Výsledky vyhledávání - "Norman K. B. Robson"

Two new taxa of Hypericum (Hypericaceae) from Turkey

Autor: Tuncay Dirmenci, Norman K. B. Robson

Publikováno v: Kew Bulletin. 74

Two new taxa of Hypericum are described from Turkey — H. cuisinii Barbey subsp. anatolicum Dirmenci & N.Robson from Aydin province and H. kemaliyensis Dirmenci & N.Robson from Erzincan province, and their relationships are discussed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1518ea47ae9c4e260667ed13d476e97e
https://doi.org/10.1007/s12225-019-9856-8

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Studies in the genusHypericumL. (Clusiaceae).1Section 9.Hypericum sensu lato(part 3): Subsection 1.Hypericumseries 2.Senanensia, subsection 2.Erectaand section 9b.Graveolentia

Autor: Norman K. B. Robson

Publikováno v: Systematics and Biodiversity. 4:19-98

Part 4(3) of this monographic series of papers on the genus Hypericum is prefaced by an introduction to the genus and a summary of the aims and methods of the project. This is followed by treatments of the remaining parts of sect. 9. Hypericum sensu

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https://doi.org/10.1017/s1477200005001842

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Plate 486. Hypericum kouytchense Clusiaceae

Autor: Norman K. B. Robson

Publikováno v: Curtis's Botanical Magazine. 21:49-53

Summary. Hypericum kouytchense H. Leveille is a native of Guizhou province in south-west China, which is the origin of its name. It has been grown under several invalid or misapplied names, and its name has been used in cultivation for two other spec

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https://doi.org/10.1111/j.1467-8748.2004.00411.x

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Plate 337. Hypericum subsessile

Autor: Norman K. B. Robson

Publikováno v: Curtis's Botanical Magazine. 15:92-95

Hypericum subsessile N. Robson (Clusiaceae/Guttiferae) belongs to section Ascyreia, the basic Asian section of Hypericum. Although first collected (from Yunnan and Sichuan respectively) in 1928 and 1929, it was not described until 1985, after its red

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https://doi.org/10.1111/1467-8748.00140

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And then came molecular phylogenetics—Reactions to a monographic study of Hypericum (Hypericaceae)

Autor: Norman K. B. Robson

Publikováno v: Phytotaxa. 255:181

Completion of a detailed monograph of Hypericum using traditional methods has stimulated the publication of phylogenetic treatments of the genus using molecular methods. The relationships thereby revealed differ from those of the traditional account

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https://doi.org/10.11646/phytotaxa.255.3.1

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Taxonomy and Chemotaxonomy of the Genus Hypericum

Autor: Sara L, Crockett, Norman K B, Robson

Publikováno v: Medicinal and aromatic plant science and biotechnology. 5(Special Issue 1)

The genus Hypericum L. (St. John’s Wort, Hypericaceae) includes, at the most recent count, 469 species that are either naturally occurring on, or which have been introduced to, every continent in the world, except Antarctica. These species occur as

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https://pubmed.ncbi.nlm.nih.gov/22662019

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Herbaria are a major frontier for species discovery

Autor: Jay Paige, Robert W. Scotland, Mark A. Carine, David Harris, Gerrit Davidse, Norman K. B. Robson, Ghillean T. Prance, Daniel P. Bebber, John R. I. Wood, Alexandra H. Wortley, Terry D. Pennington

Publikováno v: Proceedings of the National Academy of Sciences of the United States of America. 107(51)

Despite the importance of species discovery, the processes including collecting, recognizing, and describing new species are poorly understood. Data are presented for flowering plants, measuring quantitatively the lag between the date a specimen of a

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http://ora.ox.ac.uk/objects/uuid:bcd68116-bc4b-46ba-990d-c2f7f93485a6

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Studies in the genus Hypericum L. (Guttiferae) 4(2). Section 9. Hypericum sensu lato (part 2): subsection 1. Hypericum series 1. Hypericum

Autor: Norman K. B. Robson

Publikováno v: Bulletin of The Natural History Museum. Botany Series. 32

Introduction 61Sect. 9. Hypericum 61Subdivision 61Characters and variation 61Distribution and evolution 62Sect. 9. Hypericum subsect. 1. Hypericum series 1. Hypericum 62Characters and variation 62Hybrids 64Distribution and evolution 65Systematic trea

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https://doi.org/10.1017/s096804460200004x

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Studies in the genus Hypericum L. (Hypericaceae) 5(1). Sections 10. Olympia to 15/16. Crossophyllum

Autor: Norman K. B. Robson

Publikováno v: Phytotaxa. 4:5

Part 5(1) of this monographic series of papers on the genus Hypericum contains treatments of Section 10. Olympia and its relatives (Sections 11. Campylopus –16. Crossophyllum ), which form a Euro-Mediterranean group centred in south-western Turkey

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https://doi.org/10.11646/phytotaxa.4.1.2

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