Results 261 to 270 of about 279,706 (339)

Rediscovery of Passiflora clypeophylla (subgenus Decaloba): a highly threatened and narrow endemic species found within a karstic canyon in Guatemala

Nordic Journal of Botany, EarlyView.
Passiflora clypeophylla, an endemic species to the Guatemalan karstic forests last seen in 1889 and deemed extinct, was rediscovered in the Department of Alta Verapaz, east of Cobán. The species was known only from a single specimen hailed from the type locality, Rubel Cruz, where it has been found again. An additional location has been identified in a
J.R. Kuethe, Dennis I. Medina, Saban Sequen, Maura L. Quezada   +3 more
wiley   +1 more source

Study on Floral Syndrome and Breeding System of an Endangered Species <i>Rhododendron nymphaeoides</i>. [PDF]

Ecol Evol
Luo J, Chen M, Long H, Zhu Y, Yuan C, Hu K, Chen J, Liu R, Dai X, Ding F.   +9 more
europepmc   +1 more source

Parakaempferia alba sp. nov. (Zingiberaceae), a new species from Arunachal Pradesh, India

Nordic Journal of Botany, EarlyView.
Parakaempferia alba, a new species of Zingiberaceae from East Siang district of Arunachal Pradesh, India is herein described. A detailed taxonomic description, diagnosis, color photoplate, distribution map, notes on habitat and ecology, conservation status, and a table of comparisons with the closely related species Parakaempferai synantha Rao & Verma ...
Tatum Mibang, Bipankar Hajong, Devpratim Koch, Pankaj Bharali   +3 more
wiley   +1 more source

Phylogenetic Relatedness Determines Heterospecific Pollen-Pistil Compatibility and Reproductive Outcome in the Apocarpous Species <i>Sagittaria trifolia</i> (Alismataceae). [PDF]

Ecol Evol
Zou SY, Lyu ST, Yu T, Zhang TY, Zan X, Wang XF.   +5 more
europepmc   +1 more source

Sexual reproduction in invasive Japanese knotweed (Reynoutria japonica) in south Sweden

Nordic Journal of Botany, EarlyView.
To understand the potential for northward expansion of knotweeds into currently uninvaded regions, it is crucial to assess the potential for sexual reproduction alongside the ongoing vegetative spread. For that reason, we tested viability in Reynoutria japonica seeds in south Sweden, a region where viable seeds had not been previously reported ...
Tina D'Hertefeldt, Annette Andersson, Ellen Andersson, Bea Nerer, Mattias West, Alexander Zimmerman   +5 more
wiley   +1 more source

The Pollinating Network of Pollinators and the Service Value of Pollination in Hanzhong City, China. [PDF]

Insects
Chang X, Yan X, Lv F, Zhang Y, Breeze TD, Li X.   +5 more
europepmc   +1 more source

Typification and rediscovery of Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae) in Arunachal Pradesh, India

Nordic Journal of Botany, EarlyView.
Phialacanthus griffithii Benth. & Hook.f. (Acanthaceae), a species long thought unrecorded, was rediscovered in 2023 after a 160‐year gap in the Upper Dibang Valley, Eastern Himalaya, Arunachal Pradesh. The study presents a comprehensive taxonomic account including lectotypification, morphological description, phenology, habitat ecology, distribution ...
Umeshkumar L. Tiwari
wiley   +1 more source

Allergenic potential of ornamental Cupressales species and its consequences for urban planting. [PDF]

Sci Rep
Wieczorek O, Frątczak A, Grewling Ł.
europepmc   +1 more source

Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil

Nordic Journal of Botany, EarlyView.
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho, Dennys Victor e Souza Silva, William Matzenauer, Yuri Couceiro, Marccus Alves   +4 more
wiley   +1 more source

Variation in tolerance to heterospecific pollen from a non-native congener depends on co-existence history of maternal and paternal source populations. [PDF]

Am J Bot
Hoshino Y, Horie S, Maki M, Dohzono I.
europepmc   +1 more source