Ageratina riparia (Regel) R.M.King & H.Rob.
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Ageratina riparia (Regel) R.M.King & H.Rob. (1970)
Ageratina riparia (Regel) R.M.King & H.Rob.
Nomenclature
(Regel) R.M.King & H.Rob.
Regel
R.M.King & H.Rob.
1970
ICN
species
Ageratina riparia
Classification
Vernacular names
Synonyms
Descriptions
Ageratina riparia (Regel) R.M.King & H.Rob.
Erect or sprawling perennial herb to subshrub, 0.3-1-(2) m tall. Stems moderately to densely clothed in purple-striped eglandular hairs at least above, often tinged purple, much-branched. Lvs opposite; petiole hairy, 12-20 mm long; lamina glabrescent to sparsely hairy especially on veins of lower surface, narrow-elliptic to lanceolate, acuminate, coarsely serrate except near base, (30)-60-100-(130) × (8)-15-25-(40) mm; uppermost lvs smaller, sometimes entire. Capitula 4-5 mm diam., many in terminal corymbs; peduncle clothed in eglandular hairs. Involucral bracts in 2 ± equal rows, usually with shorter, narrower supplementary bracts outside, narrow-elliptic to lanceolate, hairy, 4-5 mm long. Florets white. Achenes black, 5-angled, hairy especially on angles, 1.5-2 mm long.
Taxonomic concepts
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Ageratina riparia (Regel) R.M.King & H.Rob.
Eupatorium riparium Regel
Eupatorium riparium Regel
Ageratina riparia (Regel) R.M.King & H.Rob.
Collections
Metadata
01a38c75-9834-4615-83ba-505fb1b80539
scientific name
Names_Plants
1 January 2000
15 May 2013