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 | ||
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Distribution | N. 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. | |
Habitat | Stony 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. |
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Contributor |
Nancy Khan |