Cosmos Cav.
Details
Nomenclature
Cav.
Cav.
1791
ICN
Cosmos Cav.
genus
Cosmos
Classification
Subordinates
Vernacular names
Descriptions
Cosmos Cav.
Annual or perennial herbs, rarely somewhat woody. Lvs opposite, simple and entire to lobed or pinnatisect, or 1-3-pinnate. Capitula pedunculate, solitary or in loose cymes. Involucral bracts in 2 rows; outer row usually foliaceous; inner row membranous. Receptacle flat; scales present. Outer florets sterile, ligulate, usually rose or violet to purple, rarely orange, yellow or white. Inner florets ☿, tubular. Achenes all similar, usually fusiform, sometimes linear, ± square in section, sometimes compressed, not winged, attenuated into beak at apex; pappus 0, or of 2-8 awns, usually with retrorse barbs, sometimes with antrorse barbs or hispid.
Taxonomic concepts
Metadata
671fb02f-7924-4b63-9058-ce140c794027
scientific name
Names_Plants
1 January 2000
13 August 2008