Prunus prostrata
Encyclopedia
Prunus prostrata is a hardy alpine shrub
Shrub
A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 found naturally above about 2000 m. up to as high as 4000 m. in Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

, Algeria
Algeria
Algeria , officially the People's Democratic Republic of Algeria , also formally referred to as the Democratic and Popular Republic of Algeria, is a country in the Maghreb region of Northwest Africa with Algiers as its capital.In terms of land area, it is the largest country in Africa and the Arab...

, Morocco
Morocco
Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

, Tunisia
Tunisia
Tunisia , officially the Tunisian RepublicThe long name of Tunisia in other languages used in the country is: , is the northernmost country in Africa. It is a Maghreb country and is bordered by Algeria to the west, Libya to the southeast, and the Mediterranean Sea to the north and east. Its area...

, Syria
Syria
Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

, Turkey
Turkey
Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

, Albania
Albania
Albania , officially known as the Republic of Albania , is a country in Southeastern Europe, in the Balkans region. It is bordered by Montenegro to the northwest, Kosovo to the northeast, the Republic of Macedonia to the east and Greece to the south and southeast. It has a coast on the Adriatic Sea...

, Greece
Greece
Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

, including Crete
Crete
Crete is the largest and most populous of the Greek islands, the fifth largest island in the Mediterranean Sea, and one of the thirteen administrative regions of Greece. It forms a significant part of the economy and cultural heritage of Greece while retaining its own local cultural traits...

, Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

, Sardinia
Sardinia
Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

, Yugoslavia
Yugoslavia
Yugoslavia refers to three political entities that existed successively on the western part of the Balkans during most of the 20th century....

, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, Corsica
Corsica
Corsica is an island in the Mediterranean Sea. It is located west of Italy, southeast of the French mainland, and north of the island of Sardinia....

, Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

, the Caucasus
Caucasus
The Caucasus, also Caucas or Caucasia , is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea...

, Iran
Iran
Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

, Kashmir
Kashmir
Kashmir is the northwestern region of the Indian subcontinent. Until the mid-19th century, the term Kashmir geographically denoted only the valley between the Great Himalayas and the Pir Panjal mountain range...

 and Afghanistan
Afghanistan
Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

.
It grows as tall as 1 m., more typically 0.15-0.30 m., sometimes in the crevices of vertical surfaces. The branches tend to follow the surface at any angle. Flowering patches of the plant on the rocky slopes, sometimes still snow-clad, are striking to climbers.

The bark
Bark
Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines and shrubs. Bark refers to all the tissues outside of the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner...

 is reddish-brown. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are ovate, with serrate margins, tomentose
Tomentose
Tomentose is a term used to describe plant hairs that are flattened and matted, forming a woolly coating known as tomentum. Often the hairs are silver or gray-colored...

 with white down on undersurface, glabrous above. The petiole
Petiole (botany)
In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...

s lack glands. The flowers are an unusual light rose color, coming out in April-May, solitary or in pairs, nearly sessile, with a tubular calyx. There are 22-24 stamen
Stamen
The stamen is the pollen producing reproductive organ of a flower...

s. The fruit is red, ovate, with thin flesh, ripening in July.

Uses

The fruit is edible but not preferred by humans. The plant's main use is as in ornamental gardening. It can be grafted to form a tree.

Classification

The name Prunus prostrata was assigned by Jacques Labillardière
Jacques Labillardière
Jacques-Julien Houtou de Labillardière was a French naturalist noted for his descriptions of the flora of Australia. Labillardière was a member of a voyage in search of the La Pérouse expedition...

, the French botanist, in Icones plantarum Syriae rariorum, published on his return from a plant-hunting expedition to the Middle east. Prostrata means "lying on the ground", referring to the plant's ground-hugging propensity, a mechanical necessity at high altitude. A prostrate branch bends back to the ground.

Some synonyms were created subsequently, mainly by using the now unaccepted genus Cerasus
Cerasus
- Plants and fruits :* Cherry, aka Cerasus, subgenus of the genus Prunus* Cerasus, a synonym of the genus Prunus- Places :* Giresun, provincial capital of Giresun Province in the Black Sea Region of northeastern Turkey...

instead of Prunus
Prunus
Prunus is a genus of trees and shrubs, which includes the plums, cherries, peaches, apricots and almonds. There are around 430 species spread throughout the northern temperate regions of the globe. Many members of the genus are widely cultivated for fruit and ornament.-Botany:Members of the genus...

. These are, in order of date:
  • Cerasus prostrata (Labill.) Ser.
    Nicolas Charles Seringe
    Nicolas Charles Seringe was a French physician and botanist who was a native of Longjumeau.He studied medicine in Paris, and subsequently served as a military surgeon. In this role he was involved in the German campaign under General Jean Victor Marie Moreau...

    , published in A. P. de Candolle
    A. P. de Candolle
    Augustin Pyramus de Candolle also spelled Augustin Pyrame de Candolle was a Swiss botanist. René Louiche Desfontaines launched Candolle's botanical career by recommending him at an herbarium...

    , Prodr.
    Prodromus Systematis Naturalis Regni Vegetabilis
    Prodromus Systematis Naturalis Regni Vegetabilis, also known by its standard botanical abbreviation Prodr. , is a 17-volume treatise on botany initiated by A. P. de Candolle. De Candolle intended it as a summary of all known seed plants, encompassing taxonomy, ecology, evolution and biogeography....

     2:538. 1825

  • Cerasus humilis Moris, published in Stirp. sard. elench. 1:17. 1827

  • Cerasus prostrata var. concolor Boiss.
    Pierre Edmond Boissier
    Pierre Edmond Boissier was a Swiss botanist, explorer and mathematician.He was the son of Jacques Boissier and Lucile Butini , daughter of Pierre Butini a well-known physician and naturalist from Geneva...

    , published in Fl. orient. 2:648. 1872-1873


Latin humilis means "on the ground." Boissert defines the variety concolor as folia utrinque glabra, "leaves smooth on both sides."

Palaeobotanical evidence

A recent study of pollen
Pollen
Pollen is a fine to coarse powder containing the microgametophytes of seed plants, which produce the male gametes . Pollen grains have a hard coat that protects the sperm cells during the process of their movement from the stamens to the pistil of flowering plants or from the male cone to the...

 and other microfossils from a core sample
Core sample
A core sample is a cylindrical section of a naturally occurring substance. Most core samples are obtained by drilling with special drills into the substance, for example sediment or rock, with a hollow steel tube called a core drill. The hole made for the core sample is called the "core hole". A...

 taken in an intermontane valley of the Segura
Segura
Segura is a medium-sized river in southeastern Spain.It starts at Santiago Pontones , passes Calasparra, Cieza, Murcia, Beniaján, Orihuela, Rojales and ends in the Mediterranean Sea near Guardamar del Segura in the province of Alicante...

 mountains in southern Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 finds P. prostrata in a "Prunus type" located in two radiocarbon-dated
Radiocarbon dating
Radiocarbon dating is a radiometric dating method that uses the naturally occurring radioisotope carbon-14 to estimate the age of carbon-bearing materials up to about 58,000 to 62,000 years. Raw, i.e. uncalibrated, radiocarbon ages are usually reported in radiocarbon years "Before Present" ,...

zones from about 2630 BP to about 1550 BP and again from about 790 BP to present. The ecology of the Prunus type was "high-altitude open pine forest." The core goes back to 8320 BP, but there is no evidence if Prunus in it before 2630.
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