Rubus caesius

Last updated

Contents

Rubus caesius
Poldmuraka ois Rubus caesius.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Rubus
Species:
R. caesius
Binomial name
Rubus caesius
L.
Synonyms [1]
  • Rubus caeruleusGilib.
  • Rubus coeruleusGilib.
  • Rubus humilisBubani
  • Rubus ligerinusGenev.
  • Rubus mitissimus Ripart ex Genev.
  • Rubus rivalisGenev.
  • Rubus sabulosusSudre
  • Selnorition cesius(L.) Raf. ex B.D.Jacks.
  • Selnorition caesius(L.) Raf. ex B.D.Jacks.

Rubus caesius is a Eurasian species of dewberry, known as the European dewberry. [2] Like other dewberries, it is a species of flowering plant in the rose family, related to the blackberry and raspberry. It is widely distributed across much of Europe and Asia from Ireland and Portugal as far east as Xinjiang Province in western China. [3] It has also become sparingly naturalized in scattered locations in Argentina, Canada, and the United States. [4] [5] [6] [7]

European Dewberry. (Rubus Caesius) growing.jpg

Description

Rubus caesius fruit - Keila.jpg

Rubus caesius is similar to and often confused with forms of Rubus fruticosus . [3] It is a small shrub growing up to 2 m (6 ft 7 in) tall with biennial stems which die after fruiting in their second year. It sends out long runners which root at the tip to form new plants. The stems are bluish-grey and sometimes prickly. The alternate leaves are hairy above and below. They are stalked and the leaf blades are palmate in shape, either consisting of three oval leaflets with serrated margins and acute points or just being three-lobed. The inflorescence is a loose cluster of several white flowers about 2.5 cm (1 in) in diameter. The calyx has five sepals and the corolla is composed of five spreading petals with finely toothed margins. There is a boss of stamens in the centre and there are several pistils. The fruit is an aggregate of several black, fleshy drupes with a bluish waxy bloom. The dewberry flowers from June to September. [8] [6]

Distribution and habitat

Rubus caesius most often inhabits areas with rocky, basic soil and light shade. [3] It is often found in forest margins, coppices, rocky broadleaf woods and waterside thickets. [9] The dewberry can hybridise with the raspberry (Rubus idaeus) and the stone bramble (Rubus saxatilis).

Hybrids

Various hybrids and cultivars have been developed from the wild form of R. caesius, including 'Youngberry' (a raspberries, blackberries, and dewberries hybrid), [10] olallie blackberry and marionberry.

Genome

Alice et al., 2001 find R. caesius is a tetraploid blackberry which hybridises especially with R. idaeus and others of the genus. [11] Sochor et al., 2015 finds this species has produced many new European blackberry species by speciation by hybridisation with R. idaeus. [11] Carter et al., 2019 find maternal descent is probably from Rubus subg. Rubus. [11]

Related Research Articles

<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 over 1,350 species, commonly known as brambles.

<span class="mw-page-title-main">Blackberry</span> Fruit of Rubus species

The blackberry is an edible fruit produced by many species in the genus Rubus in the family Rosaceae, hybrids among these species within the subgenus Rubus, and hybrids between the subgenera Rubus and Idaeobatus. The taxonomy of blackberries has historically been confused because of hybridization and apomixis, so that species have often been grouped together and called species aggregates. For example, the entire subgenus Rubus has been called the Rubus fruticosus aggregate, although the species R. fruticosus is considered a synonym of R. plicatus.

<span class="mw-page-title-main">Dewberry</span> Type of black berry

The dewberries are a group of species in the genus Rubus, section Rubus, closely related to the blackberries. They are small trailing brambles with aggregate fruits, reminiscent of the raspberry, but are usually purple to black instead of red.

<span class="mw-page-title-main">Boysenberry</span> Hybrid species of berry

The boysenberry is a cross between the European raspberry, European blackberry, American dewberry, and loganberry.

<span class="mw-page-title-main">Raspberry</span> Edible fruit

The raspberry is the edible fruit of a multitude of plant species in the genus Rubus of the rose family, most of which are in the subgenus Idaeobatus. The name also applies to these plants themselves. Raspberries are perennial with woody stems.

<i>Rubus idaeus</i> Red raspberry

Rubus idaeus is a red-fruited species of Rubus native to Europe and northern Asia and commonly cultivated in other temperate regions.

<span class="mw-page-title-main">Loganberry</span> Species of fruit and plant

The loganberry is a hybrid of the North American blackberry and the European raspberry.

<i>Rubus phoenicolasius</i> Berry and plant

Rubus phoenicolasius is an Asian species of raspberry in the rose family, native to China, Japan, and Korea.

<i>Rubus strigosus</i> Species of vine

Rubus strigosus, the American red raspberry or American raspberry, is a species of Rubus native to much of North America. It was often treated as a variety or subspecies of the closely related Eurasian Rubus idaeus, but is now more commonly treated as a distinct species. Many of the commercial raspberry cultivars grown for their fruit derive from hybrids between R. strigosus and R. idaeus; see Raspberry for more details.

<i>Rubus ursinus</i> Berry and plant

Rubus ursinus is a North American species of blackberry or dewberry, known by the common names California blackberry, California dewberry, Douglas berry, Pacific blackberry, Pacific dewberry and trailing blackberry.

<i>Rubus parvifolius</i> Species of flowering plant

Rubus parvifolius, called Japanese bramble, or Australian raspberry in the United States or native raspberry in Australia is a species of plant in the rose family. It is a scrambling shrub native to eastern Asia and Australia. It has also become naturalized in a few scattered locations in the United States.

<i>Rubus pubescens</i> Berry and plant

Rubus pubescens is a herbaceous perennial widespread across much of Canada and the northern United States, from Alaska to Newfoundland, south as far as Oregon, Colorado, and West Virginia.

<i>Coptotriche marginea</i> Species of moth

Coptotriche marginea is a moth of the family Tischeriidae, found in most of Europe. It was named by the English botanist, carcinologist and entomologist, Adrian Hardy Haworth in 1828, from a specimen found in England. The larvae mine the leaves of brambles (Rubus) species.

Rubus aculifer, the thorny dewberry, is a rare North American species of flowering plant in the rose family.

Rubus biformispinus, the pasture dewberry, is an uncommon North American species of flowering plant in the rose family. It is found in eastern and central Canada and the northeastern United States.

Rubus boyntonii, also called Boynton's dewberry, is a rare North American species of flowering plant in the rose family. It has been found only in the States of Virginia and North Carolina in the east-central United States.

<i>Rubus tricolor</i> Species of evergreen prostrate shrub native to southwestern China

Rubus tricolor is an evergreen prostrate shrub, native to southwestern China. Leaves are dark green above, pale green below, and stems have red bristles. It has white flowers in summer and edible red fruit. It grows approximately 0.3 m (0.98 ft) high and usually forming a vigorously spreading, dense mat. In cultivation, it is mainly used as groundcover. Common names include Chinese bramble, groundcover bramble, creeping bramble, Korean raspberry, Himalayan bramble, and groundcover raspberry. In Chinese, it is called 三色莓.

<i>Diastrophus rubi</i> Species of wasp

Diastrophus rubi is a species of gall wasp in the family Cynipidae that live on the stems of bramble. The insect was first described by the German entomologist Peter Friedrich Bouché in 1834 and is found in Europe.

<i>Lasioptera rubi</i> Species of fly

Lasioptera rubi is a species of gall midge in the family Cecidomyiidae and is found in Europe. It was first described in 1803 by the German priest, botanist and entomologist, Franz von Paula Schrank. The larvae feed within the tissue of brambles, creating abnormal plant growths known as galls.

Dasineura plicatrix is a species of gall midge, an insect in the family Cecidomyiidae, found in Europe. It was described by the German entomologist Friedrich Hermann Loew in 1850. The larvae feed within the tissue of bramble leaves, creating an abnormal growth known as a plant gall.

References

  1. The Plant List, Rubus caesius L.
  2. USDA, NRCS (n.d.). "Rubus caesius". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 24 October 2015.
  3. 1 2 3 "Rubus caesius (Dewberry)". Online Atlas of the British & Irish Flora. Biological Records Centre. Retrieved 9 August 2013.
  4. "PLANTS profile for Rubus caesius (European dewberry)". USDA. Retrieved 9 August 2013.
  5. Flora of China, Rubus caesius Linnaeus, 1753. 欧洲木莓 ou zhou mu mei
  6. 1 2 Flora of North America, Rubus caesius Linnaeus, Sp. Pl. 1: 493. 1753. European dewberry
  7. Altervista Flora Italiana, Rubus caesius L. includes photos and European distribution map
  8. "Dewberry: Rubus caesius". NatureGate. Retrieved 29 December 2013.
  9. "Occurrence of European Dewberry, Rubus caesius (Rosaceae), Naturalized in Iowa and Michigan". Michigan Botanist. Retrieved 9 August 2013.
  10. Darrow, G.M. (1955). "Blackberry—raspberry hybrids". Journal of Heredity. 46 (2): 67–71. doi:10.1093/oxfordjournals.jhered.a106521.
  11. 1 2 3 Huang, Ti-Ran; Chen, Jian-Hui; Hummer, Kim E.; Alice, Lawrence A.; Wang, Wen-He; He, Yi; Yu, Sheng-Xiang; Yang, Ming-Feng; Chai, Tuan-Yao; Zhu, Xiang-Yun; Ma, Lan-Qing; Wang, Hong (2023). "Phylogeny of Rubus (Rosaceae): Integrating molecular and morphological evidence into an infrageneric revision". 72 (2): 278–306. doi: 10.1002/tax.12885 .{{cite journal}}: Cite journal requires |journal= (help)
  12. illustration from Prof. Dr. Otto Wilhelm Thomé, Flora von Deutschland, Österreich und der Schweiz 1885, Gera, Germany