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Cenchrus longisetus M.C.Johnst.

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Cenchrus longisetus M.C.Johnst. (1963)
Cenchrus longisetus M.C.Johnst.

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Exotic
Wild
New Zealand
Political Region
CHR 62870

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M.C.Johnst.
M.C.Johnst.
1963
ICN
Cenchrus longisetus M.C.Johnst.
species
Cenchrus longisetus

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longisetus

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Tufted perennials to c. 35 cm; branching intravaginal from a short branching rhizome to 4 mm diam.; plants sometimes stoloniferous. Leaf-sheath flattened, keeled, firmly chartaceous, mostly glabrous, occasionally with a few scattered long tubercle-based hairs. Ligule 0.7-1.5 mm, a membranous densely long-ciliate rim. Collar hairs few, long, tubercle-based. Leaf-blade 8-30 cm × 2-4 mm, rather stiff, light green or bluish green, linear, flat, or folded and 0.6-1.5 mm diam., tapering, abaxially glabrous, strongly ribbed, ribs scabrid near tip, adaxially shallowly ribbed, minutely scabrid on ribs, sometimes with a few scattered, long, tubercle-based hairs; margins scabrid, tip acute. Culm 10-30-(45) cm, erect or geniculate-ascending, simple, or branching at lower nodes, internodes softly long-hairy below inflorescence. Panicle 4-11 cm, conspicuously plumose, broadly cylindric to subglobose, ± dense, light silvery green or light brown, rarely purplish; rachis softly long-hairy. Spikelets 8-11 mm, lanceolate, acuminate, cream, sometimes purple-tipped, solitary, or in clusters of 2-4, on very short, densely soft-hairy pedicels, surrounded by a plumose involucre of many, cream, sometimes purple, unequal bristles (25-40 mm), finely scabrid throughout with long soft hairs in lower ½. Glumes membranous, unequal in size and shape; lower 0.5-1.2 mm, broad, truncate-erose, nerveless, upper 2.5-5.5 mm, narrow, tapered, 1-nerved. Lower floret ♂ or Ø: lemma 7-9.3 mm, membranous, 7-9-nerved, very minutely scabrid with longer prickle-teeth on midnerve near acute tip; palea 6-8 mm, hyaline, keels with scattered short hairs, interkeel with minute hairs near bifid apex, occasionally palea 0; anthers 3.5-4.5 mm, occasionally 0. Upper floret ☿: lemma 8.5-11 mm, membranous, 7-9-nerved, glabrous, nerves minutely prickle-toothed; palea ± rounded, keels becoming scabrid and more prominent near bifid apex, interkeel minutely scabrid; lodicules minute, or 0; anthers 3.5-4.5 mm; styles connate; caryopsis c. 2.5 mm.

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Cenchrus longisetus M.C.Johnst.
Cenchrus longisetus M.C.Johnst.
Cenchrus longisetus M.C.Johnst.
Pennisetum villosum R.Br.
Cenchrus longisetus M.C.Johnst.

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Cenchrus longisetus M.C.Johnst.
China
Cenchrus longisetus M.C.Johnst.
New Zealand
Canterbury Land District
Cenchrus longisetus M.C.Johnst.
New Zealand
Hawke's Bay Land District
Cenchrus longisetus M.C.Johnst.
New Zealand
Marlborough Land District
Cenchrus longisetus M.C.Johnst.
New Zealand
Nelson Land District
Cenchrus longisetus M.C.Johnst.
New Zealand
North Auckland Land District
Cenchrus longisetus M.C.Johnst.
New Zealand
Wellington Land District

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e014079a-0663-4b44-ae2b-2c21a17cdabc
scientific name
Names_Plants
31 August 2011
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