Rubus durescens

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Rubus durescens
Linton's 1903 Flora of Derbyshire.jpg
Linton's 1903 The Flora of Derbyshire showing Rubus durescens in gold leaf
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. durescens
Binomial name
Rubus durescens
Derbyshire distribution map of Rubus durescens showing all known records plotted at an accuracy of 10 km x 10 km square Rubus durescens 10km distribution.GIF
Derbyshire distribution map of Rubus durescens showing all known records plotted at an accuracy of 10 km x 10 km square

Rubus durescens is a rare British species of flowering plant in the rose family. It is native to England, where the entire global distribution of this bramble is found only within the southern half of the county of Derbyshire. It occurs in hedges, shrubs, wood and heathy areas, and was first described and named in 1892 by the Derbyshire botanist William Richardson Linton. [1] [2] Linton placed an illustration of the plant in gold leaf on the cover of the 1903 version of The Flora of Derbyshire , of which he was the sole author. [3] [4]

Flowering plant Class of flowering plants (in APG I-III)

The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Like gymnosperms, angiosperms are seed-producing plants. However, they are distinguished from gymnosperms by characteristics including flowers, endosperm within the seeds, and the production of fruits that contain the seeds. Etymologically, angiosperm means a plant that produces seeds within an enclosure; in other words, a fruiting plant. The term comes from the Greek words angeion and sperma ("seed").

Rosaceae family of plants

Rosaceae, the rose family, is a medium-sized family of flowering plants, including 4,828 known species in 91 genera.

Derbyshire ceremonial county in East Midlands, England

Derbyshire is a county in the East Midlands of England. A substantial portion of the Peak District National Park lies within Derbyshire, containing the southern extremity of the Pennine range of hills which extend into the north of the county. The county contains part of the National Forest, and borders on Greater Manchester to the northwest, West Yorkshire to the north, South Yorkshire to the northeast, Nottinghamshire to the east, Leicestershire to the southeast, Staffordshire to the west and southwest and Cheshire also to the west. Kinder Scout, at 636 metres (2,087 ft), is the highest point in the county, whilst Trent Meadows, where the River Trent leaves Derbyshire, is its lowest point at 27 metres (89 ft). The River Derwent is the county's longest river at 66 miles (106 km), and runs roughly north to south through the county. In 2003 the Ordnance Survey placed Church Flatts Farm at Coton in the Elms as the furthest point from the sea in Great Britain.

Contents

Description and distribution

Rubus durescens has deep pink flowers and, according to Linton, "occurs in plenty over an area of some five miles by four to the north and east of Shirley". [5] He recorded the species between Ambergate and Whatstandwell in the north of its range, through Bradley Wood and Duffield in the centre, down to between Church Broughton and Sutton on the Hill in the southern part of its range. The 1969 version of The Flora of Derbyshire, by A.R.Clapham, also noted the plant in Bradley Wood as well as near Cross o' th' Hands. [6] The 2015 version of The Flora of Derbyshire noted that the plant's range had remained unchanged, listing locations at Mugginton Sand Quarry, Nether Heage, Lower Hartshay and Swanwick. [7] :89

Shirley, Derbyshire village and civil parish in Derbyshire Dales district, Derbyshire, England

Shirley is a small village and civil parish in Derbyshire, close to the town of Ashbourne. The population of the civil parish as taken at the 2011 Census was 270. It is situated in the countryside on top of a small hill.

Ambergate village in United Kingdom

Ambergate is a village in Derbyshire, England, situated where the River Amber joins the River Derwent, and where the A610 road from Ripley and Nottingham joins the A6 that runs along the Derwent valley between Derby to the south and Matlock to the north. Sawmills and Ridgeway are neighbouring hamlets, and Alderwasley, Heage, Nether Heage and Crich are other significant neighbouring settlements. The village forms part of the Heage and Ambergate ward of Ripley Town Council with a population of 5,013 at the 2011 Census. Ambergate is within the Derwent Valley Mills UNESCO World Heritage site, and has historical connections with George Stephenson; Ambergate is notable for its railway heritage and telephone exchange. Ambergate has an active community life, particularly centred on the school, pubs, churches, sports clubs; and annual village carnival which is relatively large and consistent locally, with popular associated events in carnival week and throughout the year. The carnival is organised by a voluntary committee. Shining Cliff woods, Thacker's woods and Crich Chase border the village.

Whatstandwell village in United Kingdom

Whatstandwell is a village on the River Derwent in the Amber Valley district of Derbyshire, England. It is about five miles south of Matlock and about four miles north of Belper. Whatstandwell railway station is located on the Derby-Matlock Derwent Valley Line, and the A6 trunk road crosses the River Derwent in the village. Most of the population is included in the civil parish of Crich but the village may be said to extend across the Derwent into the parish of Alderwasley.

Conservation status

Although many microspecies have no formal conservation status in the UK, Cheffings and Farrell in their 2005 Vascular Plant Red Data List for Great Britain suggested that all populations of local endemics such as Rubus should, when found in fewer than five 10 km (6.2 miles) × 10 km squares, be considered as "threatened". [8] As a result, Rubus durescens is now included on the 2015 Derbyshire Vascular Plant Red Data List in the category "Nationally Rare". [7] :418

<i>Rubus</i> genus of plants in the rose family

Rubus is a large and diverse genus of flowering plants in the rose family, Rosaceae, subfamily Rosoideae, with 250–700 species.

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William Hunt Painter Curate and rector known for his botany

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References

  1. ↑ Linton, W.R. (1892). "A new Rubus". Journal of Botany, British and Foreign . 30: 70–71. Rubus durescens, n. sp.—Stem arcuate, five-angled, its sides 7 flat or slightly furrowed in the upper part, glabrous or with a few . scattered hairs, purple and dark brown, smooth, shining. Prickles, on the angles, slender, declining, about twice ..
  2. ↑ Ray Desmond (25 February 1994). Dictionary Of British And Irish Botantists And Horticulturalists Including plant collectors, flower painters and garden designers. CRC Press. pp. 431–. ISBN   978-0-85066-843-8.
  3. ↑ Linton, W.R. (1903). The Flora of Derbyshire. Derby: Bemrose. Retrieved 5 October 2015.
  4. ↑ The Naturalist: A Monthly Journal of Natural History for the North of England... Simpkin, Marshall and Company. 1908. p. 51. He described and named Rubus durescens, a very distinct bramble belonging to the Rhamnifolii section, a representation of which adorns the cover of the ' Flora of Derbyshire,' ...
  5. ↑ Edees, Eric Smoothey (1963). "Notes on Derbyshire bramble" (PDF). BSBI Proceedings. 5: 13–19.
  6. ↑ Clapham, A.R., ed. (1969). The Flora of Derbyshire. Derby Museum.
  7. 1 2 Willmot, Alan; Moyes, Nick (2015). The Flora of Derbyshire. Pisces Publications. ISBN   978-1-874357-65-0.
  8. ↑ Cheffings, Christine; Farrell, Lynne (2005). "The Vascular Plant Red Data List for Great Britain" (PDF). JNCC. Retrieved 4 October 2015.
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