Genera Orchidacearum: Volume 2. Orchidoideae (Part 1)

Copertina anteriore
Alec M. Pridgeon, Phillip J. Cribb, Finn N. Rasmussen, Mark W. Chase, Finn Rasmussen
OUP Oxford, 1999 - 438 pagine
Orchidaceae are the largest monocot family and likely the largest plant family in terms of number of species (ca. 20,000), but for a variety of reasons it remains one of the least understood: lack of a fossil record, relative scarcity of active research until recent years, size and geographical distribution of the family, and the largely tropical distribution of most, which hinders access. The early classifications and generic circumscriptions of Lindley (1830-1840), Bentham and Hooker (1883) and Schlechter (1927) relied mainly on morphological characters, especially floral features. The problem with such reliance on floral features at higher levels of classification is that floral morphology is extremely plastic in evolutionary terms, so that unrelated species may have developed similar structures in response to similar selection, particularly pollinator pressures. Such parallelisms are rife in Orchidaceae, so it is necessary to apply more objective criteria and character choices in trying to unravel the complexities of the family's history. Robert L. Dressler's (Phylogeny and Classification of the Orchid Family, Cambridge University Press, 1993) classification introduced characters from pollen, seeds, and anatomy to supplement traditional characters. The recent surge in molecular approaches, especially multigene analyses, combined with several other types of new data, had not only contradicted key elements of Dressler's concepts at higher levels but will result in the recircumscription of many genera. The aim of Genera Orchidacearum is therefore to produce a more robust and natural account of the orchids at the generic level, incorporate the wealth of new molecular data in a truly phylogenetic classification, and identify those areas and taxa that need additional work.
 

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Sommario

The origin and biogeography of Orchidaceae
1
VOGELPOEL LV
7
DR SALVATORE COZZOLINO SCORCHIDEAE
24
Eriochilus
104
Glossodia
107
Leptoceras
110
Praecoxanthus
113
Cryptostylidinae
115
Centrostigma
269
Chamorchis
271
Chondradenia
272
Comperia
273
Cynorkis
276
Dactylorhiza
279
Diphylax
284
Diplomeris
286

Coilochilus
116
Cryptostylis
118
Diuridinae
125
Diuris
126
Orthoceras
131
Drakaeinae
134
Arthrochilus
135
Caleana
139
Chiloglottis
143
Drakaea
149
Spiculaea
152
Megastylidinae
155
Burnettia
157
Leporella
159
Lyperanthus
162
Megastylis
165
Pyrorchis
167
Rimacola
170
Waireia
172
Prasophyllinae
175
Genoplesium
177
Microtis
181
Prasophyllum
186
Rhizanthellinae
193
Thelymitrinae
197
Calochilus
199
Epiblema
204
Thelymitra
205
ORCHIDEAE
214
Orchidinae
239
Aceratorchis
245
Amitostigma
247
Anacamptis
249
DR AMOTS DAFNI AD
252
Androcorys
255
Barlia
257
Bartholina
259
Benthamia
261
Bonatea
263
Brachycorythis
265
Dracomonticola
288
Galearis
290
Gennaria
292
Gymnadenia
294
Habenaria
298
Hemipilia
303
Herminium
305
Himantoglossum
309
Holothrix
313
Megalorchis
315
Veobolusia
317
Veotinea
320
Neottianthe
325
Oligophyton
326
Ophrys
327
Orchis
333
Pecteilis
339
Peristylus
341
Physoceras
343
Platanthera
345
Platycoryne
350
Ponerorchis
354
Porolabium
355
Pseudorchis
357
Roeperocharis
359
Schizochilus
361
Serapias
364
Smithorchis
367
Stenoglottis
368
Steveniella
371
Symphyosepalum
373
Thulinia
375
Traunsteinera
377
Tylostigma
379
Leyretella
381
References
383
Index to scientific names
407
Subject index
411
Copyright

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Informazioni sull'autore (1999)

Dr. Alec M. Pridgeon, Sainsbury Orchid Fellow, Royal Botanic Gardens, Kew Dr. Phillip J. Cribb, Deputy Keeper, Herbarium, and Curator, Orchid Herbarium, Royal BotanicGardens, Kew Dr. Mark W. Chase, Head, Molecular Systematics Section, Royal Botanic Gardens, Kew Dr. Finn N. Rasmussen, AssociateProfessor, Botanical Institute, University of Copenhagen

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