Hippophae

Hippophae
Common sea buckthorn shrub in the Netherlands
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Rosales
Family:	Elaeagnaceae
Genus:	Hippophae L.
Species
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See text

Hippophae is a genus of sea buckthorns, deciduous shrubs in the family Elaeagnaceae. The name sea buckthorn may be hyphenated to avoid confusion with the buckthorns (Rhamnus, family Rhamnaceae). It is also referred to as sandthorn, sallowthorn, or seaberry.

In ancient times, leaves and young branches from sea buckthorn were supposedly fed as a remedy to horses to support weight gain and appearance of the coat, thus leading to the name of the genus, Hippophae derived from hippo (horse), and phaos (shining).

Seven species are recognized, two of them probably of hybrid origin, native over a wide area of Europe and Asia.

Hippophae rhamnoides, the common sea buckthorn, is by far the most widespread of the species in the genus, with the ranges of its eight subspecies extending from the Atlantic coasts of Europe across to northwestern Mongolia and northwestern China. In western Europe, it is largely confined to sea coasts where salt spray off the sea prevents other larger plants from outcompeting it, but in central Asia, it is more widespread in dry semidesert sites where other plants cannot survive the dry conditions.

In central Europe and Asia, it also occurs as a sub-alpine shrub above the tree line in mountains, and other sunny areas such as river banks. They are tolerant of salt in the air and soil, but demand full sunlight for good growth and do not tolerate shady conditions near larger trees. They typically grow in dry, sandy areas.

More than 90% or about 1,500,000 ha (5,800 sq mi) of the world's natural sea buckthorn habitat is found in China, Mongolia, Russia, northern Europe, and Canada, where the plant is used for soil, water and wildlife conservation, antidesertification purposes, and consumer products.

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Wikipedia