| Titre : | Botanical Journal of the Linnean Society 138(1) - 2002-01-01 |
| Type de document : | Bulletin |
| Paru le : | 01/01/2002 |
Dépouillements
Article
Hanna Weiss, Auteur ;
Byung-Yun Sun, Auteur ;
Tod F. Stuessy, Auteur ;
Chul Hwan Kim, Auteur ;
Hidetoshi Kato, Auteur ;
Michio Wakabayashi, Auteur
Chromosomal changes, including polyploidy and dysploidy, often accompany speciation of angiosperms in continental regions. In contrast, on geologically young oceanic islands, little change in chromosome number occurs during speciation of endemic[...]
Article
The pollination biology of Sauroglossum elatum Lindl (Orchidaceae: Spiranthinae) was studied in the State of São Paulo, south-eastern Brazil. This orchid is protandrous and almost fully self-compatible, but pollinator-dependent. Thus, pollinator[...]
Article
Twelve palm flowers in one piece of Dominican amber and a single flower in a second piece are described as Trithrinax dominicana sp. nov. (Thrinacinae: Coryphoideae), representing the first fossil record of this genus. There are no members of Tr[...]
Article
Batia Pazy, Auteur ;
Uzi Plitmann, Auteur
In an attempt to find any association between chromosomal characters and parasitism, a cytological study of parasitic flowering plants in Israel has been carried out. While no such association was found, evidence for three levels of chromosome e[...]
Article
S. D. Johnson, Auteur ;
T. J. Edwards, Auteur ;
C. Carbutt, Auteur ;
C. Potgieter, Auteur
The evolution of pollination systems has been investigated in Zaluzianskya section Nycterinia (Scrophulariaceae), a group characterized by very long-tubed flowers (up to 60 mm) that open either only at night (19 species) or during the day (one s[...]
Article
L. P. Jayatissa, Auteur ;
F. Dahdouh-Guebas, Auteur ;
N. Koedam, Auteur
Recently published reports list numbers and distributions of Sri Lankan mangrove species that outnumber the actual species present in the field. The present study serves to review this literature and highlight the causes of such apparently large[...]
Article
The scope of morphological plasticity of vegetative structures among Podostemoideae (Podostemaceae) is documented for Crenias weddelliana, a neotropical species,Maferria indica, a palaeotropical species, and Sphaerothylax abyssinica, from Kenya,[...]
Article
Shuang-Quan Huang, Auteur ;
Chun-Feng Yang, Auteur ;
Bin Lu, Auteur ;
Yoshitaka Takahashi, Auteur
Floral syndromes and pollination of three species of Phyllostachys bamboos were studied in Central China in 1999 and 2000. All were protogynous. Stigmas were receptive and had pollen deposited on them 2 days before anther dehiscence. The period [...]
Article
Zulma E. Rúgolo De Agrasar, Auteur ;
M. Fernanda Rodríguez, Auteur
The presence of woody bamboos in Argentine archaeological sites led to attempts to identify them. In general, fragments of culm are recovered with nodes, internodes (or parts of them) and occasionally nodes with buds or their vestiges, but witho[...]
Article
Saverio D'Emerico, Auteur ;
Salvatore Cozzolino, Auteur ;
Giuseppe Pellegrino, Auteur ;
Domenico Pignone, Auteur ;
Antonio Scrugli, Auteur
The relationships between Dactylorhiza romana and D. saccifera from southern Italy were analysed. These two species, both with 2n = 2x = 40 chromosomes and belonging to different sections of the genus, were distinguishable on the basis of karyot[...]
Article
E. Chauser-Volfson, Auteur ;
Z. Shen, Auteur ;
Z. Hu, Auteur ;
Y. Gutterman, Auteur
Eight leaves from four different plants of Aloe hereroensis and 18 leaf parts of each leaf were tested by anatomic, fluorescence microscopy and TLC methods. Four phenolic secondary metabolites, homonataloin and three isomers of aloeresin, were f[...]
