Results 81 to 90 of about 54,651 (307)

Inheritance of disc flower color in Helianthus petiolaris [PDF]

open access: yes, 2009
Disc flowers of Helianthus petiolaris (Asteraceae) are usually purple reddue to anthocyanin pigments in corolla lobes, style and stigma. However, yellow-flowered plants are occasionally found.
Delucchi, C.   +2 more
core   +1 more source

Transcriptional response to petiole heat girdling in cassava [PDF]

open access: yesScientific Reports, 2015
AbstractTo examine the interactions of starch and sugar metabolism on photosynthesis in cassava, a heat-girdling treatment was applied to petioles of cassava leaves at the end of the light cycle to inhibit starch remobilization during the night. The inhibition of starch remobilization caused significant starch accumulation at the beginning of the light
Zhang, Yang   +8 more
openaire   +2 more sources

Primula himalayana sp. nov., a new species from eastern Himalaya, India

open access: yesNordic Journal of Botany, EarlyView.
Primula himalayana sp. nov., a new species of Primulaceae, is described and illustrated from Tawang, Lutrem, 4238 m a.s.l., Arunachal Pradesh, India. It grows under Juniperus and Berberis scrub forest in an alpine meadow. The new species belong in Primula section Cordifoliae and is resembling P.
Bipankar Hajong   +2 more
wiley   +1 more source

Influence du greffage sur la nutrition minérale de la vigne. Conséquences sur la fertilisation *

open access: yesOENO One, 1979
Le greffage modifie la nutrition minérale de la vigne, la sensibilité aux carences, la réponse aux fumures. La teneur en éléments minéraux des limbes et des pétioles est la résultante d'un double effet (« effet greffon » et « effet porte-greffe ». Chacun
Jacques Delas, Roger Pouget
doaj   +1 more source

Evidence from multivariate morphometric study of the quercus pubescens complex in southeast Italy [PDF]

open access: yes, 2016
The name Quercus pubescens s.l. encompasses a complex of deciduous oak taxa with mainly southeastEuropean distribution and a large ecological niche. As the easternmost region of Italy, Apulia is rather isolated from a geographical and physiographical ...
Di Marzio, Piera   +6 more
core   +1 more source

Petiole bending in Detached Leaves of Bryophyllum calycinum: Relevance to Polar Auxin Transport in Petioles

open access: yesActa Biologica Cracoviensia s. Botanica, 2018
Petiole bending in detached leaves of Bryophyllum calycinum was intensively investigated in relation to polar auxin transport in petioles. When detached leaves were placed leaf blade face down, clear petiole bending was observed. On the other hand, no petiole bending was found when detached leaves were placed leaf blade face up.
Ueda, Junichi   +3 more
openaire   +1 more source

Pinguicula brendae (Lentibulariaceae) sp. nov., a carnivorous plant from a tropical montane cloud forest in Hidalgo, Mexico

open access: yesNordic Journal of Botany, EarlyView.
A new species of Lentibulariaceae, Pinguicula brendae Rodríguez‐Ramírez, H.Shimai & A.R. Andrés‐Hernández, is described based on its unique morphological characteristics. This species is restricted to limestone rock walls in the San Bartolo Tutotepec municipality, central‐eastern Hidalgo, Mexico, where it inhabits a single locality on vertical, north ...
Ernesto C. Rodríguez‐ Ramírez   +2 more
wiley   +1 more source

Oreocharis konkakinhensis (Gesneriaceae) sp. nov. from the Central Highlands, Vietnam

open access: yesNordic Journal of Botany, EarlyView.
Oreocharis konkakinhensis, a new species of Gesneriaceae, is described and illustrated from the Central Highlands, Vietnam. The new species is morphologically most similar to Oreocharis phuongii, a recently described species from central Vietnam. However, it clearly differs from the latter by having stems without stolons, subulate bracts, yellow inner ...
Thi Thanh Dat Pham   +6 more
wiley   +1 more source

Dos nuevas especies de Pogonomyrmex (Hymenoptera: Formicidae) de la Argentina [PDF]

open access: yes, 2009
Se describen dos nuevas especies de Pogonomyrmex Mayr para la Argentina: P. mendozanus sp. nov. y P. kusnezovi sp. nov. Se presenta una lista actualizada de las especies de Pogonomyrmex de la Argentina junto con datos de distribución, comentarios sobre ...
Claver, Silvia   +1 more
core  

Taxonomic reappraisal of the mangrove genus Avicennia (Acanthaceae) in India

open access: yesNordic Journal of Botany, EarlyView.
A taxonomic reappraisal of the mangrove genus Avicennia in India was undertaken through extensive field surveys and critical examination of herbarium specimens. Three taxa, Avicennia alba, Avicennia marina subsp. marina, and Avicennia officinalis, are described in detail. A synonymic list was compiled using the World Checklist of Vascular Plants (WCVP)
Subrata Mondal, Saikat Naskar
wiley   +1 more source

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