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Alternanthera sessilis (L.) DC.

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Exotic
Cultivated
New Zealand
Political Region

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(L.) DC.
L.
DC.
1813
ICN
species
Alternanthera sessilis

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Alternanthera sessilis (L.) DC.

Decumbent perennial herb with stems to c. 50 cm long, usually at least partly rooting at lower nodes, often much-branched and with a longitudinal row of hairs on 2 opposite sides. Lvs usually shortly petiolate, 1-4-(6) cm × 2-8 mm, linear to narrow-oblong, narrow-elliptic or oblanceolate (shape may vary on the one plant), glabrous or almost so, entire or obscurely denticulate; base attenuate; apex obtuse to subacute. Fls in dense, sessile, axillary, ± globular heads, 5-8-(10) mm diam. Bract and bracteoles much < perianth, white or pinkish white, scarious. Tepals unequal, 2-3 mm long, white, scarious, with soft apex; longer tepals linear-lanceolate or lanceolate, acuminate; shorter tepals ± ovate, ± acute. Fertile stamens 2-3; staminodes minute. Utricle ± 1.5 × 2 mm, light brown, strongly compressed laterally, broadly obcordate; margin thickened. Seed c. 1 mm diam., shining.

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Alternanthera sessilis (L.) DC.
Alternanthera sessilis (L.) DC.
Alternanthera sessilis (L.) DC.
Alternanthera sessilis (L.) DC.
Alternanthera sessilis (L.) Roem. & Schult.

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Alternanthera sessilis (L.) DC.
Australia
Alternanthera sessilis (L.) DC.
Australia
Queensland
Alternanthera sessilis (L.) DC.
China
Alternanthera sessilis (L.) DC.
Cook Islands
Alternanthera sessilis (L.) DC.
Cook Islands
Manihiki
Alternanthera sessilis (L.) DC.
Cook Islands
Rakahanga
Alternanthera sessilis (L.) DC.
French Polynesia
Alternanthera sessilis (L.) DC.
New Caledonia
Alternanthera sessilis (L.) DC.
New Zealand
Canterbury Land District
Alternanthera sessilis (L.) DC.
New Zealand
North Auckland Land District
Alternanthera sessilis (L.) DC.
Tonga

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b65092b1-7f78-4953-ac57-9e48e06297ce
scientific name
Names_Plants
1 January 2000
12 February 2018
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