Results 61 to 70 of about 12,453 (202)

Assessing the evolutionary distinctiveness of a highly threatened plant group: The urgency to preserve a unique lineage of evolution in Brazil

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Brazil's diverse flora is under several threats, with many unique lineages facing extinction, particularly in biodiverse regions like the Cerrado and campo rupestre. This study sheds light on the conservation needs of Cambessedesia (Melastomataceae), an endemic genus with 95% of its species endangered, using an approach to rank and prioritise species ...
Najla Bastos Scheidegger   +4 more
wiley   +1 more source

Digitising biological collections to advance National Species Inventories: A case study from the flora of Chile

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
In response to Chile's public policy to establish a national biodiversity inventory and monitoring system, we launched the HerbarioDigital.cl portal. We have digitised over 120,000 specimens representing more than 3,900 species from two Chilean herbaria, integrating them through a curated local taxonomic index.
Ricardo A. Segovia   +5 more
wiley   +1 more source

Secrets within stems: The cryptic Apodanthes caseariae (Apodanthaceae), a rare neotropical holoendoparasite

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Holoendoparasites are extremely rare plants that live entirely hidden inside their hosts, with only flowers and fruits visible. We studied Apodanthes caseariae, found in central and South America, parasitizing Casearia sylvestris. Little is known about its life cycle.
Jessica A. Ramírez‐Ramírez   +4 more
wiley   +1 more source

Biología floral de Passiflora foetida (Passifloraceae)

open access: yesRevista de Biología Tropical, 1998
Un experimento reproductivo muestra que Passiflora foetida es autocompatible. Observaciones de las características florales y de los visitantes durante la antesis, más el análisis del polen transportado, permitieron identificar el síndrome floral ...
María T. Amela García, Patricia S. Hoc
doaj  

Typifications in the tribe Browallieae (Cestroideae: Solanaceae)

open access: yesTAXON, EarlyView.
Abstract The tribe Browallieae is a monophyletic group comprising Browallia and Streptosolen. These genera are of significant interest in the horticulture industry due to their ornamental potential. Despite their clear placement in Solanaceae, the tribe presents several taxonomic, phylogenetic, and nomenclatural challenges.
David Hoyos, Sandra Knapp, Rocío Deanna
wiley   +1 more source

Características palinológicas y fisicoquímicas de tres tipos de mieles uniflorales del centro de Argentina [PDF]

open access: yes, 2006
Se estudiaron las características de 59 mieles monoflorales de Condalia microphylla Cav. (“piquillín”), Centaurea solstitialis L. (“abrepuño amarillo”) y Prosopis spp., provenientes de La Pampa, Argentina. Se determinaron caracteres polínicos (abundancia
Naab, O.A.   +2 more
core   +2 more sources

MORFOLOGÍA Y MORFOMETRÍA DE DOS ESPECIES DE BANDERITAS (ORCHIDACEAE: MASDEVALLIA) EN COLOMBIA

open access: yesActa Biológica Colombiana, 2012
Masdevallia coccinea y Masdevallia ignea (Orchidaceae) son orquídeas ornamentales y muy apreciadas por cultivadores aficionados y coleccionistas (Leathers, 2007).
MONICA ADRIANA CUERVO MARTÍNEZ   +2 more
doaj  

Cruzamiento natural en frijol común en Costa Rica.

open access: yesAgronomía Mesoamericana, 2014
El objetivo de esta investigación fue estimar el porcentaje de alogamia entre dos variedades de frijol común en Fraijanes y Alajuela, localidades del Valle Central de Costa Rica.
Néstor Felipe Chaves-Barrantes   +2 more
doaj   +1 more source

Drivers of phenological transitions in the seedling life stage

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Plant functional ecology research has primarily focused on juvenile and adult plants even though regeneration from seed can be the most consequential life‐history bottleneck with cascading influence on later stages of growth and reproduction.
Mandy L. Slate   +10 more
wiley   +1 more source

Home - About - Disclaimer - Privacy