Results 31 to 40 of about 377 (172)

Preferred nectar sources for the monarch butterfly (Danaus plexippus plexippus) along the Great Plains migration pathway

Ecosphere, Volume 16, Issue 2, February 2025.
Abstract Population declines of the monarch butterfly (Danaus plexippus plexippus) in North America have largely been attributed to the distribution and condition of species‐specific preferred nectar sources. In 2020, the US Fish and Wildlife Service (USFWS) listed the monarch butterfly in the US Federal Register as a candidate species under the ...
Kenneth E. Spaeth Jr., C. Jason Williams, Ray A. Moranz, Christine Taliga, William A. Rutherford, Brenda Simpson   +5 more
wiley   +1 more source

Systematics of Urostephanus: resurrection of a Mesoamerican taxon of Gonolobinae (Apocynaceae, Asclepiadoideae), with eight new combinations

Acta Botanica Mexicana
Background and Aims: Recent studies have focused on resolving the systematics of the tribe Gonolobinae of the family Apocynaceae, as well as the controversial genus Matelea s.l. However, many species within Matelea s.l.
César Adrián González-Martínez, Lucio Lozada-Pérez, Mark E. Olson, Leonardo O. Alvarado-Cárdenas   +3 more
doaj   +1 more source

A New Matelea (Asclepiadaceae) From the Bahamas

Annals of the Missouri Botanical Garden, 1978
Preparation of a new account of the flora of the Bahamas by Dr. Donovan S. Correll of Fairchild Tropical Garden has led to recent intensive collections from those islands by Dr. Correll. The new taxon described below represents the first record of this large and interesting genus from these islands. While known from a number of other Caribbean islands,
openaire   +3 more sources

A Synopsis of Matelea subg. Dictyanthus (Apocynaceae: Asclepiadoideae)

Annals of the Missouri Botanical Garden, 1988
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +3 more sources

Corona development and floral nectaries of Asclepiadeae (Asclepiadoideae, Apocynaceae)

Acta Botânica Brasílica
Flowers of Asclepiadoideae are notable for possessing numerous nectaries and elaborate coronas, where nectar can accumulate but is not necessarily produced.
Mariana Maciel Monteiro, Diego Demarco
doaj   +1 more source

Germinação de sementes de Matelea maritima (Jack.) Woods (Asclepiadaceae)

Revista Brasileira de Botânica, 1999
Sementes de M. maritima germinam na temperatura otima de 25°C com valores maximos na luz, sendo o processo otimizado em temperatura alternada de 25/30°C. Escarificacao mecânica promove a germinacao. Em sementes nuas, a germinacao e promovida e acelerada tanto na luz quanto no escuro.
CUZZUOL, GERALDO ROGÉRIO FAUSTINI, LUCAS, NEIDE M. C.   +1 more
openaire   +3 more sources

Matelea tarrazuana (Apocynaceae, Asclepiadoideae), a new critically endangered ocellate species from Central Pacific of Costa Rica

Webbia, 2021
Matelea tarrazuana, a new species endemic to Costa Rica, is described and illustrated. It is similar to M. pusilliflora, a vine from Yucatan Peninsula because of its green flowers with a reflective white spot in the apex at the apex of each lobe, but differs from that species by its longer pedicels, larger corolla lobes, staminal corona purple (vs ...
José Esteban Jiménez, Jairo Hidalgo-Mora   +1 more
openaire   +2 more sources

MICROMORFOLOGÍA Y HISTOQUÍMICA DE LOS LATICÍFEROS DE ÓRGANOS VEGETATIVOS DE ESPECIES DE ASCLEPIADOIDEAE (APOCYNACEAE)

Acta Biológica Colombiana, 2015
La micromorfología y las principales clases de componentes de las paredes de los laticíferos y del látex de Asclepias curassavica, Fischeria stellata, Gonioanthela axillaris, Matelea denticulata y Oxypetalum banksii, fueron analizadas y comparadas con ...
Diego DEMARCO
doaj   +1 more source

Un género y dos especies nuevas para Gonolobinae (Apocynaceae; Asclepiadoideae) de México

Botan‪ical Sciences
Antecedentes: Matelea (subtribu Gonolobinae) tiene una historia taxonómica complicada. Las filogenias han recobrado al género como no monofilético. Por lo que para resolver la problemática taxonómica se han resucitado taxones y se han propuesto nuevos ...
Leonardo O. Alvarado-Cárdenas, Sarahí Díaz-Mota   +1 more
doaj   +1 more source

Prioritizing Wild Edible Plants for potential new crops based on Deciduous Forest traditional knowledge by a Rancher community

Botan‪ical Sciences, 2017
Background. There are several ethnobotanical indices to evaluate the importance of wild edible plants; however, they are biased and it is unclear their contribution for the selection of priority species for developing new crops.
Juan Fernando Pío-León, Francisco Delgado-Vargas, José Luis León-de la Luz, Alfredo Ortega-Rubio   +3 more
doaj   +1 more source