Key Characteristics for Tropical Spiderwort Identification<BR>Leaf Length to Leaf Width Ratio <3:1; other dayflowers are 4:1 or greater <BR>Underground flowers  unique among dayflowers in the US <BR>Aerial flowers are much smaller than other dayflowers; 2 upper petals blue, lower one white <BR>Red (or white) hairs at the apex of the sheath that surrounds the stem<BR>