Results 51 to 60 of about 1,631 (188)

Plastid phylogenomic insights into relationships of all flowering plant families

open access: yesBMC Biology, 2021
Background Flowering plants (angiosperms) are dominant components of global terrestrial ecosystems, but phylogenetic relationships at the familial level and above remain only partially resolved, greatly impeding our full understanding of their evolution ...
Hong-Tao Li   +22 more
doaj   +1 more source

Leaf Phenolics of Gunnera Manicata (Gunneraceae) [PDF]

open access: yes, 1988
Foliar material of Gunnera manicata (Gunneraceae) was examined for the presence of phenolics using standard extraction and identification techniques. Two lIavonoids, quercetin 3-0-ga1actoside and quercetin 3-0-g1ucoside and an unidentified ellagitannin ...
Doyle, Michael F., Scogin, Ron
core   +3 more sources

Saxifragales Bercht. & J. Presl, P

open access: yes, 2011
29. Saxifragales Bercht. & J.Presl, P ř ir . Rostlin: 259. Jan–Apr 1820 Altingiales Doweld, Ann. Bot. (London) 82: 435. Oct 1998 Cercidiphyllales Hu ex Reveal, Phytologia 74: 174. 25 Mar 1993 Crassulales Link, Handbuch 2: 18. 4–11 Jul 1829 Daphniphyllales Hurus., J. Fac. Sci. Univ. Tokyo, ser. 3, Bot. 6: 215.
Reveal, James L.   +3 more
openaire   +2 more sources

The complete chloroplast genome of Myriophyllum spicatum reveals a 4‐kb inversion and new insights regarding plastome evolution in Haloragaceae

open access: yesEcology and Evolution, 2020
Myriophyllum, among the most species‐rich genera of aquatic angiosperms with ca. 68 species, is an extensively distributed hydrophyte lineage in the cosmopolitan family Haloragaceae. The chloroplast (cp) genome is useful in the study of genetic evolution,
Yi‐Ying Liao   +6 more
doaj   +1 more source

Phylogeography of a Tertiary relict plant, Meconopsis cambrica (Papaveraceae), implies the existence of northern refugia for a temperate herb [PDF]

open access: yes, 2011
The perennial herb Meconopsis cambrica, a western European endemic, is the only European species of the otherwise Himalayan genus Meconopsis and has been interpreted as a Tertiary relict species.
Kadereit, Joachim W.   +2 more
core   +3 more sources

Life History Traits of Talicada nyseus (Lepidoptera: Lycaenidae) Butterfly Under Laboratory Conditions [PDF]

open access: yes, 2013
The butterfly Talicada nyseus G. (Lepidoptera: Lycaenidae) is abundant in India and Sri Lanka (Karunaratne, et al., 2002). In India, this butterfly is chiefly found in the peninsular area, Maharashtra, Karnataka, Punjab and foothills of the Himalayas ...
Akhila, C.M.   +8 more
core   +1 more source

Analysis of six chloroplast genomes provides insight into the evolution of Chrysosplenium (Saxifragaceae)

open access: yesBMC Genomics, 2020
Background Chrysosplenium L. (Saxifragaceae) is a genus of plants widely distributed in Northern Hemisphere and usually found in moist, shaded valleys and mountain slopes.
Zhihua Wu   +6 more
doaj   +1 more source

Steric Constraints as a Global Regulation of Growing Leaf Shape [PDF]

open access: yes, 2009
Shape is one of the important characteristics for the structures observed in living organisms. Whereas biologists have proposed models where the shape is controlled on a molecular level [1], physicists, following Turing [2] and d'Arcy Thomson [3], have ...
Couturier, Etienne   +2 more
core   +5 more sources

Explosive Radiation of Malpighiales Supports a Mid-Cretaceous Origin of Modern Tropical Rain Forests [PDF]

open access: yes, 2005
Fossil data have been interpreted as indicating that Late Cretaceous tropical forests were open and dry adapted and that modern closed-canopy rain forest did not originate until after the Cretaceous-Tertiary (K/T) boundary.
Davis, Charles   +4 more
core   +1 more source

Peptide Nucleic Acid Based Molecular Authentication for Identification of Four Medicinal Paeonia Species Using Melting Array Analysis of the Internal Transcribed Spacer 2 Region

open access: yesMolecules, 2017
Accurate taxonomic identification of plant materials in herbal medicines is important for product quality control. The genus Paeonia (Saxifragales) is the source of the herbal preparations Paeoniae Radix (Paeoniae Radix Alba and Paeoniae Radix Rubra) and
Wook Jin Kim   +3 more
doaj   +1 more source

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