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Ambrosia artemisiifolia L.

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Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.

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Exotic
Wild
New Zealand
Political Region

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L.
L.
ICN
Ambrosia artemisiifolia L.
species
Ambrosia artemisiifolia

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artemisiifolia

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Ambrosia artemisiifolia L.

Erect annual, 30-100 cm tall. Stems moderately clothed in short patent hairs and long erect hairs above, becoming glabrous below, much-branched. Lvs petiolate, moderately to densely clothed in short patent hairs below, less hairy above, often with long marginal hairs at base of petiole, deeply 2-3-pinnatisect, ovate, up to 15 cm long; ultimate segments (1)-2-7 mm wide; upper cauline lvs smaller, ± apetiolate and finally 1-pinnatisect. ♂ capitula pedunculate, 3-5 mm diam.; involucre saucer-shaped, shallowly lobed and usually ciliate. ♀ capitula solitary or clustered. Fruiting involucre glabrous or sparsely hairy, distinctly veined, 3-5 mm long, with a single series of 1-6 short spines around the flattened top; terminal beak 1-1.5 mm long.

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Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.

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Ambrosia artemisiifolia L.
New Zealand
Canterbury Land District
Ambrosia artemisiifolia L.
New Zealand
Marlborough Land District
Ambrosia artemisiifolia L.
New Zealand
North Auckland Land District
Ambrosia artemisiifolia L.
New Zealand
Wellington Land District
Ambrosia artemisiifolia L.
United States

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c9fe603b-7c49-44f9-a1fb-ae2012e8f745
scientific name
Names_Plants
1 January 2000
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