Results 111 to 120 of about 356 (144)
Diversidade taxonômica e padrões de distribuição geográfica em Picramnia (Simaroubaceae) no Brasil [PDF]
O gênero neotropical Picramnio Sw., tem 19 espécies no Brasil, das quais 12 são exclusivamente brasileiras. Os principais padrões de variação e distribuições geográfica e ecológica desses taxa, permitem o reconhecimento de algumas categorias de espécies: espécies monotípicas taxonómicamente isoladas, pares ou grupos de espécies muito relacionadas ...
José Rubens Pirani
exaly +5 more sources
Some of the next articles are maybe not open access.
Cytotoxic Anthraquinone Derivatives from Picramnia antidesma
Planta Medica, 2002Activity-guided investigation of crude extracts prepared from the root bark of Picramnia antidesma, a medicinal plant long used for the treatment of malaria in tropical areas of the Americas, when tested on KB cells led to the isolation of a new compound, 10-epi-uveoside, from a cytotoxic fraction containing a rich mixture of anthrone glycosides.
Rogelio Pereda-Miranda
exaly +3 more sources
A conspectus of Mexican and Central American Picramnia (Simaroubaceae)
Brittonia, 1988A complete checklist with synonymy and notes is provided for the Mexican and Central American species ofPicramnia. A key to all taxa of the region is included. Four new taxa (Picramnia guerrerensis, P. hirsuta, P. deflexa, andP. antidesma subsp.nicaraguensis) are described and illustrated, and a new combination (Picramnia antidesma subsp.fessonia) is ...
William Wayt Thomas
exaly +2 more sources
Ueber das Fett von Picramnia Lindeniana [PDF]
n ...
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A new species of Picramnia (Simaroubaceae) from Amazonian Peru
Brittonia, 1990A new and rare species,Picramnia bullata, is described, illustrated, and compared to its closest relatives It is unique in its hirsute pubescence, numerous, elongate, bullate leaflets, and long, pendent, unbranched inflorescences.
William Wayt Thomas
exaly +2 more sources
Casabitoa perfae (Euphorbiaceae)—a new synonym of Picramnia dictyoneura (Simaroubaceae)
Brittonia, 1994Casabitoa perfae Alain (Euphorbiaceae) was rediscovered in Alto de Casabito, Cordillera Central, Dominican Republic and was found to be identical withPicramnia dictyoneura (Urban) Urban (Simaroubaceae).
Thomas A Zanoni
exaly +2 more sources
Das Fett der Samen von Picramnia Sow
Recueil Des Travaux Chimiques Des Pays-Bas, 1933Alph Steger
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An anthrone from Picramnia antidesma
Phytochemistry, 1998Abstract A new chrysophanol anthrone C-glycoside, named uveoside and four known compounds were isolated and identified from the chloroform extract of roots from Picramnia antidesma .
Maria Del R Hernandez-Medel +3 more
openaire +1 more source
Mayoside, an oxanthrone from Picramnia hirsuta
Phytochemistry, 1996A new oxanthrone named mayoside was isolated from the roots of Picramnia hirsuta and the structure established by X-ray diffraction.
Maria del R. Hernandez-Medel +3 more
openaire +1 more source
Diastereomeric C-glycosyloxanthrones from picramnia antidesma
Phytochemistry, 1999Nine compounds were isolated and identified from the stem of Picramnia antidesma. Two of the isolated compounds: mayoside and saroside, which is new, are diastereoisomeric oxanthrones. The structure of saroside has been obtained on the basis of spectroscopic evidence.
Maria Del R Hernandez-Medel +5 more
exaly +2 more sources

