Results 1 to 10 of about 1,293 (99)

The complete chloroplast genome of Persicaria pensylvanica (L.) M.Gómez (Polygonaceae): a comparative phylogenetic analysis of the genus Persicaria [PDF]

open access: yesMitochondrial DNA. Part B. Resources
Persicaria pensylvanica (L.) M. Gómez (=Polygonum pensylvanicum L.), known as Pennsylvania smartweed or pinkweed, is an annual herb adaptable to various soil types in the family Polygonaceae.
Junhyun Hur, Sang-Tae Kim
doaj   +2 more sources

The family Polygonaceae in West Africa: Taxonomic significance of leaf epidermal characters

open access: yesSouth African Journal of Botany, 2006
AbstractComparative studies have been carried out on the leaf epidermal features of the species in the family Polygonaeae in West Africa. Epidermal cells are mainly isodiametric in Symmeria paniculata, irregular or more often polygonal with curved, straight and undulate to sinuate anticlinal walls. A few species e.g.
Ayodele, A.E., Olowokudejo, J.D.
exaly   +2 more sources

DNA barcoding and phylogenetic insights into the selected endemic flora of the Western Himalayas [PDF]

open access: yesScientific Reports
The Himalayan region is recognized as one of the world’s major biodiversity hotspots due to its remarkable altitudinal variation, high species richness, and exceptional endemism.
Shakila Umer   +13 more
doaj   +2 more sources

October Flower, Polygonella polygama

open access: yesEDIS, 2018
October flower is widespread throughout Florida and more broadly in coastal states west to Texas and northeast to Virginia. October flower is found in dune and scrub plant communities and ruderal areas. The showy flowers and attractive foliage make this
Debbie Miller   +4 more
doaj   +5 more sources

Plastome phylogenomics and biogeography of the subfam. Polygonoideae (Polygonaceae)

open access: yesFrontiers in Plant Science, 2022
Polygonaceae has a complex taxonomic history, although a few studies using plastid or nuclear DNA fragments have explored relationships within this family, intrafamilial relationships remain controversial.
Huajie Zhang   +28 more
doaj   +1 more source

Inclusions of flowers of Podopterus (Polygonaceae) in the Miocene amber of Simojovel de Allende, Chiapas, Mexico

open access: yesActa Botanica Mexicana, 2023
Background and Aims: The Miocene amber from Chiapas, Mexico, shows high diversity of biological inclusions such as plants, fungi, arthropods, and vertebrates, being one of the most important amber-bearing areas worldwide.
Emilio Estrada-Ruiz
doaj   +1 more source

The smut fungi of Greenland [PDF]

open access: yesMycoKeys, 2020
The first taxonomic treatment of the smut fungi in Greenland is provided. A total of 43 species in 11 genera are treated and illustrated by photographs of sori, microphotographs of spores in LM and SEM, and distribution maps.
Teodor T. Denchev   +2 more
doaj   +3 more sources

Ecological and Geographical Structure of the Plant Cover of the East Asian Boreal–Nemoral Ecotone (the Lower Amur Region, Far East Russia)

open access: yesPlants, 2023
The study of the biodiversity of vegetation cover in the context of its genesis and development is an important task. The results of these studies are the basis for the development of ecological, biogeographical, evolutionary, and sociological research ...
Maria V. Kryukova
doaj   +1 more source

A review on genus Calligonum L. (Polygonaceae) from India and report Calligonum crinitum an addition for Flora of India

open access: yesJournal of Asia-Pacific Biodiversity, 2020
Genus Calligonum is represented by only two species from Rajasthan, India belonging to family Polygonaceae and Calligonum crinitum Boiss. is reported here for the first time from India on the basis of a recent collection from Indian desert (Rajasthan ...
C.S. Purohit, Ramesh Kumar
doaj   +1 more source

What we already know about rhubarb: a comprehensive review

open access: yesChinese Medicine, 2020
Rhubarb (also named Rhei or Dahuang), one of the most ancient and important herbs in traditional Chinese medicine (TCM), belongs to the Rheum L. genus from the Polygonaceae family, and its application can be traced back to 270 BC in “Shen Nong Ben Cao ...
Hong Xiang   +3 more
doaj   +1 more source

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