Kingdom:
Phylum:
Angiosperms
Order:
Rosales
Family:
Genus:
Species:
irasuensis
ID:
1019606

Status:
valid

Authors:
Liebm.

Source:
rjp

Year:
1853

Citation Micro:
Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn 1852: 160 (1853)

WFO Identifier:
wfo-0001018944

Common Names

  • Irasu Bramble
  • Irasu Blackberry
  • Rubus irasuensis

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Description

Rubus irasuensis (also called Irau Blackberry, among many other common names) is a deciduous shrub native to Japan. It has white flowers and edible black fruits. It grows in meadows, grasslands, and forest margins.

Uses & Benefits

Rubus irasuensis is used as an ornamental plant in gardens and parks. It is also used to make jams, jellies, and other preserves.

Flower, Seeds and Seedlings

The flower of Rubus irasuensis is white, with five petals and five sepals. The seed of Rubus irasuensis is a blackberry-like drupe, containing a single seed. The seedlings of Rubus irasuensis are small, with leaves that are deeply lobed and toothed.

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Cultivation and Propagation

Rubus irasuensis is a perennial shrub that can be grown from seed or cuttings. Seeds should be sown in late winter or early spring in a cold frame or greenhouse. Cuttings should be taken in late summer or early autumn and planted in a well-drained soil. The plant prefers full sun and moist, well-drained soil. It is hardy to USDA zone 4.

Where to Find Rubus irasuensis

Rubus irasuensis is native to Europe and can be found in woodlands, hedgerows, and scrub.

Species in the Rubus genus

Rubus orbifrons, Rubus anhaltianus, Rubus schiedeanus, Rubus neogardicus, Rubus multifidus, Rubus atrebatum, Rubus scabripes, Rubus incarnatus, Rubus microphyllus, Rubus praecox, Rubus procerus, Rubus roseus, Rubus floribundus, Rubus idaeifolius, Rubus newbridgensis, Rubus chevalieri, Rubus britannicus, Rubus leightonii, Rubus cordatifolius, Rubus cockburnianus, Rubus occidentalis, Rubus pervalidus, Rubus chaetophorus, Rubus rugosus, Rubus blepharoneurus, Rubus khasianus, Rubus annamensis, Rubus pascuorum, Rubus polyadenus, Rubus ischyracanthus, Rubus lanaticaulis, Rubus murrayi, Rubus exter, Rubus armeniacus, Rubus putneiensis, Rubus spadix, Rubus adspersus, Rubus babingtonianus, Rubus acclivitatus, Rubus altiarcuatus, Rubus franchetianus, Rubus infestisepalus, Rubus cantianus, Rubus aristisepalus, Rubus dentatifolius, Rubus naldretti, Rubus fuscoviridis, Rubus wedgwoodiae, Rubus cavatifolius, Rubus hesperius,

Species in the Rosaceae family

Acaena macrocephala, Acaena antarctica, Acaena argentea, Acaena boliviana, Acaena buchananii, Acaena echinata, Acaena agnipila, Acaena cylindristachya, Acaena confertissima, Acaena eupatoria, Acaena integerrima, Acaena leptacantha, Acaena ovina, Acaena magellanica, Acaena masafuerana, Acaena patagonica, Acaena tenera, Acaena platyacantha, Acaena pumila, Acaena splendens, Acaena stricta, Acaena stangii, Acaena trifida, Acaena pallida, Acaena caespitosa, Acaena saccaticupula, Acaena subincisa, Acaena hirsutula, Acaena fissistipula, Acaena glabra, Acaena tesca, Acaena juvenca, Acaena emittens, Acaena dumicola, Acaena profundeincisa, Acaena minor, Acaena alpina, Acaena montana, Acaena myriophylla, Acaena poeppigiana, Acaena anserovina, Acaena sericea, Acaena latebrosa, Acaena sarmentosa, Acaena elongata, Acaena exigua, Acaena rorida, Acaena novae-zelandiae, Acaena pinnatifida, Acaena inermis,

References

The Plant List v1.1 record rjp-98: Based on the initial data import
Frederik Liebmann (1813-1856): Based on occurrence of standard abbreviation 'Liebm.' in the authors string.