Results 51 to 60 of about 3,124 (209)

Hemisyncarpy and appendicular nectary approached by floral ontogeny of Mandevilla velame (A. St.-Hil.) Pichon, Apocynoideae [PDF]

open access: yes, 2008
Pichon é um subarbusto com peculiar indumento albo-lanoso e flores vistosas brancas. Objetivando contribuir para o conhecimento morfológico desta espécie, estádios de desenvolvimento de suas flores foram documentados em microscopia eletrônica de ...
Castro, Marília de Moraes   +2 more
core   +3 more sources

The complete mitochondrial genome of heartbreak grass Gelsemium elegans (Gardner & Champ.) Benth. (Gelsemiaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Gelsemium elegans, endemic to southern Asia, is a highly toxic plant with various medicinal functions. The complete mitochondrial genome of G. elegans was sequenced and assembled in this study.
Yong-Hui Jin   +10 more
doaj   +1 more source

Distribution, structural and ecological aspects of the unusual leaf nectaries of Calolisianthus species (Gentianaceae) [PDF]

open access: yes, 2011
Nectaries in leaves of Gentianaceae have been poorly studied. The present study aims to describe the distribution, anatomy, and ecological aspects of extrafloral nectaries (EFNs) of three Calolisianthusspecies and in particular the ultrastructure of EFNs
Azevedo, Aristéa Alves   +4 more
core   +2 more sources

Habitat Type Influences Danaus plexippus (Lepidoptera: Nymphalidae) Oviposition and Egg Survival on Asclepias syriaca (Gentianales: Apocynaceae) [PDF]

open access: bronzeEnvironmental Entomology, 2019
AbstractAs agricultural practices intensify, species once common in agricultural landscapes are declining in abundance. One such species is the monarch butterfly (Danaus plexippus L.), whose eastern North American population has decreased approximately 80% during the past 20 yr.
Andrew Myers   +2 more
openalex   +4 more sources

Keanekaragaman Parasitoid Dan Artropoda Predator Pada Pertanaman Kelapa Sawit Dan Padi Sawah Di Cindali, Kabupaten Bogor [PDF]

open access: yes, 2016
Diversity of parasitoid and predator arthropod in oil palm and paddy field at Cindali, Bogor Regency. Biodiversity can be defined as the diversity of living things in various places to the riches on earth. Insects as one of the components of biodiversity
Maryana, N. (Nina)   +2 more
core   +3 more sources

INDEPENDENT ORIGINATION OF FLORAL ZYGOMORPHY, A PREDICTED ADAPTIVE RESPONSE TO POLLINATORS: DEVELOPMENTAL AND GENETIC MECHANISMS [PDF]

open access: yes, 2016
Observations of floral development indicate that floral organ initiation in pentapetalous flowers more commonly results in a medially positioned abaxial petal (MAB) than in a medially positioned adaxial petal (MAD), where the medial plane is defined by ...
Bukhari, Ghadeer, Zhang, Wenheng
core   +1 more source

Milkweed Matters: Monarch Butterfly (Lepidoptera: Nymphalidae) Survival and Development on Nine Midwestern Milkweed Species [PDF]

open access: yes, 2017
The population of monarch butterflies east of the Rocky Mountains has experienced a significant decline over the past 20 yr. In order to increase monarch numbers in the breeding range, habitat restoration that includes planting milkweed plants is ...
Bidne, Keith   +7 more
core   +3 more sources

Gentianales Bercht. & J. Presl, P

open access: yes, 2011
57. Gentianales Juss. ex Bercht. & J.Presl, P ř ir . Rostlin: 248. Jan–Apr 1820 Apocynales R.Br. ex Bercht. & J.Presl, P ř ir . Rostlin: 249. Jan–Apr 1820 Asclepiadales R.Br. ex Bercht. & J.Presl, P ř ir . Rostlin: 249. Jan–Apr 1820 Chironiales Griseb., Grundr. Syst. Bot.: 144. 1–2 Jun 1854 Cinchonales Lindl., Nix. Pl.: 18.
Reveal, James L.   +3 more
openaire   +1 more source

The plant taxa of H.N. Ridley, 5. The Gentianales

open access: yesGardens' Bulletin Singapore, 2018
Henry Nicholay Ridley (1855-1956) described more than 450 taxa of Gentianales, mostly from Southeast Asia, and was the author of over 70 additional combinations in this order.
K.M. Wong   +5 more
openaire   +2 more sources

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