Results 111 to 120 of about 21,897 (297)

Young dove trees tend to invest more biomass in vegetative and reproductive organs than old trees at the twig level

open access: yesGlobal Ecology and Conservation
Research on the functional traits of twigs is of great significance to clarify the plant life-history strategies, especially for endangered plants. However, little attention has been given to the environmental adaptation strategy of different age twigs ...
Zhengchuan Liang   +7 more
doaj   +1 more source

Molecular phylogeny and morphology reveal a new epiphytic species of Habenaria (Orchidaceae; Orchideae; Orchidinae) from Nepal.

open access: yesPLoS ONE, 2019
Habenaria is almost cosmopolitan in distribution having predominantly terrestrial orchids, however; a remarkable epiphytic species with some unique morphological characters was collected from Nepal.
Bhakta Bahadur Raskoti, Rita Ale
doaj   +1 more source

Estudo da cinética de secagem em camada delgada da bráctea da macambira

open access: yesRevista Verde de Agroecologia e Desenvolvimento Sustentável, 2015
A macambira é uma bromélia do sertão brasileiro e a sua principal utilização para consumo de suas brácteas é na forma de produtos secos, tais como a farinha.
T. R. B. Pessoa   +3 more
doaj   +1 more source

Lonicera involucrata: bracted honeysuckle, black twinberry, swamp honeysuckle

open access: yesEducation and Research Archive, 2013
Species profile for Lonicera involucrata: bracted honeysuckle, black twinberry, swamp ...
Smreciu, A., Wood, S., Gould, K.
openaire   +3 more sources

Update on Ouratea cidiana Sastre (Ochnaceae), a microendemic species from the Amazon: enlightening the identity and conservation status

open access: yesNordic Journal of Botany, EarlyView.
Ouratea cidiana (Ochnaceae) is a microendemic shrub species from the Brazilian Amazonia, occurring along the banks of the Trombetas River and restricted to the Cachoeira Porteira region, in western Pará State. Since the original collection nearly forty years ago, no additional records have been made, which is concerning given the continuous decline in ...
Clebiana de Sá Nunes   +4 more
wiley   +1 more source

Reality of virus infections in banana and plantain in Democratic Republic of Congo. [P.61] [PDF]

open access: yes, 2015
Viral diseases of banana are one of the major constraints to the production and distribution of germoplasm of banana in the world. To date, six viruses have been listed on banana: Banana bunchy top virus (BBTV), Banana streak virus (BSV), Banana bract ...
Bragard, Claude   +3 more
core  

Hechtia mixtecana sp. nov. (Hechtioideae; Bromeliaceae), from Oaxaca, Mexico

open access: yesNordic Journal of Botany, EarlyView.
Botanical explorations carried out in the state of Oaxaca, Mexico, led to the discovery of a new Bromeliaceae: Hechtia mixtecana,which is here described and illustrated. The new taxon is compared with the morphologically similar Hechtia fragilis, Hechtia lyman‐smithii, and Hechtia minuta.
Rodrigo Alejandro Hernández‐ Cárdenas   +4 more
wiley   +1 more source

Biennialism and Vernalization-Promoted Flowering in \u3cem\u3eHyoscyamus niger\u3c/em\u3e: a Comparison with \u3cem\u3eArabidopsis\u3c/em\u3e [PDF]

open access: yes, 2001
There are genetic similarities between the biennial growth habit of Hyoscyamus niger (H. niger) and winter annual ecotypes of Arabidopsis thaliana, including the response to demethylating agents.
Patel, Monica, Schläppi, Michael
core   +1 more source

Meyna grisea (King & Gamble) Robyns and Meyna peltata Robyns (Rubiaceae: Vanguerieae) – a new record of two ethnobotanically significant fruit trees from Manipur, India

open access: yesNordic Journal of Botany, EarlyView.
Meyna grisea and M. peltata, two new records from Imphal Valley, Manipur, India, characterised by a capitate stigma with 4–5 divergent, spreading lobes on a globose base, and a prominent peltate stigma, respectively, are described and illustrated here. Photographs, key to the species, along with their coordinates and diagnostic characters in comparison
Pallavi B. Dhal   +3 more
wiley   +1 more source

The species relationship of the genus Carduus L. (Asteraceae) based on morphological characters in Iran

open access: yesتاکسونومی و بیوسیستماتیک, 2014
Carduus L. of the genus Compositae include about 90 species which are distributed mainly in the Europe, Asia and Africa as the three major centers of diversity of Carduus.
Hejraneh Azizi   +2 more
doaj  

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