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Steroidal sapogenins. LXVIII. Their occurrence in Agave lecheguilla
SummaryThe leaves of Agave lecheguilla, both green and dead, contained about 1.0% smilagenin, dry matter basis. The roots contained about 1.0% total genin, of which about 80% was smilagenin and theExpand
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The Genus Savia (Euphorbiaceae) in Extreme Western Texas
Key, synonymy, descriptions, and information on distribution and ecology are given for the two species recognized. These are Savia phyllanthoides (Nutt.) Pax & K. Hoffm. and S. arida, new species,Expand
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The Species of Cnidoscolus and Jatropha (Euphorbiaceae) in Far Western Texas
Keys, descriptions, and notes on nomenclature, ecology, and distribution are given for Cnidoscolus texanus, Jatropha dioica (with two varieties), and J. macrorhiza of the trans-Pecos and adjacentExpand
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Isolation and Characterization of Swainsonine from Texas Locoweed ( Astragalus emoryanus ) 1
Swainsonine (1,2,8-trihydroxyoctahydroindolizine) was isolated from locoweed (Astragalus emoryanus) that grows in Texas. Using a biological assay as a measure of activity and purity, a relativelyExpand