SCIENTIFIC NAME: Citrus
COMMON NAME(S): Citrus trees (orange, lemon, lime, grapefruit, etc.)
FAMILY: RUTACEAE - Rue or Citrus family
ORIGIN: Asia, about 16 spp.
HABITAT: Cultivated landscapes, interior plants, common market produce
CHARACTERISTICS: Often thorny, green for many years
LEAVES: Alternate, simple, dark green; leaf-stem sometimes winged; aromatic when crushed
FLOWERS: White, showy, very fragrant
FLOWERING SEASON: Spring
FRUITS: A large, fleshy berry divided into segments with acid pulp and high juice content
ALLERGENIC PRINCIPLES: D-limonene, saponins, possibly other irritants
ALLERGENIC PROPERTIES: Photodermatological
COMMENTS: Oil from the peel of many citrus fruits can cause photodermatitis.