Results 51 to 60 of about 9,123 (221)

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

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

Lectotypifications and taxonomic changes in the holoparasitic Orobanchaceae

Nordic Journal of Botany, EarlyView.
Based on further extensive studies of specimens in various herbaria, lectotypes are designated for many taxa of holoparasitic Orobanchaceae. In particular, 47 names in the genera Boschniakia (incl. Xylanche), Cistanche, Orobanche, Phelipanche and Phelypaea are lectotypified.
Holger Uhlich, Stefan Rätzel, Óscar Sánchez Pedraja, Renata Piwowarczyk, Valerio Lazzeri, Patrice Descombes   +5 more
wiley   +1 more source

Tetrataenium paikadae (Apiaceae), a new species from the Western Ghats, India

Nordic Journal of Botany, EarlyView.
A new species, Tetrataenium paikadae C.Rekha, Manudev & Prasanth (Apiaceae), is described from the State of Kerala, India. The new species is characterised by its hirsute to hispid stems, broadly ovate or rounded leaflets, long petioles with hirsute leaf sheaths, tomentose rays, symmetric flowers, ovate‐lanceolate involucel bracteoles, and mericarp ...
Rekha Chappan, Prasanth Malammal Kanhirampadam, Aswindas Thekke Parakkal, Manudev Kambiyelummal Madhavan   +3 more
wiley   +1 more source

Floral organ transcriptome in Camellia sasanqua provided insight into stamen petaloid

BMC Plant Biology, 2022
Background The cultivated Camellia sasanqua forms a divergent double flower pattern, and the stamen petaloid is a vital factor in the phenomenon. However, the regulation mechanism remains largely unclear.
Menglong Fan, Xinlei Li, Ying Zhang, Si Wu, Zhixin Song, Hengfu Yin, Weixin Liu, Zhengqi  Fan, Jiyuan  Li   +8 more
doaj   +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

Comparative transcript profiling of a male sterile cybrid pummelo and its fertile type revealed altered gene expression related to flower development. [PDF]

PLoS ONE, 2012
Male sterile and seedless characters are highly desired for citrus cultivar improvement. In our breeding program, a male sterile cybrid pummelo, which could be considered as a variant of male fertile pummelo, was produced by protoplast fusion.
Bei-Bei Zheng, Xiao-Meng Wu, Xiao-Xia Ge, Xiu-Xin Deng, Jude W Grosser, Wen-Wu Guo   +5 more
doaj   +1 more source

Breynia phuongiana (Phyllanthaceae), a new species from the Central Highlands of Vietnam

Nordic Journal of Botany, EarlyView.
A new species, Breynia phuongiana (Phyllanthaceae subgen. Sauropus), is described and illustrated from the Central Highlands of Vietnam. It is morphologically similar to B. beillei, B. bonii, and B. thorelii, but differs in having oblong‐elliptic leaves, sepals marked with reddish striations, an androphore exceeding 1 mm in length, and distinctly ...
Van Canh Nguyen, Thi Thuy Nhan Tran, Ba Vuong Truong, Leonid V. Averyanov, Thi Hoa Nguyen, Thanh Nha Phan‐Thi, Nguyen‐Khanh‐Trinh Tram   +6 more
wiley   +1 more source

Total control - pollen presentation and floral longevity in Loasaceae (blazing star family) are modulated by light, temperature and pollinator visitation rates.

PLoS ONE, 2012
Stamen movements can be understood as a mechanism influencing pollen presentation and increasing outbreeding success of hermaphroditic flowers via optimized male function.
Tilo Henning, Maximilian Weigend
doaj   +1 more source

A regulatory network for coordinated flower maturation. [PDF]

PLoS Genetics, 2012
For self-pollinating plants to reproduce, male and female organ development must be coordinated as flowers mature. The Arabidopsis transcription factors AUXIN RESPONSE FACTOR 6 (ARF6) and ARF8 regulate this complex process by promoting petal expansion ...
Paul H Reeves, Christine M Ellis, Sara E Ploense, Miin-Feng Wu, Vandana Yadav, Dorothea Tholl, Aurore Chételat, Ina Haupt, Brian J Kennerley, Charles Hodgens, Edward E Farmer, Punita Nagpal, Jason W Reed   +12 more
doaj   +1 more source