SCIENTIFIC NAME: Helenium amarum
COMMON NAME(S): Sneezeweed
FAMILY: ASTERACEAE (COMPOSITAE) - Sunflower family
ORIGIN: North America
HABITAT: Disturbed areas
HEIGHT: To 3'
CHARACTERISTICS: Much-branched in upper half
LEAVES: Alternate, linear, to 3" long
FLOWERS: Yellow, daisy-like, the outer flowers with conspicuous 3-lobed petals, the inner flowers congested in a round head
FLOWERING SEASON: Spring to fall
FRUITS: Small, dry, 1-seeded
ALLERGENIC PRINCIPLES: A glycoside and/or a phenol
ALLERGENIC PROPERTIES: Dermatological
COMMENTS: Dermatitis has been caused by this poisonous weed.