Details of genus: Silphium L. [853]
genus_ja:
genus_en: Prairie dock, Rosinweed
# spp.:
pub_year:
accepted: Accepted
Family: Asteraceae
family_ja: キク
Infra familial classification:
distribution_en:
description_en: Genus of about 20 species of tall herbaceous perennials from fields, prairies, and open woodland and scrub (some in moister areas) in Canada and C. and E. USA. Their erect, sparsely branched stems exude resinous sap with a strong turpentine-like scent. The opposite or alternate, coarse leaves, sometimes all basal, are lance-shaped to ovate or triangular, some toothed or pinnatifid. Sunflower-like yellow flowerheads are borne in branching corymbs. Excellent for naturalizing in a wild or woodland garden.
hardiness_en: Fully hardy.
cultivation_en:
propagation_en: Sow seed in containers in a cold frame as soon as ripe. Divide in spring.
pests_en: Trouble free.
description_ja:
comment: E. N.America
comment_ja:
type_species:
Phylogenetic definition:
Update Information: Created: 2007-12-06 12:51; Updated: 2020-07-05 11:41
family:
System | Accepted? | Scientific name | Japanese name | Infra-familial classification | # species | |
APG4 | Asteraceae | キク科 | Show | |||
PB2 | Asteraceae | キク科 | Show | |||
PB3 | Asteraceae | キク科 | Show |