Euphorbia spellenbergiana (Euphorbiaceae), a new species from Mexico
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چکیده
منابع مشابه
A new species of Anastrepha (Diptera: Tephritidae) from Euphorbia tehuacana (Euphorbiaceae) in Mexico.
Anastrepha tehuacana, a new species of Tephritidae (Diptera) from Tehuacán, Puebla, Mexico reared from seeds of Euphorbia tehuacana (Brandegee) V.W. Steinm. (Euphorbiaceae), is described and illustrated. Its probable relationship to A. relicta Hernández-Ortiz is discussed.
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This article conta ined descriptions of five new taxa of Mexican Euphorbiaceae. Euphorbia (sub g. Agaloma) na yarensis is endemic to pine-oak woodland in the mount ains of central Nayarit. It appears related to E. so ob yi but differs by possessing linear to linear-ovate leaves. Croton varelae is also endemic to central Nayarit. A key was provided to distinguish this spec ies. a member of sect....
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Euphorbia wallichii of the family Euphorbiaceae yielded a new rearranged pentacyclic triterpene of the multiflorane class which we have named spirowallichiione. The structure of this natural spirocompound was elucidated with the aid of modern spectroscopic techniques, including 2D-NMR.
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Euphorbia otjipembana was hitherto only known from the type locality within the Kaokoveld Centre of Endemism, northwestern Namibia. Subsequently several additional populations were discovered, allowing for an amplified description of the species and the recognition of two subspecies. Euphorbia otjipembana subsp. okakoraensis, here described as a new subspecies, is only known from a small area w...
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When Jatropha costaricensis Webster & Poveda was described from Guanacaste, Costa Rica, some years ago (Webster & Poveda, 1978), it was predicted that other xeric relict taxa might be discovered elsewhere in Central America. Recent botanical exploration in Nicaragua has disclosed not only a number of new populations of Jatropha podagrica Hook. in rocky areas in Dept. Esteli, but also on basalti...
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ژورنال
عنوان ژورنال: Acta Botanica Mexicana
سال: 2010
ISSN: 0187-7151
DOI: 10.21829/abm90.2010.298