Rubus argutus

 

Botanical Name : Rubus argutus
Family: Rosaceae
Genus: Rubus
Species:R. argutus
Kingdom:Plantae
Order: Rosales

Common Names: Highbush Blackberry, Sawtooth blackberry or Tall blackberry

Habitat :Rubus argutus is native to Eastern N. America – Massachusetts to Virginia. It grows on dry or moist thickets and woodland margins.

Description:
Rubus argutus is a deciduous Shrub growing to 2.5 m (8ft 2in). It is an erect, arching, or trailing shrub in the Rose family (Rosaceae). Stems are usually erect to arching in open areas and arching to trailing or decumbent in shaded areas. Primocanes (first year stems) are angled, 1-3 m long. Prickles are hooked or straight, up to 8 mm long. Leaves are palmately compound, typically with 3, sometimes 5 leaflets. Leaflets are elliptic, oblong-oblanceolate, or ovate. Terminal leaflet is 8-13 cm long and 3-8 cm wide. Leaflets are hairless on upper surface with soft, long hairs on lower surface. Leaflet margin is coarsely toothed. Prickles and leaves on floricanes (second year stems) are similar to primocanes but smaller. Flowers are arranged in short racemes on pedicels 1.5-5.0 cm long. Petals are white, 13-20 mm long. Fruit is black when mature, adhering to receptacle.

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The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects.Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.
Cultivation:
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of the country. This species is cultivated for its edible fruit in N. America. The following notes are based on the general needs of the genus. Easily grown in a good well-drained loamy soil in sun or semi-shade. Plants in this genus are notably susceptible to honey fungus.
Propagation:
Seed – requires stratification and is best sown in early autumn in a cold frame. Stored seed requires one month stratification at about 3°c and is best sown as early as possible in the year. Prick out the seedlings when they are large enough to handle and grow on in a cold frame. Plant them out into their permanent positions in late spring of the following year. Cuttings of half-ripe wood, July/August in a frame. Tip layering in July. Plant out in autumn. Division in early spring or just before leaf-fall in the autumn.

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Edible Uses: …Fruit – raw or cooked. Variable in size and quality but generally with rather large and juicy drupelets. The pulpy fruit is up to 25mm long.
Medicinal Uses:

Antihaemorrhoidal; Antirheumatic; Astringent; Stimulant; Tonic.

The roots are antihaemorrhoidal, antirheumatic, astringent, stimulant and tonic. An infusion can be used in the treatment of venereal disease and as a wash in the treatment of piles. An infusion of the roots or leaves can be used in the treatment of diarrhoea and rheumatism.

Other Uses : Dye…..A purple to dull blue dye is obtained from the fruit.

Disclaimer : The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplement, it is always advisable to consult with your own health care provider.

Resources:
https://en.wikipedia.org/wiki/Rubus_argutus
http://www.pfaf.org/user/Plant.aspx?LatinName=Rubus+argutus

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