Add to ORKGLeaf characters, unlike stem characters, are as a rule subject to such variations that they form an unreliable basis of comparison between plants. Conifer leaves on the contrary, because of their simplicity as compared with other leaves, show a large degree of uniformity, particularly in those characters seen in cross section
Structural differences among the leaves of a single tree are well known and the literature on this s...
For morphological investigations the selection of material is of primary importance. This is especia...
The leaves of plants are their most exposed organs. The thin summer foliage of herbaceous plants and...
In a group of three white oaks on the grounds of the Iowa Sanitarium, one varies considerably from t...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
ABSTRACTA number of conifer species are still lacking anatomical data, which is significant because ...
The cuticles of 58 extant conifer species are examined using scanning electron microscopy (SEM) and ...
Trees are fascinating. The largest of all woody plants, they have well-defined stems that support a ...
Different trees have different sorts of hark, the variation is of two main kinds. The hark of an ind...
Thesis (BS)--University of Illinois, 1900TypescriptIncludes bibliographical references (leaf 31
The purpose of the following presentation is to call attention briefly to the value of the twig and ...
This book deals with the comparative anatomy of the tissues of the bark, phloem, heartwood, sapwood,...
Seedling populations of seven Cupressus taxa were compared in common gardens to assess relationships...
The goal of the study was to check if the shape-describing characters, calculated as ratios of the m...
So far as the natural system of classification of the species of the genus Pinus is of concerned, it...
Structural differences among the leaves of a single tree are well known and the literature on this s...
For morphological investigations the selection of material is of primary importance. This is especia...
The leaves of plants are their most exposed organs. The thin summer foliage of herbaceous plants and...
In a group of three white oaks on the grounds of the Iowa Sanitarium, one varies considerably from t...
The number of cell-layers in leaves of dicotyledons varies considerably but within fairly definite l...
ABSTRACTA number of conifer species are still lacking anatomical data, which is significant because ...
The cuticles of 58 extant conifer species are examined using scanning electron microscopy (SEM) and ...
Trees are fascinating. The largest of all woody plants, they have well-defined stems that support a ...
Different trees have different sorts of hark, the variation is of two main kinds. The hark of an ind...
Thesis (BS)--University of Illinois, 1900TypescriptIncludes bibliographical references (leaf 31
The purpose of the following presentation is to call attention briefly to the value of the twig and ...
This book deals with the comparative anatomy of the tissues of the bark, phloem, heartwood, sapwood,...
Seedling populations of seven Cupressus taxa were compared in common gardens to assess relationships...
The goal of the study was to check if the shape-describing characters, calculated as ratios of the m...
So far as the natural system of classification of the species of the genus Pinus is of concerned, it...
Structural differences among the leaves of a single tree are well known and the literature on this s...
For morphological investigations the selection of material is of primary importance. This is especia...
The leaves of plants are their most exposed organs. The thin summer foliage of herbaceous plants and...