Results 101 to 110 of about 252 (115)

A Revision of the Venezuelan Species of Monnina

Brittonia, 1957
In continuation of his study of the genus Monnina (Polygalaceae), the writer has examined all the readily available Venezuelan specimens of it in several American herbaria, and the present paper summarizes what is known of the genus in Venezuela. On the basis of the material seen, there are ten species of the genus in this country, a somewhat smaller ...
R. Ferreyra
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Biphenyls and a xanthone from monnina sylvatica

Phytochemistry, 1992
Abstract Two novel biphenyls, 3′-hydroxy-4′,5-dimethoxy-3,4-methylenedioxybiphenyl and 3′,4′,5-trimethoxy-3,4-methylenedioxybiphenyl, and a known xanthone were isolated from the roots of Monnina sylvatica . The structures of the isolates were established by spectroscopic methods (UV, mass spewometry, 1 H and 13 CNMR, including homonuclear NOE ...
Ahmad Bashir, Matthias Hamburger, Mahabir P. Gupta, Pablo Solis, Kurt Hostettmann   +4 more
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Isolation and structural characterization of glycosides from an anti-angiogenic extract of Monnina obtusifolia H.B.K.

Fitoterapia, 2011
Angiogenesis, the growth of new blood vessels from the pre-existing vasculature is of physiological and pathological importance. Substantial data over the last decade has implicated uncontrolled angiogenesis with various pathological states. Vascular endothelial growth factors (VEGFs) play a critical role in its regulation, and have become one of the ...
Lepore Laura, MALAFRONTE, NICOLA, Condero Fausto Bedoya, Gualtieri Maria J., Abdo Susana, DAL PIAZ, FABRIZIO, DE TOMMASI, Nunziatina   +6 more
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A Revision of Monnina Subg. Pterocarya (Polygalaceae) in Northwestern South America

Annals of the Missouri Botanical Garden, 1993
Three subgenera are currently recognized in the genus Monnina, which consists of approximately 175 species. This paper treats the systematics of Monnina subg. Pterocarya in northwestern South America. The subgenus is a naturally coherent taxon characterized by dry, samaroid fruits. It consists of ca.
B. Eriksen
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Species of Monnina with names first published by Bonpland in Hebeandra (Polygalaceae)

TAXON, 1996
SummaryEriksen, B.: Species of Monnina with names first published by Bonpland in Hebeandra (Polygalaceae). – Taxon 45: 631‐640. 1996. – ISSN 0040‐0262.Due to a misunderstanding new species of Monnina collected by Humboldt and Bonpland were described twice and under different generic names. In 1808 Bonpland described the genus Hebeandra to accomodate 16
B. Eriksen
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ChemInform Abstract: (S)‐13‐HYDROXY‐CIS‐9, TRANS‐11‐OCTADECADIENSAEURE‐LACTON, EINE 14GLIEDRIGE RINGVERBINDUNG AUS MONNINA‐EMARGINATA‐SAMENOEL

Chemischer Informationsdienst. Organische Chemie, 1970
AbstractAus obiger Spezies konnte das makrocyclische Lacton (I) isoliert werden, das bei der katalytischen Hydrierung zu (II) gesättigt wird.
B. E. PHILLIPS, C. R. SMITH, L. W. TJARKS   +2 more
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Antifungal Biphenyls fromMonnina sylvatica

Planta Medica, 1991
A, Bashir, M, Hamburger, L, Rahalison, M, Monod, M P, Gupta, P, Solis, K, Hostettmann   +6 more
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<I>Monnina goiana</I> (Polygalaceae), a Well-known but Misidentified Brazilian Species

Systematic Botany, 2013
Alina Freire-Fierro, José Floriano Barêa Pastore   +1 more
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(1263‐1268) Proposals to conserve six species names in Monnina (Polygalaceae)

TAXON, 1996
B. Eriksen
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A Revision of the Colombian Species of Monnina (Polygalaceae).Ramon Ferreyra

The Quarterly Review of Biology, 1953
H. M. Raup
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