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28 April 2018 Valeriana vilcabambensis (Valerianaceae), a New Species from Undisturbed Upper Montane Forest of the Southern Peruvian Andes
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Abstract

Valeriana vilcabambensis Sylvester & Barrie (Valerianaceae), here described and illustrated, is found as a common constituent of the herbaceous layer in humid, high-elevation montane forests of the Cordilleras Urubamba and Vilcabamba, Peru, which are inaccessible to grazing livestock and the spread of human-induced ground fires. The species is unique in its combination of erect, simple, woody stems to 80 cm tall; pinnate-pinnatisect leaves with elliptic to obovate entire leaflets and usually with a gradually pinnatipartite apex; cymose inflorescence with purpletinged white flowers and purple anthers; and glabrous pappose fruits. A key is provided to help distinguish it from other Peruvian species with cymose or cymosepaniculate inflorescences and pinnate, pinnatisect, or deeply pinnatifid leaves.

Steven P. Sylvester, Fred R. Barrie, and Mitsy D. P. V. Sylvester "Valeriana vilcabambensis (Valerianaceae), a New Species from Undisturbed Upper Montane Forest of the Southern Peruvian Andes," Novon: A Journal for Botanical Nomenclature 26(1), 16-21, (28 April 2018). https://doi.org/10.3417/2017033
Published: 28 April 2018
JOURNAL ARTICLE
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