Results 21 to 30 of about 452 (152)
Taxonomic list of the vascular flora of the islands of San Andres and Old Providence, Colombia [PDF]
Check List, 2015 We present an updated list of 532 vascular plant species distributed in 375 genera and 110 families on the islands of San Andres and Old Providence, Colombia, based on a compilation of published literature and some additional observations.
Alexandra Tobar-Vargas, Takumasa Kondo
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Fresh and Dry Weight Relations Are Predictors of Cycas micronesica Seed Age
Horticulturae, 2020 Cycas micronesica is a foundation species in several Micronesian islands and its seeds have been a historical source of starch for the island residents.
Thomas E. Marler, Christopher A. Shaw
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Journal of Threatened Taxa, 2015 A new sub-population of Cycas beddomei Dyer (Cycadaceae), hitherto believed to be endemic to the Seshachalam Hills (Tirupati-Kadapa Hills) of Andhra Pradesh is discovered from Velikonda Hills (Nellore-Kadapa districts) of Andhra Pradesh.
B. Ravi Prasad Rao +3 more
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New insights into Mesozoic cycad evolution: an exploration of anatomically preserved Cycadaceae seeds from the Jurassic Oxford Clay biota [PDF]
PeerJ, 2017 Most knowledge concerning Mesozoic Era floras has come from compression fossils. This has been augmented in the last 20 years by rarer permineralized material showing cellular preservation.
Alan R.T. Spencer +6 more
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Spatiotemporal Distribution Patterns and Conservation Priorities of Gymnosperms With Different Leaf Shapes in China Under Climate Change. [PDF]
Ecol EvolThis study modeled the spatiotemporal distribution patterns of 71 rare gymnosperm species (including varieties) with five different leaf morphologies in China in response to climate change and found that approximately half of the species will experience significant range contractions and migrate to higher altitudes toward the northwest.
Fu J +5 more
europepmc +2 more sources
Characterization of Aster Yellows Phytoplasma Affecting Cycas revoluta in Egypt [PDF]
Journal of Plant Protection and Pathology, 2018 In 2015, Pale yellowing symptoms were observed on Cycas revoluta (family: Cycadaceae) leaves rachis and lamina grown as ornamental plant in gardens of the Alexandria Governorate, Egypt. Since the symptoms were suggestive the phytoplasma presence, samples
I. Behiry
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Plants, 2022 Toxoplasmosis and cancer are serious worldwide diseases, and the available drugs cause serious side effects. Investigation for new alternative therapies from natural sources is now an increasing concern.
Hosam M. El-Seadawy +4 more
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Convergent Patterns of Karyotype Evolution Underlying Karyotype Uniformity in Conifers. [PDF]
Adv Sci (Weinh)The remarkable karyotype uniformity observed in gymnosperms has long posed an evolutionary puzzle. This study proposes a model of karyotype evolution in gymnosperms, highlighting the rarity of both polyploidy and dysploidy as key factors underlying this uniformity.
Zhang RG +10 more
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Cycas circinalis Queen Sago, Sago Palm
EDIS, 2007 This document provides a detailed overview of the queen sago (Cycas circinalis), a palm-like shrub known for its slow growth and ornamental appeal. It describes the plant’s physical characteristics, including its dark brown trunk, feathery leaves, and ...
Edward Gilman
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Botanical Sciences, 2022 Background: Nuclear ribonucleoprotein particles play a key role in RNA processing and in the gene expression pathway. Interchromatin granules (GICs) involved in the metabolism of pre-messenger RNA (pre-mRNA) were described in Allium cepa and ...
Lourdes-Teresa Agredano-Moreno +3 more
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