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Cacao and Its Allies, a Taxonomic Revision of the Genus Theobroma
"Celebrem etiam per universam Americam multique usua fructum Cacao appellatum." Clusius, 1605. "Cacao nomen barbarum, quo rejecto Theobroma dicta est arbor, cum fructus basin sternat potioniExpand
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Aspectos de la vegetacion natural de Colombia
Nació en Camprodón, España y murió en Washington, Estados Unidos. Licenciado en Farmacia, Universidad de Barcelona (1923); Doctor en Farmacia, Universidad de Madrid (1928). Con estudios de posgradoExpand
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A Taxonomic Revision of the Humiriaceae
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PRIMA FLORA COLOMBIANA
RIASSUNTO Nel presente lavoro vengono descritte le COMPOSITAE, tribu ASTEREAE, della Colombia. Precede il lavoro una breve introduzione ed una descrizione della tribu ASTEREAE limitatamente allaExpand
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Synopsis der Gattung Loricaria Wedd
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Tricyclic sesquiterpenes and further diterpenes from Espeletiopsis species
Abstract The investigation of five Espeletiopsis and two Coespeletia species afforded, in addition to numerous known compounds, two new kaurene derivatives 19-acetoxy-ent-kaurene and 17-oxo-ent-kaur-Expand
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Neue diterpene aus der subtribus espeletiinae
The investigation of several species from the newly created subtribe Espeletiinae afforded in addition to known compounds seven new diterpenes and two norditerpenes. The structures were elucidated byExpand
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