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Cenchrus purpurascens Thunb.

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Cenchrus purpurascens Thunb. (1794)
Cenchrus purpurascens Thunb.

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Exotic
Casual
New Zealand
Political Region
CHR 89491

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Thunb.
Thunb.
1794
ICN
Cenchrus purpurascens Thunb.
species
Cenchrus purpurascens

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purpurascens

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Coarse grey-green tussocks of medium size, with narrow wiry leaves; branching intravaginal. Leaf-sheath hard, strongly keeled, glabrous, shining, brownish or often pinkish, margins membranous. Ligule 0.3-0.6 mm, a densely, shortly ciliate rim. Leaf-blade 15-30 cm × 1-1.5 mm diam., folded or involute, sometimes flat, linear, long-tapering, abaxially glabrous, adaxially often shallowly ribbed, ribs minutely scabrid, occasionally with a few soft hairs near ligule; margins minutely scabrid, tip acuminate. Culm 20-40 cm, erect, rounded or ± compressed, internodes loosely covered by fine, long, soft hairs near panicle. Panicle 7-12 cm, spike-like, cylindric, purplish; rachis and ± appressed branches and pedicels soft-hairy. Spikelets 5.5-6.5 mm, shortly pedicelled, densely clustered on rachis, narrow-lanceolate, acute, light creamy brown, minutely scabrid, greenish below, deep purple-brown towards apex, usually solitary within a much longer involucre of numerous, fine, erect, short-scabrid unequal bristles (15-25 mm), united at base; rarely 2 spikelets within involucre. Glumes « spikelet, unequal, submembranous; lower 0.5-1 mm, varying from nerveless, ± cuneate or rimlike, to longer-lanceolate, 1-nerved, upper 2-3 mm, c. ⅓ length of spikelet, faintly 5-(7)-nerved. Lower floret Ø: lemma 5-6 mm, ≈ spikelet, submembranous, 7-nerved, almost enclosing lemma of upper floret; palea 0. Upper floret ☿: lemma 5.5-6.5 mm, somewhat chartaceous, 5-7-nerved, ± enclosing palea; palea similar to lemma but slightly shorter, slightly rounded, nerves 2, glabrous; lodicules 0.2-0.5 mm; anthers 2.7-3.5 mm; styles connate below feathery stigmas, or sometimes partly or wholly free; caryopsis c. 2-2.5 × 1 mm, dark brownish.

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Cenchrus purpurascens Thunb.
Cenchrus purpurascens Thunb.
Cenchrus purpurascens Thunb.
Pennisetum alopecuroides (L.) Spreng.
Cenchrus purpurascens Thunb.

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Cenchrus purpurascens Thunb.
China
Cenchrus purpurascens Thunb.
New Zealand
Marlborough Land District
Cenchrus purpurascens Thunb.
New Zealand
Nelson Land District
Cenchrus purpurascens Thunb.
New Zealand
North Auckland Land District
Cenchrus purpurascens Thunb.
New Zealand
Wellington Land District

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b61d54da-895a-4bc4-943a-dd958abc9c72
scientific name
Names_Plants
31 August 2011
31 August 2011
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