Journal Vol 76-5

Sep - Oct 2004

 

The genus Dudleya Britton& Rose (Crassulaceae): its systematics and biology
Joachim Thiede

William Russel Dudley
Julie Cain

Looking for Dudleyas in the US
Julia Etter & Martin Kristen

History of the Journal: Dudleya
D Russell Wagner

Komodo Dragon of Dudleyas? A range extension and the case for gigantism in Dudleya candelabrum
Stephen Ward McCabe

Terrestrial barnacles (hiding in plain sight) Dudleya pulverulenta
Steven Hammer

Whence came Dudleya?
Charles H Uhl

Dudleya cymosa
Kelly J Griffin

Finding Dudleyas in Baia California
Julia Etter & Martin Kristen

Dudleya, where art thou? Dudleya distribution map

ISI dudleya offerings since 1958

Dudleya candida A chance encounter with the big form of D. brittonii, or is it the other way around?
Kelly J Griffin

On the troubles with identifying dudleyas and telling the differences among D. brittonii, D. anthonyi and D. pulverulenta
Kelly J Griffin

The rarest Dudleya species
Stephen Ward McCabe

Growing dudleyas
Dylan P Hannon

Notes on hardiness in Dudleya
Stephen Ward McCabe

Dudleya gnoma `White Sprite' What do you do with a cultivar name if the species name changes?
Stephen Ward McCabe

Dudleya growing in hot-summer climates
Leo Martin

Succulents on Stamps Crassulaceae
Peg Spaete

     

    On the cover: Framed by the remains of a cylindropuntia, Dudleya anthonyifinds home well-hidden in thick brush in the Socorro Canyon, Baja California Norte, Mexico. The strikingly farinose leaves and unusual size (38 cm across) attracted the attention of the photographers, Julia Etter and Martin Kristen, during the early stage of flowering in May. This special issue of the journal is dedicated to Dudleya, a large genus in the Crassula family. Plants of this genus occur in a well-defined area between southern Oregon and the southern tip of the Baja peninsula, extending east only as far as Arizona. Most of the species have a small area of distribution and are known to hybridize readily (but, unlike the other North American Crassulaceae, only with other dudleyas). Their variability and hybridization make this genus difficult for taxonomic classification, Reid Moran, well-known expert on this genus, admits that more intensive study must to be conducted in order to clarify Dudleya nomenclature. People interested in Dudleya soon find out that there are not many publications available, and quality illustrations of plants in their natural habitat are scarce. We hope our approach, with a strong focus on habitat, travel and horticulture makes for a compelling introduction to these fascinating plants.

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