| Titre : | Botanical Journal of the Linnean Society 129(2) - 1999-02-01 |
| Type de document : | Bulletin |
| Paru le : | 01/02/1999 |
Dépouillements
Article
Imogen Poole, Auteur ;
Hazel P. Wilkinson, Auteur
A pyritized twig resembling stems of the family Cclastraceae is described from the Eocene London Clay Formation of south-east England. This specimen is assigned to the form genus Celastrinoxylon (Schenk) Krausel 1939. The fossil has been studied[...]
Article
Josep A. Rosselló, Auteur ;
Néstor Torres, Auteur ;
Llorenc Saez, Auteur
A new diploid species, Biscutella ebusitana is described from coastal cliffs of the western Balearic islands. It is related to B. sempervirens L. and B. montana Cav. from which it can be distinguished by a combination of vegetative (shape, size,[...]
Article
Michelle L. Hollingsworth, Auteur ;
John P. Bailey, Auteur ;
Peter M. Hollingsworth, Auteur ;
Colin Ferris, Auteur
Chloroplast inheritance and the direction of hybridization have been investigated in some invasive weeds from the genus Fallopia. PCR RFLP analysis of the tmK intron has been used to identify markers that distinguish between the chloroplast geno[...]
Article
Edward L. Schneider, Auteur ;
Sherwin Carlquist, Auteur
With scanning electron microscopy (SEM), the nature of metaxylem vessel elements and tracheids was examined in Ophioglossum crotalophoroides, O. pendulum subsp. falcatum, and O. vulgatum roots and rhizomes. Vessels were identified in all species[...]
Article
William Louis Stern, Auteur ;
W. Mark Whitten, Auteur
Stanhopeinae are a group of tropical American orchids characterized by euglossine bee pollination and lateral inflorescences stemming from the bases of pseudobulbs. Leaves are hypostomatal, and all stomatal configurations are tetracytic. Chloren[...]
Article
Baoyin Geng, Auteur ;
JASON HILTON, Auteur
Recent research on the Cathaysian flora of the Early Permian Shanxi Formation in Henan Province, southern China has led to the identification of a new kind of fertile shoot system of spermatophyte affinity, Loroderma henania gen. et sp. nov. Fro[...]
