Flora of the Hawaiian Islands
Monocotyledon Literature for Axonopus compressus
Barkworth, 2003; Lorence & Wagner, 2019.
   Poaceae -- The Grass Family Bibliography
      Axonopus compressus
General Information
DistributionNative from the SE United States and central Mexico south to Bolivia, Brazil, and Uruguay.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Poaceae - Axonopus compressus

Stoloniferous perennial, rarely rhizomatous, rhizomes when present 3‒5 cm long; culms 7‒80 cm tall, nodes densely pubescent.
Leaves with sheath keeled, strongly compressed, pubescent; ligule 0.3‒0.5 mm; blade 5‒15 cm long, 3‒20 mm wide, glabrous or sparsely pilose, midvein often white and prominent, apex frequently ciliate or pubescent, margin ciliate.
Inflorescences terminal and axillary panicles, 4‒10 cm overall, rachises to 3.5 cm, with (2)3(‒5) racemes 1‒13 cm long. Spikelets 2‒3.5 mm, ovoid, ellipsoid, or lanceoloid-acuminate; distal glumes and proximal lemmas extending beyond the distal florets, 2‒5-veined, marginal veins pilose, apex acute to acuminate; distal lemmas and paleas 1.5‒1.8 mm, broadly ellipsoid.
Caryopses 1.2‒1.5 mm, gray.
2n = 40, 60, 80
David Lorence & W. L. Wagner