In some conifers adventitious roots can form the largest part of the root system.
It has been known that the self - sterility of conifers results from embryo collapse after self - fertilization.
The native English oak is strangely not susceptible to the disease although other popular trees like beeches conifers spruces and firs are.
Several other conifers produce small male catkins.
For mosses and ferns, the intermediary is water. For conifers like pine trees and cypresses, the intermediary is wind.
A unisexual reproductive structure of gymnospermous plants such as conifers and cycads, typically consisting of a central axis around which there are scaly, overlapping, spirally arranged sporophylls that develop pollen - bearing sacs or naked ovules or seeds.
They expected to find evidence of well-known Late Cretaceous vegetation such as conifers and cycads.
genus of deciduous conifers comprising both living and fossil forms; 1 extant species: dawn redwood of China; variously classified as member of Pinaceae or Taxodiaceae.
This region contains areas which are primarily covered with either high density conifers or meadow hardwoods.
Most conifers wood in contain turpentine.
Instructions cover approaches to dealing with side branching, how to alter the line of the trunk, and how to sculpt pine trees, azaleas, conifers, broad-leaved evergreens, and deciduous trees.
An area planted with pine trees or related conifers, especially for botanical study.
Southern beech, rimu and kahikatea (both tall conifers) once covered more than 80 percent of New Zealand, but the lowland forests are now less extensive.
Before the mid-Cretaceous, 100 million years ago or so, flowering plants were scarce: conifers and their relations ruled the landscape.
