Results 141 to 150 of about 1,190 (181)

Les Espècies del gènere Espeletia

Butlletí de la Institució Catalana d'Història Natural, 1949
openaire   +1 more source

Flexibility in movement strategies of neotropical nectarivorous birds: insights from high-Andean hummingbirds and flowerpiercers

Rueda-Uribe C, Camargo-Martínez PA, Espitia J, Lozano-Rocha M, Ríos JP, Echeverry-Galvis MÁ, Lancaster LT, Capellini I, Travis JMJ, Rico-Guevara A.   +9 more
europepmc   +1 more source

Comparative study of polysaccharide metabolites in purple, orange, and white Ipomoea batatas tubers. [PDF]

Food Chem X
Wang X, Wan X, Wu J, Cui L, Xiao Q.
europepmc   +1 more source

Preparation of Sweet Potato Porous Starch by Marine Dextranase and Its Adsorption Characteristics. [PDF]

Foods
Hao Y, Liu M, Ni H, Bai Y, Hao Q, Zhang L, Kang X, Lyu M, Wang S.   +8 more
europepmc   +1 more source

Typifications of 42 Mesoamerican names in Gesneriaceae, illustrated with type specimens and field images. [PDF]

PhytoKeys
Barrie FR, Skog LE, Clark JL, Hansen K.
europepmc   +1 more source

The Espeletia timotensis populations of the desert páramo of Venezuelan Andes

, 1989
Monasterio, M., Lamotte, M.
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Automatic Detection and Mapping of Espeletia Plants from UAV Imagery

2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021
This paper proposes an automatic method for detection and mapping of Espeletia plants from aerial images acquired by UAV drone. The proposed approach integrated a computer vision for automatic extraction of training zones and tested on three well-established machine learning algorithms to detect regions belonging to Espeletia plants.
Ce Zhang, Flavio Augusto Prieto, Ivan Lizarazo   +2 more
exaly   +7 more sources

A Taxonomic Revision of Espeletia (Asteraceae). The Venezuelan Radiation [PDF]

Harvard Papers in Botany, 2019
Subtribe Espeletiinae (Asteraceae) represents the best example of morphological and ecological diversification in the Northern Andes high-elevation ecosystem known as paramo. These plants, formerly considered as belonging to a single genus, Espeletia, were later referred to eight genera defined mainly according to their habit, branching pattern, and ...
Jesus Mavarez
exaly   +3 more sources

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Kauranoid dieterpenes in Espeletia grandiflora

Phytochemistry, 1971
Abstract The resin of Espeletia grandiflora contains (-)-kaur-16-en-19-ol, (-)-kaur-16-en-19-al (not previously isolated from natural sources), (-)-kaur-16-ene and (-)-kaur-16-en-19-oic acid.
F. Piozzi, S. Passannanti, M.P. Paternostro, V. Sprio   +3 more
openaire   +1 more source

Adaptive radiation of Espeletia in the cold andean tropics

Trends in Ecology & Evolution, 1991
The genus Espeletia (Asteraceae) underwent an accelerated adaptive radiation in the new habitats of the high tropical Andes after the retreat of the glaciers. From the ancestral rainforest species, with tree-like forms, the genus diversified at high altitude, developing morphological and physiological adaptations to the peculiar combination of low ...
M, Monasterio, L, Sarmiento
openaire   +2 more sources