A plant family of the order Pinales, class Pinopsida, division Coniferophyta (conifers). They are mainly resinous, aromatic evergreen trees.
A plant genus of the family CUPRESSACEAE. The species are slow growing coniferous evergreen trees or shrubs.
A plant genus of the family CUPRESSACEAE.
A plant genus of the family TAXODIACEAE. Members contain taxodione and taxodone, which are diterpenoid quinone methide tumor inhibitors.
A plant genus of the family CUPRESSACEAE. Cypress ordinarily refers to this but also forms part of the name of plants in other genera.
A plant division of GYMNOSPERMS consisting of cone-bearing trees and shrubs.
A plant genus of the family CUPRESSACEAE which should not be confused with other cedar and cypress trees of THUJA or CUPRESSUS genera.
A plant genus of the family TAXODIACEAE. Its POLLEN is one of the major ALLERGENS.
The fertilizing element of plants that contains the male GAMETOPHYTES.
A plant genus of the family ASTERACEAE. The POLLEN is one cause of HAYFEVER.
A plant genus of the family BETULACEAE. The tree has smooth, resinous, varicolored or white bark, marked by horizontal pores (lenticels), which usually peels horizontally in thin sheets.
Remains, impressions, or traces of animals or plants of past geological times which have been preserved in the earth's crust.