Results 81 to 90 of about 22,611 (274)

Application of a rule-based knowledge system using CLIPS for the taxonomy of selected Opuntia species [PDF]

open access: yes
A rule based knowledge system was developed in CLIPS (C Language Integrated Production System) for identifying Opuntia species in the family Cactaceae, which contains approx. 1500 different species.
Heymans, Bart C.   +2 more
core   +1 more source

Biología de especies australes: Opuntia quimilo K. Schum. [PDF]

open access: yes, 2011
Opuntia quimilo K. Schum. pertenece a la familia Cactaceae Juss. Esta familia, presenta una distribución geográfica restringida al continente Americano, a excepción de Rhipsalis baccifera (J.S.
Malerba, Romina Celeste   +1 more
core  

Species Status of Sclerocactus brevispinus, S. wetlandicus, and S. glaucus: Inferences from Morphology, Chloroplast DNA Sequences, and AFLP Markers [PDF]

open access: yes, 2013
We examine patterns of variation in 12 continuous morphological traits, chloroplast DNA sequences from 10 intergenic spacer regions (petA-psbJ, psbk-trnS, psbM-trnD, rpob-trnC, trnC-trnD, trnGCU-trnG2S, trnFM-trnUGA, atpF-atpH, trnT-trnD, trnQ-psbk ...
Cruse-Sanders, Jennifer   +3 more
core   +3 more sources

FAMILIA CACTACEAE I

open access: yesFlora del Bajío y de Regiones Adyacentes, 2019
Se estima que la familia tiene entre 120 y 130 géneros y entre 1450 y 1870 especies, ampliamente distribuidas en América, con mayor diversidad en regiones áridas, semiáridas y cálido-secas, pero también se encuentran en comarcas templadas y tropicales. Algunos de sus representantes se cultivan como alimento (Opuntia, Selenicereus, Stenocereus) y varios
Salvador Arias, David Aquino
openaire   +1 more source

Abnormal type of growth of succulent plants and testing hypotheses of their origin

open access: yesІнтродукція Рослин, 2014
The analysis of plants with abnormal type of growth from the collection of succulent plants of Academician O.V. Fomin Botanical Garden of Taras Shevchenko Kyiv National University are made.
V.A. Malyarenko, M.M. Gaydarzhy
doaj   +1 more source

Considerações sobre a ocorrência de Cactaceae na Apa de Maricá, Rio de Janeiro, Brasil

open access: yesActa Botânica Brasílica, 1990
São estudadas as especies da família Cactaceae que ocorrem na Restinga de Maricá, cuja flora se encontra ameaçada devido a diversas interferências que vêm alterando sua composição florística e vegetacional.
Cecilia Maria Rizzini   +3 more
doaj   +1 more source

Mammillaria xaltianguensis (Cactaceae) en Jalisco

open access: yesBotan‪ical Sciences, 2011
Nota Botánica: MAMMILLARIA XALTIANGUENSIS (CACTACEAE) EN ...
Jesús Padilla-Lepe   +2 more
doaj   +1 more source

Palynological studies in Argentina species of the genera Cereus, Cleistocactus, Denmoza, Echinopsis and Monvillea (Cactaceae, Cactoideae) [PDF]

open access: yes, 2010
Resumen: Se estudió la morfología del polen de 19 especies pertenecientes a cinco géneros (Cereus, Cleistocactus, Denmoza, Echinopsis y Monvillea) de la subfamilia Cactoideae (Cactaceae) en Argentina, fueron descriptas usando microscopio óptico y ...
Cuadrado, Graciela   +1 more
core   +1 more source

Modeling the potential distribution of Epiphyllum phyllanthus (L.) Haw. under future climate scenarios in the Caatinga biome

open access: yesAnais da Academia Brasileira de Ciências
The climate change projections for the Caatinga biome this century are for an increase in temperature and reduction in rainfall, leading to aridization and plant cover dominated by Cactaceae.
ARNÓBIO M.B. CAVALCANTE   +2 more
doaj   +1 more source

Autoecologia de cabeça-de-frade (Melocactus ernestii Vaupel) em duas áreas de afloramentos na Bahia [PDF]

open access: yes, 2007
O gênero Melocactus possui 32 espécies descritas, ocorrendo desde a América Central até o Nordeste do Brasil, incluindo o Caribe a região Amazônica, e os Andes.
Fontes, Edilane Costa   +3 more
core   +1 more source

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