| Titre : | Botanical Journal of the Linnean Society 135(3) - 2001-03-01 |
| Type de document : | Bulletin |
| Paru le : | 01/03/2001 |
Dépouillements
Article
Miguel Menezes De Sequeira, Auteur ;
Teresa Almaraz, Auteur
During biometric studies it was observed that several specimens of Holcus mollis L. presented a peculiar but constant morphology caused by the presence of Tilletia holci (Westend.) J. Schrot. These changes in morphology were very clear in the sp[...]
Article
Previous supraspecific classifications of the genus Kobresia are evaluated. The evolution of the genus is discussed, and a preliminary revised supraspecific classification based on putative evolution is proposed. Previous classifications were mo[...]
Article
The Wollemi Pine (Wollemia nobilis, Araucariaceae) was discovered in 1994 in a remote area of the Wollemi National Park (New South Wales, Australia). With only around 40 adult trees known to be growing in the wild, it is one of the worlds rarest[...]
Article
D. Edwards, Auteur ;
E. M. Morel, Auteur ;
F. Paredes, Auteur ;
D. G. Ganuza, Auteur ;
A. Zúñiga, Auteur
Abundant but fragmentary plant fossils are described from two locations in shallow water marine facies of the Lipeón (previously Kirusilla) Formation of southern Bolivia. Field relationships and limited palaeontological data suggest that the roc[...]
Article
P. Barry Tomlinson, Auteur ;
Elizabeth H. Zacharias, Auteur
In Amentotaxus, Cephalotaxus and Torreya there is a regular seasonal alternation of foliage leaves and bud-scales, with foliage leaves largely preformed, i.e. initiated in the season before they expand. On most plagiotropic shoots phyllotaxis in[...]
Article
Aruna D. Weerasooriya, Auteur ;
Richard M. K. Saunders, Auteur
Three new species of Mitrephora (Blume) Hook. f. & Thomson, M. clemensiorum, M. vittata and M. woodii, are described from Sabah, Malaysia. Mitrephora clemensiorum is related to M. korthalsiana Miq., but is distinguished by having long infloresce[...]
Article
Paulo Silveira, Auteur ;
Jorge Paiva, Auteur ;
N. Marcos Samaniego, Auteur
A new species, Arubis beirunu P. Silveira, Paiva & N. Marcos, from central Portugal is described and illustrated. A list of diagnostic differences between Arabis beirana and the closely related species A. sadina and A. stenocarpa is provided
Article
Rajesh Tandon, Auteur ;
K. R. Shivanna, Auteur ;
H. Y. Mohan Ram, Auteur
Phenology, pollination biology and breeding system were investigated in three populations of Acacia senegal located in Delhi and Rajasthan. Flowers emit a mild fragrance and produce a minute quantity of nectar. The stigma is wet non-papillate, c[...]
Article
M. Mendum, Auteur ;
P. Lassnig, Auteur ;
A. Weber, Auteur ;
F. Christie, Auteur
The current sectional classification of the genus Aeschynanthus Jack, essentially based on seed morphology, presents some problems of species placement. A comparative SEM survey of seed and seed appendages was undertaken in order to assess the v[...]
Article
Lennart Andersson, Auteur ;
Mark W. Chase, Auteur
Relationships of Marantaceae were estimated from nucleotide sequence variation in the rps16 intron (plastid DNA) and from morphological characters. Fifty-nine species (21 genera) formed the ingroup, and 12 species (12 genera) of other Zingiberal[...]
Article
Lourdes Rico Arce, Auteur ;
Hannah Banks, Auteur
Descriptions of the pollen of seven species of Acacia subgenus Aculeiferum are presented, and the wall structure described as seen by transmission electron microscopy of ultrathin sections. Comparisons are made between species representing secti[...]
