| Titre : | Botanical Journal of the Linnean Society 133(2) - 2000-06-01 |
| Type de document : | Bulletin |
| Paru le : | 01/06/2000 |
Dépouillements
Article
A. Romero, Auteur ;
M. Luna, Auteur ;
E. Garcia, Auteur ;
M. F. Passini, Auteur
This account presents an analysis of allopatric, sympatric and juxtaposed populations of the pinyon pines, Pinus cembroides Zucc. and P. johannis M.-F. Robert, based on phenetic analysis of morphological data, and draws on a comparison and diffe[...]
Article
The filament curtain is a complex structure found in Acanthaceae inside the corolla. It usually divides the corolla into two compartments, enclosing the main nectar bulk behind two adjacent filament bands. Four independent floral characters are [...]
Article
Ulrich Meve, Auteur ;
Ralf Omlor, Auteur
Oncostemma cuspidatum K. Schum., described from the West African island of S˜o Tomé, is recognized as being synonymous with Tylophora oblonga N.E. Br., a widespread and variable species of mainland African rainforests. The monotypic genus Oncost[...]
Article
Khatijah Haji Hussin, Auteur ;
Chua Tse Seng, Auteur ;
Halijah Ibrahim, Auteur ;
Wu Qi Gen, Auteur ;
Liao Jing Ping, Auteur ;
Liu Nian, Auteur
The leaf anatomy of 20 Alpinia species from China was investigated. Results show that there is interspecific variation in the structure of the leaf midrib and petiole which can be used for species identification. Adaxial hypodermis is present in[...]
Article
Two examples of fragmentary, coalified plant fossils with cellular preservation and in situ spores are described using scanning and transmission electron microscopy (SEM and TEM), from a Lower Devonian (Lochkovian) locality in the Welsh Borderla[...]
Article
M. K. Gatt, Auteur ;
K. R. W. Hammett, Auteur ;
B. G. Murray, Auteur
Sequences of the internal transcribed spacers (ITS) of the 18S–26S nuclear ribosomal DNA were used to resolve phylogenetic relationships among 13 species of the genus Dahlia. Phylogenetic reconstruction from both parsimony analysis and pairwise [...]
