| Titre : | Botanical Journal of the Linnean Society 137(1) - 2001-09-01 |
| Type de document : | Bulletin |
| Paru le : | 01/09/2001 |
Dépouillements
Article
Detlev Metzing, Auteur ;
Joachim Thiede, Auteur
The primary sculpture of the seed surface in the genus Frailea (Cactaceae) is characterized by a ± flat outer periclinal wall and the presence of an usually eccentric papilla. Papilla morphology differs mainly in size and breadth:length ratio. S[...]
Article
A new species of Arabis L., A. alanyensis H. Duman sp. nov., is described and illustrated. The species is restricted to the north of Alanya (Antalya), It grows on calcareous rocks. Diagnostic morphological characters for discrimination from the [...]
Article
S. Dessein, Auteur ;
S. Jansen, Auteur ;
S. Huysmans, Auteur ;
E. Robbrecht, Auteur ;
E. Smets, Auteur
A detailed morphological and anatomical study of the tropical African genus Virectaria is presented. The observations are used to characterize the genus, to propose a key to all eight species, and to unravel the relationships between the species[...]
Article
Christian Brochmann, Auteur ;
Arnodd Håpnes, Auteur
Arctic saxifrages show conspicuous reproductive and chromosomal variation. We examined sexual and asexual traits in 43 phytotron-cultivated Svalbard populations of nine species, including the endemic, supposedly entirely asexual and aneupolyploi[...]
Article
Ozodbek A. Ashurmetov, Auteur ;
Svetlana S. Yengalycheva, Auteur ;
Reinhard M. Fritsch, Auteur
Morphological and embryological characters of the xerophilous species Allium crystallinum Vved., A. filidens Regel, and A. fritschii Khassanov et Yengalycheva (Allium subg. Allium) were compared. The morphology of flowers, the rate of developmen[...]
Article
Andrew P. Vovides, Auteur ;
Miguel A. Pérez-Farrera, Auteur ;
Carlos Iglesias, Auteur
Ceratozamia mirandai sp. nov. from the Sepultura Biosphere reserve of Chiapas, Mexico, is described and illustrated. Its closest affinities are with C. kuesteriana Regel from Tamaulipas of north-east Mexico, but differs in male and female cone a[...]
Article
Miguel A. Pérez-Farrera, Auteur ;
Andrew P. Vovides, Auteur ;
Carlos G. Iglesias, Auteur
Ceratozamia zoquorum sp. nov. from the northern mountains of Chiapas, Mexico, is described and illustrated. It has affinities with C. miqueliana Wendl. from Veracruz, but differs in leaf, male female cone and trunk morphology.
Article
Miguel A. Pérez-Farrera, Auteur ;
Andrew P. Vovides, Auteur ;
Carlos Iglesias, Auteur
The type locality in Chiapas of the rare and endangered Mexican cycad Ceratozamia norstogii D.W. Stev., originally collected by C. A. Purpus in 1925, has been found. This enabled us to emend and illustrate the description of C. norstogii, thus c[...]
Article
While working on a treatment of Violaceae for the Flore de Nouvelle-Caledonie et dependences, two new species were recognized, Agatea veillonii Munzinger and A. lecointei Munzinger. These species are here described and illustrated. Some taxonomi[...]
Article
Ulrich Meve, Auteur ;
Ralph M. Mangelsdorff, Auteur
A new species, Ceropegia yemenensis Meve & Mangelsdorff (Asclepiadoideae-Ceropegieae), from the province of Damar in northern Yemen, is described and illustrated. The tiny twiner with fleshy roots shares some characters with C. ahmarensis and C.[...]
