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















Habit
Stoloniferous perennial, rarely rhizomatous, rhizomes when present 3‒5 cm long; culms 7‒80 cm tall, nodes densely pubescent.
Leaves
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.
Flowers
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.
Fruit
Caryopses 1.2‒1.5 mm, gray.
Chromosomes
2n = 40, 60, 80
Contributor
David Lorence & W. L. Wagner