WordNet sense 1 (any plant or flower of the genus Oxalis):

oxalis, wood sorrel

WordNet sense 2 (any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine):

dock, sour grass

WordNet sense 3 (East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber):

roselle, rozelle, Hibiscus sabdariffa, Jamaica sorrel, red sorrel

WordNet sense 4 (large sour-tasting arrowhead-shaped leaves used in salads and sauces):

common sorrel

WordNet sense 5 (of a light brownish color):

brownish-orange

WordNet sense 6 (being or having or characterized by hue):

chromatic