Results 61 to 70 of about 8,376 (222)
The gynoecium structure in Dracaena fragrans (L.) Ker Gawl., Sansevieria parva N.E. Brown and S. trifasciata Prain (Asparagaceae) with special emphasis on the structure of the septal nectary [PDF]
In the gynoecium of Dracaena fragrans, Sansevieria parva and S. trifasciata, the vertical zonality of the ovary, the structural zonality of the gynoecium following Leinfellner, and the zonality of the septal nectary were studied.
Fishchuk, Oksana S. +4 more
core +1 more source
Anatomy and Histology of the Midgut of Atopozelus opsimus (Heteroptera: Reduviidae)
ABSTRACT Atopozelus opsimus Elkins, 1954 (Heteroptera: Reduviidae) preys on forest and agricultural pests but also feeds on extrafloral nectar; however, its alimentary canal is poorly understood. The aim was to describe the anatomy and histology of the A. opsimus midgut. The alimentary canal of female and male A.
Bruna Silva Lisboa +6 more
wiley +1 more source
Dracocephalum moldavica is an aromatic plant with a lemon scent and versatile use. Its flowers produce large amounts of nectar, which is collected by bees and bumblebees. The aim of the study was to investigate the structure of the floral nectary in this
Agata Konarska +4 more
doaj +1 more source
Quantity over quality: light intensity, but not red/far-red ratio, affects extrafloral nectar production in Senna mexicana var. chapmanii [PDF]
Extrafloral nectar (EFN) mediates food-for-protection mutualisms between plants and insects and provides plants with a form of indirect defense against herbivory.
Koptur S., Koptur S., Wagner D.
core +2 more sources
1165. Echinacea purpurea (L.) Moench
Summary Echinacea purpurea (L.) Moench (Compositae: Heliantheae: Zinniinae) is described and illustrated with a colour plate and black and white text figure. An introduction to the history of the appearance of this species in the Magazine appears in brief, together with comments on the treatment of the genus, and the available generic revisions.
Nicholas Hind +2 more
wiley +1 more source
The limitations of the methods of identifying the floral source of honeys [PDF]
The pollen grains in honey reveal the types of plants that were around when the bees produced the honey, thus it is valid to use melissopalynology to determine the geographical origin of honeys, but there are several reasons why it is less valid for ...
Molan, Peter C.
core +1 more source
Circumscription and phylogeny of the Laurales [PDF]
The order Laurales comprises a few indisputed core constituents, namely Gomortegaceae, Hernandiaceae, Lauraceae, and Monimiaceae sensu lato, and an equal number of families that have recently been included in, or excluded from, the order, namely ...
Renner, Susanne S.
core +1 more source
1166. Helianthus occidentalis Riddell
Summary Helianthus occidentalis Riddell (Compositae: Heliantheae: Helianthinae) is described and illustrated. The species' placement in the genus is commented on, as are the differences in infrageneric placement of the other species Heiser originally grouped H. occidentalis with.
Nicholas Hind, Christabel King
wiley +1 more source
The flower morphology in three Convallariaceae species with various attractive traits [PDF]
The general morphology and micromorphology of the flower in Polygonatum multiflorum, Maianthemum bifolium, and Convallaria majalis were studied using light microscopy methods. Among the studied species, P. multiflorum and C.
Fishchuk, Oksana Sergyivna +3 more
core +1 more source
Using DNA metabarcoding, this study investigates pollen transported by syrphids (Syrphidae) in the Dolomiti Bellunesi National Park and agricultural sites in Northern Italy. The analysis reveals a high diversity of visited plant taxa, including previously undocumented plant–pollinator interactions.
Serena Magagnoli +6 more
wiley +1 more source

