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Rytidosperma thomsonii (Buchanan) Connor & Edgar

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This is indigenous
Threat status: Declining
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Rytidosperma thomsonii (Buchanan) Connor & Edgar, New Zealand J. Bot. 17: 322 (1979)
Rytidosperma thomsonii (Buchanan) Connor & Edgar

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Endemic
Wild
New Zealand
Political Region

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(Buchanan) Connor & Edgar
Buchanan
Connor & Edgar
1979
322
ICN
species
Rytidosperma thomsonii

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thomsonii

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Rytidosperma thomsonii (Buchanan) Connor & Edgar

Variable in size and habit, from low-growing tussocks to moderately tall tufts, rather dull green, ± shortly rhizomatous; leaves semi-pungent, usually much < culms; new shoots intravaginal, crowded, ± swollen at base. Sheaths pale to greyish, glabrous, sometimes with scattered long hairs; collar hairs 1- 3 mm long; ligule c. 0.3 mm long; lamina to 15—(22) cm long, stiff, inrolled with scabrous margins, glabrous, or with scattered long hairs. Culms up to 45 cm long, glabrous, minutely scabrous below inflorescence. Panicle strict, up to 6.5 cm long, shortly branched below, with few to many spikelets on short pedicels; rhachis and pedicels closely short-scabrous, with numerous minute hairs interspersed, longer hairs below spikelets and at branch axils. Spikelets 5-8-flowered, sometimes upper florets exceed glumes. Glumes purpled centrally, ovate-lanceolate, subacute, (3.5)-5-7-(9) mm long, ± equal, lower 5- (7)-nerved, upper 3-(5)-nerved. Lemma 2.5-3.5- (4) mm long, finely 7-(9)-nerved, both rows of hairs reduced to short dense marginal tufts, elsewhere glabrous, upper hairs < lemma lobes; lemma lobes reduced to minute bristles, rarely almost wanting, 0.1-0.4-(0.6) mm long. Central awn (0.2)-0.5-1- (2.5) mm long, straight, erect, fine, or reduced to a mucro from a bifid lemma-tip; column not developed. Palea 2.3-3 mm long, < or reaching almost to base of sinus, much > upper lemma hairs, glabrous between keels and on margins. Callus 0.2- 0.3 mm long with thick marginal hair tufts reaching base of lower marginal lemma tufts. Rhachilla c. 0.5 mm long. Anthers 0.4-0.7 mm long, Caryopsis 1-1.3 × 0.4-0.7 mm; embryo to 0.5 mm long; hilum c. 0.2 mm long. Endemic.

Rytidosperma thomsonii (Buchanan) Connor & Edgar

2n = 24, 48
2n = 24

Rytidosperma thomsonii (Buchanan) Connor & Edgar

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Danthonia thomsonii Buchanan
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Notodanthonia thomsonii (Buchanan) Zotov
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Rytidosperma thomsonii (Buchanan) Connor & Edgar
Triodia thomsonii (Buchanan) Petrie
Rytidosperma thomsonii (Buchanan) Connor & Edgar

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New Zealand
Otago Land District
New Zealand
Canterbury Land District
Rytidosperma thomsonii (Buchanan) Connor & Edgar
[Not available]
Rytidosperma thomsonii (Buchanan) Connor & Edgar
New Zealand
Rytidosperma thomsonii (Buchanan) Connor & Edgar
New Zealand
Canterbury Land District
Rytidosperma thomsonii (Buchanan) Connor & Edgar
New Zealand
Marlborough Land District
Rytidosperma thomsonii (Buchanan) Connor & Edgar
New Zealand
Otago Land District
Rytidosperma thomsonii (Buchanan) Connor & Edgar
New Zealand
Wellington Land District
Rytidosperma thomsonii (Buchanan) Connor & Edgar
New Zealand
Westland Land District
New Zealand
Canterbury Land District

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51db306c-cbd4-4981-b4ba-81ac0c414e26
scientific name
Names_Plants
1 January 2000
21 March 2006
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