''Salix retusa'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Salicaceae The Salicaceae is the willow family of flowering plants. The traditional family (Salicaceae ''sensu stricto'') included the willows, poplar, aspen, and cottonwoods. Genetic studies summarized by the Angiosperm Phylogeny Group (APG) have greatly ...

Description

''Salix retusa'' can reach a height of . This plant usually develops creeping stems, rarely erect. The dull green leaves are obovate, lanceolate or elliptic, with entire margins, 2 × 1 cm, with very short petioles. Like all willows this species is dioecious. Catkins are broadly cylindrical, with yellow anthers. Flowers bloom from June to July.

Distribution

It is present in the mountains of central and southern Europe including the

Pyrenees The Pyrenees (; es, Pirineos ; french: Pyrénées ; ca, Pirineu ; eu, Pirinioak ; oc, Pirenèus ; an, Pirineus) is a mountain range straddling the border of France and Spain. It extends nearly from its union with the Cantabrian Mountains to ...

and the mountains of

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...

Habitat

This species can be found in rock crevices and screes at elevation of above sea level.

References

*Pignatti S. - Flora d'Italia (3 voll.) - Edagricole – 1982 *Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003

External links

BiolibAlpine Plant Encyclopaedia
*

retusa ''Retusa'' is a genus of very small head-shield sea snails or barrel-bubble snails, marine gastropod mollusks in the family Retusidae.Bouchet, P.; Gofas, S. (2013). ''Retusa'' T. Brown, 1827. Accessed through: World Register of Marine Species at ...

Flora of Southwestern Europe Flora of the Pyrenees Plants described in 1759 Taxa named by Carl Linnaeus {{Salicaceae-stub