Results 51 to 60 of about 2,040 (179)

Phylogenie und Systematik der Gefäßpflanzen [PDF]

open access: yes, 2016
Das Lehr- und Lernposter „Stammbaum der Tracheophyten – Phylogenie und Systematik der Gefäßpflanzen“ gibt einen Überblick a) über die Phylogenie (Stammesgeschichte) der „Farnverwandten“ (Lycophyten und Monilophyten, die „Farne“) bis zu den Familien ...
Cole, Theodor C.H., Hilger, Hartmut H.
core   +1 more source

Anionic Host Defence Peptides from the Plant Kingdom: Their Anticancer Activity and Mechanisms of Action [PDF]

open access: yes, 2016
It is becoming increasingly clear that plants, ranging from across the plant kingdom produce anionic host defence peptides (AHDPs) with potent activity against a wide variety of human cancers cells.
Harris, F   +13 more
core   +2 more sources

The genus Cycas (Cycadaceae) in India

open access: yesTelopea, 2007
The genus Cycas is reviewed for India. Eight species are treated, one of them published for the first time (Cycas indica). The species are placed within an infrageneric classification previously outlined. Distributions of all taxa are mapped, and a key to species is provided.
Anders Lindstrom, Kenneth Hill
openaire   +1 more source

Genetic structure and demographic history of Cycas chenii (Cycadaceae), an endangered species with extremely small populations

open access: yesPlant Diversity, 2017
Geological activities and climate oscillations during the Quaternary period profoundly impacted the distribution of species in Southwest China. Some plant species may be harbored in refugia, such as the dry-hot valleys of Southwest China. Cycas chenii X.
Rui Yang, Xiuyan Feng, Xun Gong
doaj   +1 more source

Progress in the study of dioecy in Mexican cycad species and its implications for conservation

open access: yesPlant Species Biology, Volume 40, Issue 6, Page 556-571, November 2025.
Cycads are endangered dioecious plants of great ornamental value that have a long period of sexual maturity. Therefore, it is crucial to have methods for early sex determination that can help to develop effective strategies for their conservation. Abstract Dioecy is a system of sexual reproduction in plants, characterized by the spatial separation of ...
Lourdes Georgina Iglesias Andreu   +2 more
wiley   +1 more source

Ethnobotanical Observations on Some Endemic Plants of Eastern Ghats, India [PDF]

open access: yes, 2006
The present paper reports ethnobotanical usage of 28 endemic plant species used by the tribes of Eastern Ghats, India. All the species were enumerated with botanical name, family name, vernacular name, habit, habitat and information on ethnic ...
Reddy, C. Sudhakar, et al.
core   +1 more source

Systematics and Chatacteristics [PDF]

open access: yes, 2016
The "Tracheophyte Phylogeny Poster – Vascular Plants - Systematics and Characteristics" is an educational tool presenting an overview of the evolutionary relationships among non-flowering vascular plants (lycophytes, monilophytes, and gymnosperms ...
Cole, Theodor C.H., Hilger, Hartmut H.
core   +1 more source

Chemical Element Concentrations of Cycad Leaves: Do We Know Enough?

open access: yesHorticulturae, 2020
The literature containing which chemical elements are found in cycad leaves was reviewed to determine the range in values of concentrations reported for essential and beneficial elements.
Benjamin E. Deloso   +5 more
doaj   +1 more source

The historical demography and genetic variation of the endangered Cycas multipinnata (Cycadaceae) in the red river region, examined by chloroplast DNA sequences and microsatellite markers. [PDF]

open access: yesPLoS ONE, 2015
Cycas multipinnata C.J. Chen & S.Y. Yang is a cycad endemic to the Red River drainage region that occurs under evergreen forest on steep limestone slopes in Southwest China and northern Vietnam.
Yi-Qing Gong   +5 more
doaj   +1 more source

A new species of the genus Trichagalma Mayr from China (Hym.: Cynipidae) [PDF]

open access: yes, 2012
A new species of oak gallwasp, Trichagalma glabrosa Pujade-Villar is described from Eastern China (province of Henan), known to induce galls on Quercus variabilis Blume. Only asexual females are known.
Pujade, Juli,, Wang, Jingshun
core   +1 more source

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