Results 41 to 50 of about 214,029 (378)

Panax siamensis J. Wen, a new species of the ginseng genus (Panax, Araliaceae) from northern Thailand [PDF]

open access: yesPhytoKeys, 2023
We herein describe a new species, Panax siamensis J. Wen, from the tropical monsoon forests in northern Thailand. Panax siamensis is characterized by a combination of characters including horizontally elongated rhizomes with thick internodes, 3–5 whorled
Jun Wen   +2 more
doaj   +3 more sources

A review of Leptospermum scoparium (Myrtaceae) in New Zealand [PDF]

open access: yes, 2005
Information about Leptospermum scoparium (Myrtaceae), the most widespread and important New Zealand indigenous shrub species, is reviewed. L. scoparium is a variable species, requiring more study of the genetically based differences between New Zealand ...
Clarkson, Bruce D.   +2 more
core   +2 more sources

Pleistocene aridification underlies the evolutionary history of the Caribbean endemic, insular, giant Consolea (Opuntioideae).

open access: yesAmerican-Eurasian journal of botany, 2021
PREMISE The Caribbean islands are in the top five biodiversity hotspots on the planet; however, the biogeographic history of the seasonally dry tropical forest (SDTF) there is poorly studied.
L. Majure   +5 more
semanticscholar   +1 more source

The Origanum Collection of Gaetano Savi (1769-1844) in the Herbarium Horti Pisani (PI) [PDF]

open access: yes, 2014
The Origanum Collection of Gaetano Savi (1769-1844) in the Herbarium Horti Pisani (PI). The collection of exsiccata of the genus Origanum, studied by Gaetano Savi and kept in the Herbarium Horti Pisani (PI) represents a valuable document of Savi's work ...
AMADEI L.   +3 more
core   +1 more source

Species delimitation in the cyanolichen genus Rostania

open access: yesBMC Evolutionary Biology, 2020
Background In this study, we investigate species limits in the cyanobacterial lichen genus Rostania (Collemataceae, Peltigerales, Lecanoromycetes). Four molecular markers (mtSSU rDNA, β-tubulin, MCM7, RPB2) were sequenced and analysed with two coalescent-
Alica Košuthová   +3 more
doaj   +1 more source

Not all temperate deciduous trees are leafless in winter: The curious case of marcescence

open access: yesEcosphere, 2023
Temperate deciduous forests by definition include a large proportion of woody species that shed their leaves each autumn and are completely leafless during winter months.
J. Mason Heberling, Rose‐Marie Muzika
doaj   +1 more source

Assembling the Tree of Life in Europe (AToLE) [PDF]

open access: yes, 2009
A network of scientists under the umbrella of 'Assembling the Tree of Life in Europe (AToLE)' seeks funding under the FP7-Theme: Cooperation - Environment (including Climate Change and Biodiversity Conservation) programme of the European ...
Alexandre Hassanin   +11 more
core   +2 more sources

Specimen poetics: botany, reanimation, and the Romantic collection [PDF]

open access: yes, 2017
This essay argues that the modern literary anthology—and specifically its aspiration to delimit both aesthetic merit and historical representativeness—emerged as a response to changes in eighteenth-century botanical collecting, description, and ...
Porter, Dahlia
core   +1 more source

Species delimitation and hybridisation history of a hazel species complex.

open access: yesAnnals of Botany, 2021
BACKGROUND AND AIMS Hybridisation increases species adaptation and biodiversity but also obscures species boundaries. In this study, species delimitation and hybridisation history were examined within one Chinese hazel species complex (Corylus chinensis ...
Zhiqiang Lu   +5 more
semanticscholar   +1 more source

Phylogeny of the European Collema species (Peltigerales, Lecanoromycetes) [PDF]

open access: yesMycoKeys
The phylogenetic relationships and morphological diversity within European Collema s. str. species were investigated. A total of 104 new sequences (four molecular markers; mtSSU, b-tub, MCM7, and RPB2 genes) from 28 specimens were generated, and analysed
Alica Košuthová   +3 more
doaj   +3 more sources

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