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Bidens frondosa L.

Scientific name record
Names_Plants record source
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Exotic
Wild
New Zealand
Political Region

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L.
L.
1753
832
ICN
Bidens frondosa L.
species
Bidens frondosa

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frondosa

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Bidens frondosa L.

Erect, glabrous or almost glabrous annual, 20-200 cm tall. Stems angled, branched above to form infl., and sometimes from base. Lvs petiolate, 1-pinnate, with 1-2 pairs of leaflets and a slightly larger terminal leaflet; leaflets sessile or shortly petiolulate, narrow-ovate to lanceolate, coarsely or unevenly serrate, acuminate, (1)-2-13 cm long. Upper cauline lvs becoming smaller, shortly petiolate, and often simple and not lobed or 3-lobed. Capitula 10-20 mm diam. Outer involucral bracts 4-9, foliaceous, usually ciliate at least at base, sometimes glabrous, linear to narrowly oblong-obovate, (10)-15-30 mm long; inner bracts many, membranous, triangular to subulate, 6-10 mm long, with dark lined centre and pale margins. Receptacular scales similar to inner bracts but narrower. Florets usually all ☿, tubular, yellow-orange, rarely a few orange ray florets present. Achenes flattened, ovate-cuneate with 1 slender rib on each face, dark brown, ciliate, and otherwise glabrous to sparsely hairy, 6-10 mm long; awns 2, 2.5-4.5 mm long.

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Bidens frondosa L.
Bidens frondosa L.
Bidens frondosa L.
Bidens frondosa L.
Bidens frondosa L.
Bidens frondosa L.

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Bidens frondosa L.
Australia
Bidens frondosa L.
New Zealand
Bidens frondosa L.
New Zealand
Canterbury Land District
Bidens frondosa L.
New Zealand
Gisborne Land District
Bidens frondosa L.
New Zealand
Hawke's Bay Land District
Bidens frondosa L.
New Zealand
Marlborough Land District
Bidens frondosa L.
New Zealand
Nelson Land District
Bidens frondosa L.
New Zealand
North Auckland Land District
Bidens frondosa L.
New Zealand
South Auckland Land District
Bidens frondosa L.
New Zealand
Taranaki Land District
Bidens frondosa L.
New Zealand
Wellington Land District

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47f5bab5-d4b0-4e30-b9d4-179a1983894b
scientific name
Names_Plants
1 January 2000
28 April 2006
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