Results 11 to 20 of about 51,419 (263)

Nectar and oleiferous trichomes as floral attractants in Bulbophyllum saltatorium Lindl. (Orchidaceae) [PDF]

open access: yes, 2017
Although many Orchidaceae have deceit flowers that produce no reward, the most common reward, when present, is nectar. Bulbophyllum, however, is unusual in that the labellar secretions of most species investigated to date lack sugars, and, therefore ...
Davies, Kevin L.   +2 more
core   +1 more source

Pharmacognostical standardisation of an epiphytic orchid, Luisia tenuifolia Blume. [PDF]

open access: yesJournal of Pharmacy & Pharmacognosy Research, 2022
Context: Pharmacognostical standardization of crude drugs is essential before carrying out its scientific validation as it furnishes the identity and authenticity of the plant. Luisia tenuifolia Blume also known as ‘slender leaved Luisia’, has been found
Sakthi P. Sethuraman   +1 more
doaj  

The olfactory basis of orchid pollination by mosquitoes. [PDF]

open access: yes, 2020
Mosquitoes are important vectors of disease and require sources of carbohydrates for reproduction and survival. Unlike host-related behaviors of mosquitoes, comparatively less is understood about the mechanisms involved in nectar-feeding decisions, or ...
Akbari, Omar S   +6 more
core   +1 more source

La aparición de la orquídea Sacoila lanceolata (Orchidoideae: Cranichideae: Spiranthinae) en el ejido de la Ciudad Autónoma de Buenos Aires

open access: yesBonplandia, 2021
A pesar de que la ciudad de Buenos Aires es un territorio antropizado en su totalidad existen reductos de vegetación que albergan plantas nativas de ocurrencia espontánea.
Agustín Sanguinetti, Hugo Campos
doaj   +1 more source

Anatomy, histochemistry and biochemistry of glucovanillin, oleoresin and mucilage accumulation sites in green mature vanilla pod (Vanilla planifolia; Orchidaceae): A comprehensive and critical reexamination [PDF]

open access: yes, 2009
Introduction. Les gousses de vanille vertes matures accumulent du 4-O-(3- méthoxy-benzaldehyde)- -D-glucoside (glucovanilline), qui, par hydrolyse à l'aide une -glucosidase endogène, libère de la vanilline, le composé d'arôme majoritaire de la vanille ...
Brillouet, Jean-Marc, Odoux, Eric
core   +1 more source

Notes of Orchids from Andalucía. II [PDF]

open access: yes, 2001
Notas de Orquídeas de Andalucia II. Palabras clave. Orchidaceae, Andalucía, Espana.Key Words.
Lowe, Michael R., Phillips, Ian
core   +4 more sources

Orchidaceae Americanae Orchidaceae Americanae

open access: yesCaldasia, 1970
The following paper continues the series of nomenclatural notes and adjustments commenced under the title "Studies in Neotropical Orchidology" in Acta Botanica Academiae Scientiarum Hungaricae, Vol. 14: pp. 63-70 (1968). As in the previous contribution, the genera considered in the present study are Brassavola R.
openaire   +4 more sources

A new Tongue-orchid (Orchidaceae) in southwest Spain: Serapias occidentalis

open access: yesAnales del Jardín Botánico de Madrid, 2006
Serapias occidentalis is described from several populations (Campo Lugar, Obando and Aljucén) scattered over the Guadiana river basin in Extremadura, Spain.
Caspar Venhuis   +2 more
doaj   +1 more source

Distinguishing colour variants of Serapias perez-chiscanoi (Orchidaceae) from related taxa on the Iberian Peninsula

open access: yesAnales del Jardín Botánico de Madrid, 2011
Serapias perez-chiscanoi has a stable and uniform appearance with green flowers. Throughout its distribution area, however, plants have been found with deviant pink to red flowers that show similarities with other taxa that are occasionally pale flowered.
Caspar Venhuis   +1 more
doaj   +1 more source

Home - About - Disclaimer - Privacy