Flora of the Hawaiian Islands
Monocotyledon Literature for Cenchrus setaceus
Wagner et al. 1990, 1999; Veldkamp 2014.
   Poaceae -- The Grass Family Bibliography
      Cenchrus setaceus

Common name(s): fountain grass
General Information
DistributionN. and E. Africa, Near East, cultivated elsewhere and escaping, Malesia: Singapore, Java.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Lana`i, Maui, Kaho`olawe, Hawai`i.
















HabitatStony slopes and roadsides.
Habit
Perennial; culms erect to geniculate at base, not rooting in the decumbent nodes, not stoloniferous, rhizomatous, 0.25–1.25 m long, nodes glabrous; ligule a setose rim, c. 0.15 mm long, setae c. 0.75 mm long.
Leaves
Leaf blades involute, 30–100 cm by 1–3.7 mm, margins scaberulous.
Flowers
Panicle exserted, many-spiked, 10–26 cm long, common axis pubescent; peduncle glabrous below the panicle; involucre stipitate, disarticulating at base; stipe pubescent, 1–3 mm long; bristles many, rather stiff, pilose (some outer ones excepted), a few distinctly longer than the others, 15–27 mm long, longest bristle 17–42 mm long. Spikelets 1–3 within the involucre (the basal one bisexual, the others male), sessile (the basal one) or pedicelled (the others), 4.7–6.8 mm long; lower glume absent to obsolete, rarely to c. 0.3 times as long as the upper; upper glume 1–3.5(–5.25) mm long, 0–1-nerved; first lemma epaleate (rarely paleate, male), acuminate to aristate, membranous, 3–5-nerved, glabrous, nerves scaberulous; second lemma 4.7–6.8 mm long, acuminate to aristate, membranous; anthers 2.6–3.7 mm long, apex glabrous.
Seeds
Caryopsis obovoid, ca. 2 mm long.
Chromosomes
2n = 9, 17.
Contributor
Nancy Khan