Results 21 to 30 of about 275 (94)

[Retracted] Naturally Occurring Xanthones: Chemistry and Biology

open access: yesJournal of Applied Chemistry, Volume 2013, Issue 1, 2013., 2013
Xanthones are one of the biggest classes of compounds in natural product chemistry. A number of xanthones have been isolated from natural sources of higher plants, fungi, ferns, and lichens. They have gradually risen to great importance because of their medicinal properties.
J. S. Negi   +5 more
wiley   +1 more source

The Short ITS2 Sequence Serves as an Efficient Taxonomic Sequence Tag in Comparison with the Full‐Length ITS

open access: yesBioMed Research International, Volume 2013, Issue 1, 2013., 2013
An ideal DNA barcoding region should be short enough to be amplified from degraded DNA. In this paper, we discuss the possibility of using a short nuclear DNA sequence as a barcode to identify a wide range of medicinal plant species. First, the PCR and sequencing success rates of ITS and ITS2 were evaluated based entirely on materials from dry ...
Jianping Han   +8 more
wiley   +1 more source

De Macrocarpaeae Grisebach (ex Gentianaceis) Speciebus novisIX: A Synopsis of the Genus in Bolivia [PDF]

open access: yesHarvard Papers in Botany, 2011
Abstract. A synopsis of the genus Macrocarpaea in Bolivia is presented. Four species are recognized including M. bangiana Gilg, M. cinchonifolia (Gilg) Weaver, M. cochabambensis Gilg-Ben., and fuentesii J.R. Grant, sp. nov. These are the four southernmost species of Macrocarpaea in the Andes.
openaire   +1 more source

DE MACROCARPAEAE GRISEBACH (EX GENTIANACEIS) SPECIEBUS NOVISVII: FOUR NEW SPECIES AND TWO NATURAL HYBRIDS [PDF]

open access: yesHarvard Papers in Botany, 2007
ABSTRACT Four new species, Macrocarpaea dies-viridis (Ecuador), M. luctans (Ecuador, Peru), M. lucubrans (Panama), and M. opulenta (Ecuador), and two natural hybrids, M. ×acuminata (Costa Rica) and M. ×mattii (Ecuador), are described. Macrocarpaea × acuminata Weaver (pro sp.) is recognized as a natural hybrid between M. subcaudata and M.
openaire   +1 more source

Dataset on ITS and some chloroplast DNA regions of Boehmeria holosericea Blume in Vietnam. [PDF]

open access: yesData Brief
Nguyen QH   +8 more
europepmc   +1 more source

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