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Urochloa mutica (Forssk.) Nguyen
Para Grass
Synonyms: Brachiaria
mutica (Forssk.) Stapf
Brachiaria purpurascens (Raddi) Henrard
Natural range: Africa
Habitat: Disturbed moist sites, ditches
Florida status: Aggressive exotic weeds in wet sites. Pasture
grass.
Recognition:
Spikelets
2.6-3.5 mm, purple-tinged. Ligule ciliate. Lower glume 1/3 length of
spikelet, 1(3)-veined. The spikelets slightly flattened laterally.
Big and coarse with papillose-based hairy-sheaths. Tending to be prostrate
in wet areas. Browntop Millet (Urochloa ramosa) may
have papillose hairs on the leaf sheaths, but this species differs by
having 3-angled inflorescence axes (vs. flat axes), and usually > 3 (vs.
usually 1) veins in the lower glume, and brown (vs.
purplish-greenish) mature spikelets. Urochloa texana is
similar but has leaves abundantly pilose with erect hairs on both
surfaces and ciliate on the margins.



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