Results 31 to 40 of about 6,525 (186)

On Dioscorea Deltoidea, Wall., Dioscorea Quinqueloba, Thunb., and their Allies

open access: yes, 1905
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Prain, David, Burkill, Isaac Henry
openaire   +1 more source

Dioscorea manchesteri Kvaček, sp. nov., a new fossil species from the early Miocene flora of North Bohemia (Czech Republic)

open access: yesActa Palaeobotanica, 2019
Using the morphology of fin-winged fruits and accompanying foliage, the author characterizes a new fossil species, Dioscorea manchesteri Kvaček, sp. nov.
ZLATKO KVAČEK
doaj   +1 more source

Therapeutic potential of natural products in cancer immunotherapy: Advances and challenges

open access: yesBritish Journal of Pharmacology, EarlyView.
This review systematically outlines the mechanisms underlying tumour immunotherapy resistance and elucidates the role of natural products in enhancing therapeutic efficacy as immunomodulatory adjuvants. Abstract Immunotherapy has emerged as a clinically pivotal approach in cancer treatment, but its application remains limited to a small subset of ...
Rao Hu   +6 more
wiley   +1 more source

A Convulsant Alkaloid of Dioscorea dumetorum [PDF]

open access: yesNature, 1956
AN alkaloid, dioscorine, has been isolated from various species of yam of the family Dioscoreaceae. Pinder1 has summarized the history of this, confirmed its molecular formula as C13H19O2N and has documented certain of its chemical and physical properties2. A similar alkaloid has been extracted from a further species common in the wild state in Nigeria
C W, BEVAN, J L, BROADBENT, J, HIRST
openaire   +2 more sources

Evidencias del origen de una posible nueva entidad de Dioscorea (Dioscoreaceae) de las Sierras de Calilegua, Jujuy (Argentina). Un enfoque morfo-anatómico

open access: yesLilloa, 2019
En las Sierras de Calilegua reconocimos siete especies de Dioscorea como parte de su flora y una octava entidad que denominamos Dioscorea sp., la cual evidenció algunos caracteres morfológicos similares a D. glomerulata y D.
Patricia N. Asesor   +2 more
doaj   +1 more source

CHROMOSOMAL ANALYSIS OF EIGHT CULTIVARS IN THREE SPECIES OF CULTIVATED YAM (DIOSCOREA) SPECIES IN NIGERIA

open access: yesCaryologia, 2021
The genus Dioscorea comprises of economically-important plant species known for their starch throughout the world; it is also a major source of food and income in Africa.
Joshua Matthew, Julius Faluyi
doaj   +1 more source

Fluoride‐Free Mouthwashes Available Over‐The‐Counter in the US‐An Overview

open access: yesInternational Journal of Dental Hygiene, EarlyView.
ABSTRACT Purpose Fluoride‐free mouthwashes (FFM) are commonly used by patients for a variety of cosmetic and/or therapeutic reasons. The purpose of this study was to investigate the composition and purposes of FFM available over‐the‐counter in the US.
Astrid C. Valdivia‐Tapia   +3 more
wiley   +1 more source

Stomatal complex types, stomatal density, and the stomatal index in some species of dioscorea [PDF]

open access: yesArchives of Biological Sciences, 2009
Dioscorea alata L. has three stomatal complex types, namely, paracytic, anisocytic, and tetracytic stomata, with percentage frequency values of 50, 18, and 32, respectively.
Abdulrahaman A.A.   +2 more
doaj   +1 more source

Wild Edible Plants in Angola: Diversity, Traditional Uses, Phytochemical Properties, and Socio‐Economic Potential

open access: yeseFood, Volume 7, Issue 4, August 2026.
Wild edible plants (WEP) in Angola: number of species recorded by family and their distribution ranges; four of the most used WEP: Tamarindus indica (Fabaceae), Carissa spinarum (Apocynaceae), Adansonia digitata (Malvaceae), and Vitex doniana (Lamiaceae).
Claudete Bastos   +4 more
wiley   +1 more source

Characterization of the complete chloroplast genome of Dioscorea polystachya Turcz.

open access: yesMitochondrial DNA. Part B. Resources, 2021
Dioscorea polystachya Turcz. is an important Chinese herbal medicine and the raw material of the medicine ingrediente (Chinese yam polysaccharide). It belongs to Dioscorea, which has 60 species and distribute in middle and southeast of China.
Na Hu, Jianwu Gong, Biming Zhang
doaj   +1 more source

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