Flora of the Hawaiian Islands
Monocotyledon Literature for Eleusine indica
Wagner et al., 1990, 1999; Lorence & Wagner, 2019.
   Poaceae -- The Grass Family Bibliography
      Eleusine indica

Common name(s): manienie ali`i, wiregrass
General Information
DistributionNative to the Old World, but long naturalized in warm regions of the New World.In the Hawaiian Islands, naturalized on Kure, Midway, French Frigate Shoals, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Annual or sometimes perennial; culms pale green, prostrate or ascending, 25‒60 cm tall, glabrous, conspicuously compressed, usually profusely branched at base, strongly rooted.
Leaves with sheath 3‒9 cm long, conspicuously compressed, striate, keeled, sparsely long pilose at throat and along margins; ligule 0.2‒0.5 mm long, membranous, truncate or fimbriate; blade 15‒25 cm long, 4‒10 mm wide, conspicuously keeled, scabrous on keel and on margin near apex, adaxial surface sparsely long pilose with a conspicuous translucent yellow band 2‒3 mm long arising from base, apex acute.
Inflorescences composed of 2‒6 racemes, umbelliform, 1 raceme often borne 2‒5 cm below others, 4‒10 cm long. Spikelets 3‒8-flowered, 5‒7 mm long, glabrous; glumes broad, keeled, margin hyaline or purple tinged, first glume 2‒3 mm long, 2‒4-veined, second glume 3‒4 mm long, 6‒9-veined; lemmas 3‒3.5 mm long, keel scaberulous, often with 1‒2 indistinct veins, apex acute; palea 2.5‒3 mm long, apex acute.
Caryopses dark reddish brown, 1‒2 mm long, ridged longitudinally, striated with concentric rings.
2n = 18, 36, 54.
Warren Wagner