Branching Out into an English Landscape

These magnificent oak trees were standing in a field of rape.

An oak is a tree or shrub in the genus Quercus ([ˈkwɛrkʊs]; Latin "oak tree") of the beech family, Fagaceae. There are approximately 600 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks), as well as in those of unrelated species such as Grevillea robusta (silky oaks) and the Casuarinaceae (she-oaks). The genus Quercus is native to the Northern Hemisphere, and includes deciduous and evergreen species extending from cool temperate to tropical latitudes in the Americas, Asia, Europe, and North Africa. North America contains the largest number of oak species, with approximately 90 occurring in the United States, while Mexico has 160 species of which 109 are endemic. The second greatest center of oak diversity is China, which contains approximately 100 species.

Oaks have spirally arranged leaves, with lobate margins in many species; some have serrated leaves or entire leaves with smooth margins. Many deciduous species are marcescent, not dropping dead leaves until spring. In spring, a single oak tree produces both male flowers (in the form of catkins) and small female flowers. The fruit is a nut called an acorn or oak nut borne in a cup-like structure known as a cupule; each acorn contains one seed (rarely two or three) and takes 6–18 months to mature, depending on their species. The acorns and leaves contain tannic acid, which helps to guard from fungi and insects.The live oaks are distinguished for being evergreen, but are not actually a distinct group and instead are dispersed across the genus.

For further information please visit en.wikipedia.org/wiki/Oak

Rapeseed (Brassica napus), also known as rape, oilseed rape,(and, in the case of one particular group of cultivars, canola), is a bright-yellow flowering member of the family Brassicaceae (mustard or cabbage family), cultivated mainly for its oil-rich seed. It is the third-largest source of vegetable oil in the world.

The term "rape" derives from the Latin word for turnip, rapum. Rapeseed is known by many common names in the English language. Some names have only been applied to certain subspecies (subsp.), forms (f.), or varieties (var.) of B. napus. B. napus = B. napus subsp. napus = B. napus subsp. napus f. napus.

Today, rapeseed is grown for the production of animal feed, edible vegetable oils, and biodiesel; leading producers include the European Union, Canada, China, India, and Australia. In India, 6.7 million tons are produced annually. According to the United States Department of Agriculture, rapeseed was the third-leading source of vegetable oil in the world in 2000, after soybean and palm oil.[citation needed] It is the world's second-leading source of protein meal after soybean.

For further information please visit en.wikipedia.org/wiki/Rapeseed

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Taken on: September 12, 2017

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Landscape

Oak Trees

Field

Countryside

Hedge

Sky

East Sussex

genus Quercus

Rapeseed (Brassica napus)

Oilseed Rape

Trees

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Camera: Nikon D80, f/5.6, 1/500 sec, 60mm (=90mm), ISO 140 (more info) (hide info)

Camera:	Nikon D80
Aperture:	f/5.6
Exposure Time:	0.002 sec (1/500)
Focal Length:	60mm (35mm equivalent: 90mm)
ISO:	140
Exposure Bias:	0 EV
Flash:	No Flash
Exposure Program:	Not Defined
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Contrast:	High
Color Space:	sRGB
Software:	Ver.1.00
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