Results 11 to 20 of about 1,272 (178)

Free Sugar Profile in Cycads [PDF]

open access: yesFrontiers in Plant Science, 2014
The sugars fructose, glucose, maltose, and sucrose were quantified in seven tissues of Zamia muricata Willd. to determine their distribution throughout various organs of a model cycad species, and in lateral structural roots of 18 cycad species to ...
Thomas Edward Marler, Anders eLindstrom
doaj   +3 more sources

Early evolutionary history of the seed. [PDF]

open access: yesBiol Rev Camb Philos Soc
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Bateman RM, Spencer ART, Hilton J.
europepmc   +2 more sources

Does Phytogeography Change with Shifts in Geopolitics? The Curious Case of Cycads in the United States

open access: yesDiversity, 2020
The United States is currently home to five native cycad species. We provide a discussion on these five cycad species to illuminate how evolutionary and geopolitical processes influence phytogeography and published checklists of threatened plants.
Benjamin E. Deloso   +2 more
doaj   +1 more source

Zamia magnifica (Zamiaceae, Cycadales): A New Rupicolous Cycad Species from Sierra Norte, Oaxaca, Mexico

open access: yesTaxonomy, 2023
Zamia magnifica (Zamiaceae), a new species endemic to Sierra Norte, Oaxaca, Mexico, is described. Zamia magnifica is characterized by having a rupicolous habit, pendent leaves bearing leaflets that are densely tomentose and pink to caramel in color when ...
Miguel Angel Pérez-Farrera   +3 more
doaj   +1 more source

Kampō medicine and Muro disease (Amyotrophic Lateral Sclerosis and Parkinsonism-Dementia Complex)

open access: yeseNeurologicalSci, 2020
Western Pacific Amyotrophic Lateral Sclerosis and Parkinsonism-dementia Complex (ALS/PDC) is a disappearing neurodegenerative disease in three former high-incidence foci of Guam-USA, Papua-Indonesia and Kii Peninsula, Honshu Island, Japan.
Peter S. Spencer   +6 more
doaj   +1 more source

Carbohydrates, pollinators, and cycads [PDF]

open access: yesCommunicative & Integrative Biology, 2015
Cycad biology, ecology, and horticulture decisions are not supported by adequate research, and experiments in cycad physiology in particular have been deficient. Our recent report on free sugar content in a range of cycad taxa and tissues sets the stage for developing continued carbohydrate research. Growth and development of cycad pollen, mediation of
Marler, Thomas E, Lindström, Anders J
openaire   +2 more sources

Aulacaspis yasumatsui Delivers a Blow to International Cycad Horticulture

open access: yesHorticulturae, 2021
The literature covering the biology, invasion chronology, host plant responses, and control efforts of the armored scale Aulacaspis yasumatsui Takagi (Hempitera: Diaspididae) is reviewed.
Thomas E. Marler   +2 more
doaj   +1 more source

Publishing trends for the Cycadales, the most threatened plant group

open access: yesJournal of Threatened Taxa, 2016
Trends in published cycad research within various fields of study were determined using proceedings from international conferences on cycad biology and Google Scholar to access the primary literature.
April N. Cascasan, Thomas E. Marler
doaj   +1 more source

Reciprocal Garden Study Reveals Acute Spatial-Edaphic Adaptation for Cycas micronesica

open access: yesDiversity, 2021
A long-term reciprocal garden study was used to determine adaptive variation between Cycas micronesica K.D. Hill plants from north versus south Guam.
Thomas E. Marler
doaj   +1 more source

MONUMENTS AND MEMORIALS ON SADF GROUND

open access: yesScientia Militaria, 2012
4 SA Infantry Battalion cycad memorial This unit unveiled the cycad memorial at 4 SAl Bn on 11 November 1983. The memorial was erected in honour of all those members of 4 SAl and the Middelburg Community that have offered their lives in the defence of ...
A. Kruger
doaj   +1 more source

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