drought-tolerant plant that would work well as a ground
cover or low border. Flowers only last a few hours, like
the related dayflower (Commelina erecta).
Clumping plant, spreads by rhizomes
particular as to soil
Water Requirements: Good
Light Requirements: Full
sun to part shade.
Narrow, grass like, succulent, up to 15"
long, creased along center rib and clasping the stem.
blue to lavender or occasionally white, 1" flowers
with yellow stamens, tightly clustered at the tips of
smooth, leafy stems and blooming most of the year.
Ground cover or low border.
Seeds, clump division -- spreads by underground rhizomes, forming clumps, but
will not grow out of control.
Source: Native Florida Plants: Low-Maintenance Landscaping and Gardening