Results 191 to 200 of about 199,462 (316)

Phyllocephalum keralense (Asteraceae) a new species from southern Western Ghats of Kerala, India

Nordic Journal of Botany, EarlyView.
A new species of Phyllocephalum is described and illustrated from Palakkad district of Kerala, India. The new species shows similarity to P. rangacharii but differs with respect to key floral traits, viz. ovoid shape of the capitula, involucral bracts in 3 series, inflated receptacle and ovoid 6‐ribbed ovary with 5–6 densely barbellate pappus setae ...
Arya Sindhu, Sojan Jose, Alex Philip Alen, Venugopalan Nair Saradamma Anilkumar, Veerankutty Suresh   +4 more
wiley   +1 more source

Low-temperature stress modulates pollen tube growth through temperature-dependent multi-level regulatory mechanisms in Camellia sinensis. [PDF]

Plant Reprod
Acar S, Çetinbaş-Genç A.
europepmc   +1 more source

Effect of population reinforcement method, site, and plant characteristics on early establishment of the rare endemic plant species Minuartia smejkalii

Nordic Journal of Botany, EarlyView.
Many habitat‐specialist plant species have been endangered by fragmentation or destruction of their habitats. Minuartia smejkalii is a serpentinophyte endemic to the Czech Republic. It is highly threatened by recent habitat destruction and fragmentation, calling for effective conservation measures.
Alrun Siebenkäs, Karolína Sučíková, Zuzana Münzbergová, Hana Pánková   +3 more
wiley   +1 more source

Sugar-mediated physical constraints drive the evolution of pollination drops into nectar. [PDF]

Sci Rep
Giordano E, Betti G, Calabrese D, Casino CD, Ferrari M, Cirisano F, Gasperi T, Nepi M.   +7 more
europepmc   +1 more source

Variation in pollen limitation among reproductive modules points to likely resource reallocation in the alpine plant Veratrum grandiflorum

Nordic Journal of Botany, EarlyView.
Pollen limitation, a decrease in seed production due to insufficient pollen receipt, may influence plant demography and the evolution of sexual systems. Its empirical estimation of pollen supplementation of some of the flowers on an individual is well known to be prone to overestimation due to potential resource reallocation among the individual's ...
Xia Jiang, Kai‐Hsiu Chen, Shengman Lyu, Ling Liu, Meixian Yu, John R. Pannell, Guoxing Cao   +6 more
wiley   +1 more source

Deciphering the Transcriptomic Dynamics of Self-Incompatibility in Yellow Passion Fruit: Evidence of Modified Sporophytic Mechanism. [PDF]

Plants (Basel)
Wang X, Li J, Liu K, Huang Y, An C, Cheng Y, Zheng P, Yan M, Deng B, Chai G, Niu X, Cai H, Lu Y, Qin Y, Wang L.   +14 more
europepmc   +1 more source

Generalist‐pollinated Arabis alpina exhibits floral scent variation at multiple scales

Nordic Journal of Botany, EarlyView.
Plants that depend on animals for reproduction often use complex floral traits to attract pollinators. Floral scent is recognized as part of the pollinator attraction module and can be shaped by plant‐pollinator interactions. In recent decades, research has started to reveal the dynamic properties of floral scent, identifying patterns of spatial and ...
Hanna Thosteman, Katherine Eisen, Clara McNaughton Montgomery, Xuefei Cheng, Loretta Pace, Magne Friberg   +5 more
wiley   +1 more source

Interpretable machine learning classification of cedar and cypress pollen on routine Durham slides for environmental exposure assessment. [PDF]

Front Allergy
Suzuki N, Sugiyama K, Kobayashi K, Fukuoka H, Takumi Y.   +4 more
europepmc   +1 more source

Reinstatement and generic reassignment of Phyllanthus asteranthos Croizat (Phyllanthaceae) based on living plant observations and specimen analysis

Nordic Journal of Botany, EarlyView.
Phyllanthus asteranthos Croizat has been treated as a synonym of P. pulcher Wall. ex Müll. Arg. (syn. Nymphanthus glaucescens (Miq.) R.W.Bouman) since 1987. Through detailed morphological observations of living plants and critical examinations of type materials and additional specimens, this study revealed that the two taxa are morphologically very ...
Feng Yang, Li‐Ju Jiang, Huan‐Chong Wang   +2 more
wiley   +1 more source

Melissopalynological and Physicochemical Analysis of Selected Honey Samples from Romania, Spain, Malaysia, and New Zealand. [PDF]

Foods
Ioniță-Mîndrican CB, Ancuceanu R, Dinu M, Oprea E, Negrei C.   +4 more
europepmc   +1 more source