Results 71 to 80 of about 1,897 (183)

Laboratory studies examining aspects of scent marking, traplining and remote detection of reward in the foraging bumblebee. [PDF]

open access: yes, 2007
PhDEnergy from food is essential for the survival of all animals. For decades, bumblebees have been used as model organisms for studying animal foraging strategies.
Saleh, Nehal
core  

Probing the floral developmental stages, bisexuality and sex reversions in castor (Ricinus communis L.)

open access: yesScientific Reports, 2021
Castor (Ricinus communis L) is an ideal model species for sex mechanism studies in monoecious angiosperms, due to wide variations in sex expression. Sex reversion to monoecy in pistillate lines, along with labile sex expression, negatively influences ...
Sujatha Thankeswaran Parvathy   +2 more
doaj   +1 more source

Emex spinosa (L.) Campd.: A Review on Ethnomedicinal, Phytochemical, Pharmacological, and Toxicological Profile

open access: yesChemistry &Biodiversity, Volume 23, Issue 3, March 2026.
Graphical abstract illustrating the pharmacological potential of E. spinosa. ABSTRACT Emex spinosa (L.) Campd. (E. spinosa) is a plant species belonging to the Polygonaceae family. It is native to the Middle East, North Africa, and Europe and is most commonly seen on the coastlines of Mediterranean countries.
Smail Amtaghri   +9 more
wiley   +1 more source

Sex change in kiwifruit (Actinidia chinensis Planch.): a developmental framework for the bisexual to unisexual floral transition [PDF]

open access: yes, 2019
The developmental morphology of male and female kiwifruit flowers is tracked to delimit a framework of events to aid the study of divergence in floral gene expression.
Pierce, Simon   +7 more
core   +1 more source

EMENDA AO GÊNERO FURARIUM RIZZ. (LORANTHACEAE)

open access: yesRodriguésia
Summary The loranthaceous genus Furarium was formerly described (Rizzini, 1956) as devoid of bracteoles in the cavities of the rachis in viihich the flowers are inserted.
Carlos Toledo Rizzini
doaj   +1 more source

Structure of staminate flowers, microsporogenesis, and microgametogenesis in Helosis cayennensis var. cayennensis (Balanophoraceae)

open access: yesAnales del Jardín Botánico de Madrid, 2013
We analyzed the microgametogenesis and microsporogenesis of the male flowers of the holoparasitic Helosis cayennensis (Sw.) Spreng. var. cayennensis using optical and scanning electron microscopy.
Ana María González   +2 more
doaj   +1 more source

Ximenia americana L. From Popular Use to Anti‐Inflammatory Activities: A Comprehensive Review

open access: yesFood Frontiers, Volume 7, Issue 2, March 2026.
ABSTRACT Ximenia americana (L.), known as “yellow plum,” “sea lemon,” or “Brazilian plum,” is a tropical/subtropical plant widely used in traditional medicine. Its roots, leaves, flowers, stem, and fruits are traditionally employed to treat various inflammatory disorders.
Bruno Anderson F. Silva   +9 more
wiley   +1 more source

Floral initiation and development in Quaking Aspen [PDF]

open access: yes, 1963
The initiation and development of unisexual and bisexual flowers of Populus tremuloides were investigated in whole mounts and tissue sections. In the New Haven, Connecticut area, the morphological changes marking the transition from a presumably ...
Lester, D.T.
core   +1 more source

Life Stage‐Specific Genetic Diversity and Landscape Characteristics Collectively Influence Genetic Recovery in Pometia pinnata Population 生活史阶段特异的遗传多样性与景观特征对番龙眼种群遗传恢复的协同影响

open access: yesIntegrative Conservation, Volume 5, Issue 1, Page 137-149, March 2026.
Pometia pinnata demonstrated life‐stage‐specific genetic responses to landscape features, with asymmetric gene flow patterns and population recovery following historical bottlenecks, revealing complex topographic and demographic influences on forest genetic structure.
Madhuparna Chatterjee   +5 more
wiley   +1 more source

Craibella phuyensis (Annonaceae): A New Genus and Species from Thailand [PDF]

open access: yes, 2004
A new genus and species, Craibella phuyensis (Annonaceae), is described from Kanchanaburi Province, western Thailand. Craibella is a genus of small trees with pendent, unisexual flowers; the petals are in two whorls, with the larger inner whorl forming a
Saunders, RMK, Su, YCF, Chalermglin, P
core   +1 more source

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