Ambrosia artemisiifolia L.
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Details
Nomenclature
L.
L.
ICN
Ambrosia artemisiifolia L.
species
Ambrosia artemisiifolia
Classification
Vernacular names
Descriptions
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.
Taxonomic concepts
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Ambrosia artemisiifolia L.
Collections
Metadata
c9fe603b-7c49-44f9-a1fb-ae2012e8f745
scientific name
Names_Plants
1 January 2000