SCIENTIFIC NAME: Juniperus
COMMON NAME(S): Junipers, Red cedars
FAMILY: CUPRESSACEAE - Cypress family
ORIGIN: Northern Hemisphere, 45-60 spp.
HABITAT: Woods, cultivated landscapes
CHARACTERISTICS: Stems green to blue-green, cylindrical, emitting resinous odor when crushed
LEAVES: Whorled or opposite, awn- or needle-like, often reduced to appressed scales; blue-green in some cultivated forms
FLOWERS: None, bears small, separate male and female cones
FLOWERING SEASON: Spring
FRUITS: None; "berry" is a waxy, fleshy female cone
ALLERGENIC PRINCIPLES: Oil and unknowns; pollen allergens
ALLERGENIC PROPERTIES: Dermatological and respiratory
COMMENTS: The many cultivated and few native junipers have caused contact dermatitis to some people. The copious pollen may also contribute to airborne causes of hay fever. Numerous varieties of J. chinensis L. (Chinese juniper) and J. communis L. (Common juniper) are cultivated. Species native to the region are J. virginiana L. (Eastern red cedar, including J. silicicola (Small) Bail. Southern red cedar).