| Titre : | Botanical Journal of the Linnean Society 134(1-2) - 2000-09-01 |
| Type de document : | Bulletin |
| Paru le : | 01/09/2000 |
Dépouillements
Article
Pieter Baas, Auteur ;
Elisabeth Wheeler, Auteur ;
Mark Chase, Auteur
The recently proposed classification by the Angiosperm Phylogeny Group (APG) of angiosperms based on monophyletic groups as recognized mainly by molccular analysis is used here to discuss wood anatomical diversity patterns at the ordinal level. [...]
Article
New studies on the anatomy of the leaf, stem, stolon and root of 17 taxa of Gunnera have revealed several interesting anatomical features. Scalariform perforation plates occur in most vessel elements of stolons and roots, although simple perfora[...]
Article
Hannah Banks, Auteur ;
Peter Gasson, Auteur
Pollen from all 12 and wood from 11 genera in the Crudia group have been examined using light, scanning electron and transmission electron microscopy. This group is currently of systematic interest because it is part of a tribe undergoing taxono[...]
Article
P. Barry Tomlinson, Auteur ;
Paul Alan Cox, Auteur
The hypocotyl of viviparous seedlings of mangrove Rhizophoraceae (tribe Rhizophoreae) has a common suite of anatomical features but a range of anatomical structures that may be diagnostic at the generic or even specific level. This information i[...]
Article
William Louis Stern, Auteur ;
Walter S. Judd, Auteur
Vanilleae have been divided into three subtribes consisting of ten genera. We had material for study of all except Dictyophyllaria in subtribe Vanillinae. All genera except Vanilla have few species; Clematepistephium and Dictyophyllaria are mono[...]
Article
Paula J. Rudall, Auteur ;
John G. Conran, Auteur ;
Mark W. Chase, Auteur
This paper discusses the intrafamilial systematics of Ruscaccae sensu lata by means of a combined molecular-morphological analysis. Ruscaceae sensu lata (including former Con-vallariaceae. Dracaenaceae and Nolinaccac, as well as Comospermum and [...]
Article
Fossil wood is subject to different taphonomic, sampling and recognition biases in the palaeobotanical record when compared with leaves and palynomorphs. Wood therefore provides a systematically independent source of information that can increas[...]
Article
Cutler suggested almost 30 years ago that there was convergent evolution between African and Australian Restionaceae in the distinctive culm anatomical features of Restionaceae. This was based on his interpretation of the homologies of the anato[...]
Article
R. T. Pennington, Auteur ;
B. Gemeinholzer, Auteur
Andira comprises 29 species distributed throughout tropical America, with two subspecies in Africa. Its fruits are unusual for a papilionoid legume because they are drupes. The majority of species have fruits dispersed by bats, but eight species[...]
Article
D. Edwards, Auteur ;
L. Axe, Auteur
Elongate cells presumed to comprise water-conducting tissues are described from the central regions of short lengths of two naked, stomatiferous, coalified, axial fossils from Lochkovian (Lower Devonian) fluvial rocks in the Welsh Borderland. In[...]
Article
E. Crow, Auteur ;
R. J. Murphy, Auteur
Results of trials using chemical and enzymatic wall extractants for the removal of matrix materials for in situ observations of newly deposited microfibrils are described. Observations were then made of the orientation of microfibrils on the inn[...]
Article
Jing-Ping Liao, Auteur ;
Qi-Gen Wu, Auteur
Seeds in Zingiberaceae comprise an aril, seed coat, perisperm, endosperm, embryo, and micropylar and chalazal region. The seed coat is derived from the outer integument, and can be divided into cxotesta, mcsotesta and endotesta; the mesotesta is[...]
Article
Collenchyma, a common mechanical tissue of Araceae, was surveyed in leaves and petioles of 108 of 109 genera. The tissue is either absent or present in several configurations including peripheral bands, interrupted bands and separate strands. ‘B[...]
Article
M. C. Bridge, Auteur ;
V. Winchester, Auteur
Tree-ring studies on dominant and co-dominant oak standards from four woodlands on the western fringes of London were studied in relation to known historical and meteorological conditions. Whilst previous studies suggested a decline in oak growt[...]
Article
Louis P. Ronse Decraene, Auteur ;
Suk-Pyo Hong, Auteur ;
ERIK SMETS, Auteur
Fruits of Polygonaceae have a basically similar construction of indchiscent nuts or achencs. Sections of fruits, coupled with surface patterns were studied with SEM and LM in all genera of the tribes Persicarieae and Polygoneae (Polygonoidcae-Po[...]
Article
Christopher R. Hardy, Auteur ;
Dennis W. Stevenson, Auteur
Flowers of Cochliostema odoratissimum are trimerous with three fertile stamens, three unequal antherless staminodes. and three connate carpels. The fertile stamens are on one side of die flower and united by their filaments, forming a compound s[...]
Article
H.-Dietmar Behnke, Auteur ;
Jens Treutlein, Auteur ;
Michael Wink, Auteur ;
Klaus Kramer, Auteur ;
Christian Schneider, Auteur ;
P. C. Kao, Auteur
Sieve-element plastids and rbcL nucleotide sequences were analysed for Velloziaceae and all families sometimes discussed as close allies (Acanthochlamydaceae, Amaryllidaceae, Bromeliaceae, Cyclanthaceae, Haemodoraccae, Hypoxidaceae, Pandauaccae,[...]
