Distribution | Native to the Neotropics from the West Indies, Brazil and adjacent Uruguay, Paraguay, and northern Argentina.In the Hawaiian Islands,
naturalized on
Kaua`i, O`ahu, Moloka`i, Maui, Hawai`i. First collected 1922, Skottsberg 1006 (BISH).
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Flowers
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Inflorescences umbelliform, open, partially compound, 5-10 cm long, 6-18 cm wide, the rays 4-12, slender, stiff, spreading, unequal, up to 10 cm long, each one terminated by a single spike or a secondary umbelliform inflorescence with up to 5 short secondary rays, spikes cylindrical to oblong, 1.5-3 cm long, 1-2 cm wide, densely bearing numerous spikelets; involucral bracts 5-10, the longer ones 3-4 times as long as the inflorescence; spikelets glaucous, bearing 4-6 glumes and 3-4 fertile flowers, spreading, or the lower ones slightly reflexed, linear subulate, 6-10 mm long, 0.8-1 mm wide, tetragonous, gradually narrowed to an acute apex, rachilla winged; glumes pale yellowish brown, glaucous, herbaceous, suberect and appressed, rather remotely spaced, but overlapping, oblong elliptic, 3-3.7 mm long, 1-1.5 mm wide, prominently 4-nerved on both sides of midnerve, midnerve green, glaucous, 3 nerved, ending below glume apex or prolonged into a mucro, margins broadly white hyaline.
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