leaves can reach 1cm in length (0.5inches).
Bluets also go by several quaint names; "Quaker Ladies", "Innocence", and "Little-Washerwoman". The general identification rule is that these flowers have 4 petals, although in this photo some seem to have 5...
Bluets, Quaker Ladies, Houstonia serpyllifolia
Quaker Ladies or Bluets are mat-forming, summer-flowering perennials that thrive in damp, shady spots. Plant in acid soil in rock gardens, open woodlands or shaded paths.
Prairie Bluets, Fine-leaf Bluets, Bluets,Prairie
Species:
Hedyotis nigricans ...
Description:
The ray flowers of the various species of Cornflower (also known as Bachelor's Buttons, Bluets, Centaureas, and Knapweeds) are deeply divided, giving the showy flowers a very frilled appearance.
Other species of Houstonia, as well as the unrelated cornflower, are also called bluets. Phylogenetically, the madder family is closely related to the honeysuckle family.
 See also: Bluet, Grass, Centaurea, Aster, Violet
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