Results 91 to 100 of about 63,028 (288)

Does the altitude affect the stability of montane forests? A study in the Kahuzi-Biega National Park (Democratic Republic of the Congo) [PDF]

open access: yes, 2017
To understand the functioning of montane forests, this study was conducted in the highlands of the Kahuzi-Biega National Park in the Democratic Republicof the Congo.
Amani, Christian   +5 more
core   +1 more source

Caracterización morfofisiológica de Jatropha curcas L. variedad Brasil cultivada en dos zonas de Colombia

open access: yesActa Agronómica, 2010
La Jatrofa o piñón (Jatropha curcas L.) es una planta oleaginosa que ha adquirido importancia en Colombia por su alta producción y calidad de aceite para biocombustibles, despertando el interés en la investigación de su fisiología y desempeño productivo.
Erik Alexander Pedraza Sánchez   +1 more
doaj  

Notas adicionais sobre Mabea angularis Hollander (Euphorbiaceae), primeira citação para o estado do Pará, Brasil

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2009
Mabea angularis Hollander é citada pela primeira vez no estado do Pará. É apresentada a primeira descrição de flores, que eram desconhecidas da literatura.
Maria José de Sousa Trindade   +1 more
doaj   +1 more source

Encapsulation of Plant‐Derived Cycloheptapeptide Mallotumide A in Riboflavin‐Modified Poly(Lactic‐Co‐Glycolic Acid)/Chitosan Nanoparticles

open access: yesMacromolecular Materials and Engineering, Volume 311, Issue 1, January 2026.
Mallotumide A, a cyclic peptide, exhibits highly potent cytotoxicity toward both cancer and normal cells. Here, riboflavin‐functionalized PLGA/chitosan nanoparticles are developed to modulate their bioavailability. The nanoformulation enables RFVT3‐mediated cellular uptake, sustained release, and reduced acute toxicity, highlighting a promising ...
Preeyanuch Manohong   +10 more
wiley   +1 more source

Mexican Lepidoptera biodiversity [PDF]

open access: yes, 2002
Being among the most habitat diverse countries in the world (and plant diversity is about 22,000 sp.), Mexico has a Lepidoptera fauna recorded at about 14,385 species but is estimated to be over 22,000 species, if not much higher (some estimates go to 35,
Heppner, J. B.
core   +1 more source

Caracterización morfofisiológica de Jatropha curcas L. variedad Brasil cultivada en dos zonas de Colombia Morphophysiological characterization of Jatropha curcas L. variety Brazil in two areas of Colombia

open access: yesActa Agronómica, 2010
La Jatrofa o piñón (Jatropha curcas L.) es una planta oleaginosa que ha adquirido importancia en Colombia por su alta producción y calidad de aceite para biocombustibles, despertando el interés en la investigación de su fisiología y desempeño productivo.
Erik Alexander Pedraza Sánchez   +1 more
doaj  

Succulent Euphorbia costatoalata sp. nov. (Euphorbiaceae) from southern India

open access: yesNordic Journal of Botany, Volume 2026, Issue 1, January 2026.
Euphorbia costatoalata sp. nov. is allied to Euphorbia tortilis but differs from the latter in having prominent ribbing and up to five wings; segments longer, thinner, usually not in a spiral; cymes fewer per axil; glands trapezoidal, humped convexly upwards; ovaries flattened with non‐connate styles; capsules concave on top; and seeds dark brown with ...
Bruce E. De Jong   +3 more
wiley   +1 more source

New combinations for infraspecific taxa in the genus Euphorbia L. (Euphorbiaceae)

open access: yesCollectanea Botanica, 1992
Es proposen als voltant de 80 combinacions noves de tàxons infraespecífics en el gènere Euphorbia L. Com anticipació a la publicació del catàleg mundial de tots el tàxons infraespecífics descrits i usats en la tribu Euphorbieae (Euphorbiaceae).Amés s ...
Rob C.H.M. Oudejans
doaj   +1 more source

El género Dysopsis (Euphorbiaceae)

open access: yesCaldasia, 2001
Dysopsis is a genus ofherbaceous plants; it was previously conformed by two species, D. hirsuta and D. glechomoides. The last one species was previously divided in two subspecies, D. glechomoides subsp. glechomoides and D. glechomoides subsp. paucidentata. Now, D. glechomoides subsp.
Lozano, Gustavo   +1 more
openaire   +3 more sources

Effect of seed circulation systems on the spread and diversity of Xanthomonas phaseoli pv. manihotis infecting cassava crops of the Colombian Caribbean

open access: yesPLANTS, PEOPLE, PLANET, Volume 8, Issue 1, Page 353-364, January 2026.
Cassava is a lifeline for millions of people across the tropics, but its productivity is at risk from a disease called Cassava Bacterial Blight (CBB). In this study, we explore how the everyday practices of farmers exchanging cassava cuttings—a long‐standing tradition—can shape how the disease spreads and evolves in the Colombian Caribbean.
Darío Pérez   +7 more
wiley   +1 more source

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