Scientific details

SCIENTIFIC NAME: Anagallis arvensis

 COMMON NAME(S): Scarlet pimpernel
SYNONYM(S):
FAMILY: PRIMULACEAE - Primrose family
ORIGIN: Europe
HABITAT: Lawn weed, disturbed areas
RANGE: Throughout region to North Florida
TYPE: Annual herb
HEIGHT: .5-1.5'
CHARACTERISTICS: Stems 4-sided, often creeping along ground
LEAVES: Opposite, simple, oval or lance-shaped, less than 1" long; clasping stem, glandular, rough along the margins
FLOWERS: Red or white, round, less than 1/2" wide with 5 petals joined just below middle
FLOWERING SEASON: Summer
FRUITS: Small capsule

ALLERGENIC COMPONENTS: Hairs on leaves and stems
ALLERGENIC PRINCIPLES: Primin
ALLERGENIC PROPERTIES: Dermatological
COMMENTS: The hairs on the leaves of this weedy annual have caused dermatitis.

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