Botanical name: Trimezia steyermarkii Family: Iridaceae (Iris family)
Yellow Walking Iris is a perennial herb with very showy flowers, up to 1.5 m tall, with rhizomes up to 2-4 cm long and 2-3 cm wide, with persistent leaf bases generally finely fibrous. Leaves are lanceshaped, 0.6-1.5 m long and 2 cm wide. Flowering stem generally somewhat shorter than the leaves, round, usually with few branches or sometimes simple; spathes herbaceous, the internal ones 2.4-3 cm long, the external ones 1.8-2.2 cm long, shorter or approximately the same length as the internal ones. Flowers are yellow with brown spots; external tepals about 3 cm long and 1.3 cm wide, claw about 7 mm long, ascending, with many brown spots, blade more or less horizontal with brown spots at the base, internal tepals about 2 cm long and 0.8 cm wide, claw about 8 mm long, spotted with brown below, blade geniculate, arching forward and then recurved, with a group of inprominent elaiophores near the base, brown spotted below; filaments about 3.3 mm long, anthers about 4 mm long, latrorsas, connective yellow, pollen brown; style about 9 mm long; crests 3-4 mm long. Capsule is narrowly obovate, 1.5-3 cm long. Yellow Walking Iris is native to S. Mexico to NW. Venezuela, cultivated elsewhere.
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The flower labeled Yellow Walking Iris is ...