Details of Genus: Ageratum L.
ID: 1365
Genus ja:
Genus en: Floss flower
# spp.: N/A (from genus_families table) | 1 (from names table)
Accepted: Accepted
Family: Asteraceae
Family ja: キク
Infra familial classification:
Distribution en:
Description en: Genus of about 40 species of annuals, perennials, and shrubs from diverse habitats in tropical and warm-temperate North and South America, some of which have become naturalized in many tropical and subtropical countries. They may be erect, spreading, or mound-forming in habit, and have oval to lance-shaped, mid-green leaves. In summer and early autumn, panicles of 30-50 small flowerheads form soft, rounded, brush-like clusters, varying in colour from bright blue or grey-blue to pink or white; they are attractive to butterflies. Ageratums are usually grown as annuals; use A. houstonianum and its cultivars for bedding or as edging in borders. They may also be grown in containers.
Hardiness en: Half hardy.
Cultivation en:
Propagation en: Sow seed at 16-18°C (61-64°F) in early spring, or sow in autumn and overwinter at 10°C (50°F).
Pests en: Prone to root rot.
Description ja:
Comment: temp. to trop. America
Comment ja: カッコウアザミ
Type species:
Phylogenetic definition:
Update information: Created: 2007-12-06 12:51; Updated: 2026-03-03 21:57
Family:
| System | Accepted? | Botanical name | Japanese name | Infra-familial classification | # species | |
| PB2 | Asteraceae | キク科 | Show | |||
| PB3 | Asteraceae | キク科 | Show | |||
| APG4 | Accepted | Asteraceae | キク科 | Show |