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J.C. Th. Uphof:

Plant Hairs

[with the article:] Die Verbreitung der Haartypen in den natürlichen Verwandtschaftsgruppen von Hummel, Karl; Staesche, Karin

1962. XI, 292 pages, 96 figures, 10 Photos, 17x24cm, 1000 g
Language: English

(Encyclopedia of Plant Anatomy, Band IV / 5)

ISBN 978-3-443-39005-1, bound, price: 61.00 €

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Contents

Contents top ↑

Vorwort zur 1. Auflage VIII
Preface to the second edition IX
I. Introduction 1
A. The development of our knowledge up to 1877 1
B. Definition of the concept "trichome" 8
C. Attempts at a classification of the trichomes 10
II. Description of the trichomes 13
A. Dimensions, number of cells, relation to the surrounding cells,
and number of trichomes per unit of surface 13
B. Classification of the various kinds of trichomes 17
C. Structure, physical properties and chemical composition of the
hair walls 30
1. Cuticle 30
2. The other layers of the cell-wall 31
3. Design of the cuticle and cell-wall protuberances 39
a) The relief on the outside of the cell-wall 39
b) Centripetal structures 41
4. Changes in the composition of the cell-wall 42
5. Incrustation of the cell-wall 45
a) Silicification 45

b) Incrustation with calcium salts 49
D. Protoplast and cell-contents 53
III. Development of the trichomes 57
A. Place and time of their first appearance 57
B. The unicellular trichomes 58
C. The pluricellular trichomes 61
1. Trichomes in which the first wall is periclinal one 61
2. Trichomes in which the first wall is either anticlina1 or oblique 66
D. Emergences 68
E. Examples of the development of some types of pluricellular
trichomes 72
F. Original position and subsequent changes in position 76
G. The mechanisms responsible for the change in orientation 77
H. Final differentiation and subsequent decline 88
1. Changes in shape and in contents 88
a) Non-glandular trichomes 91
b) Glandular trichomes 99
c) Regeneration 101
2. The way in which the trichomes are shed 103
I. Pathological developments 117
IV. Physiological and ecological aspects 119
A. Functions based on structural peculiarities 121
1. Hairs provided with hooks and hairs secreting sticky substances 121

2. Collecting hairs 124
3. Parachute hairs 126
4. Lever hairs 126
5. Dove-tailing papillae 127
6. Trap-hairs and protective hairs 127

7. The indumentum as a reinforcement, as a buffer, and as a stuffing 128
B. Secretory and excretory activities 129
1. Noteworthy features shown by the cell-walls of the glandular
trichomes 130
2. The secretion process 134
3. Production of mucilage 145
C. The part played by the trichomes in the maintenance of the
water balance 148
1. Water-storing trichomes 148
2. Trichomes, other than root hairs, as water-absorbing organs 150
3. Trichome hydathodes 160
D. The indumentum as a protection against loss of water by
transpieation and against the effects of irradiation and eradiation 168
E. On the absorption of gases by living trichomes 171
F. Some other ecological functions 172
1. Trichomes as a protection of young parts 173
2. Trichomes as a. protection against herbivorous animals 170
G. Trichomes with a strongly specialised function 177
1. Digestive glands of the insectivorous plants 177
a) Sarraceniaceae
b) Nepenthaceae 180

c) I)roseraceae 181
d) Cephalotaceae 187
e) Byblidaceae 187
f) Lentibulariaceae 188
2. The glands of Roridula, 191
3. Tactile trichomes 191
V. Morphological and phylogenetic considerations 193
VI. Topography of the trichomes 196
II. Differences found in the indumentum of nearly related taxa, 200
VIII. Genetics 201
A. The relation between the indumentum found in the first generation
of a cross and that which is present in the parents 201
B. The character of the indumentum in the F2 and F3 203
C. Mutations in the indumentum 204
IX. The taxonomic value of the trichome characters 203
Die Verbreitung der Haartypen in den natürlichen lTerwandtsehaftsgruppen
Einleitung 209
I. Die Haartypen 211
1. Einzellige Haare 211
2. Sternhaare (Büschelhaare) und Schildhaare 212
3. Einzellreihige Haare 213
4. Köpfchenhaare 21o
5. Mehrzellreihige Haare 216
II. Die Verbreitung der Haartypen in den Ordnungen der Angiospermen 218
1. Einzellige Haare (zugleich Übersicht über die übrigen vorkommenden
Haarformen) 218
Choripetalae 218
Archichlamydeae 222
Sympetalae 224
Monokotyledoneae 226
2. Stern- und Schildhaare 228
Choripetalae 228
Archichlamydeae 229
Sympetalae 230
Monokotyledoneae 230
3. Einzellreihige Haare 230
Chori petalae 230
Archichlamydeae 232
Sympetalae 233
Monokotyledoneae 23o
4. Köpichenhaare 236
Chori petalae 236
Archichlamydeae 238
Sympetalae 239
Monokotyledoneae 240
5. Mehrzellrelhige Haare 241

Choripetatae 241
Archichlamydeae 242
Sympetalae 242
Monokotyledoneae 243
III. Grundzüge der Verbreitung einzelner Haartypen 244
1. Einzellige Haare 244
2. Sternhaare 246
3. Einzellreihige Haare 246
4. Köpichenhaare 248
5. Mehrzellreihige Haare 249

Bibliography 251
List of Authors 273
Index of plant names 279
Subject Index-Sachverzeichnis 288