Ribes ussuriense
{{Short description|Species of fruit and plant}}
{{use dmy dates|date=March 2025}}
{{Speciesbox
| image = Ribes ussuriense 2019-04-16 0452.jpg
| image_caption = (Berlin-Dahlem Botanical Garden)
| status =
| status_system =
| status_ref =
| genus = Ribes
| species = ussuriense
| authority = Jancz.
}}
Ribes ussuriense (common name - Korean black currant) is an Asian species of Ribes (currant), first described in 1906 by Edward Janczewski{{Cite web |title=Ribes ussuriense Jancz. {{!}} Plants of the World Online {{!}} Kew Science |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:793050-1 |access-date=22 March 2025 |website=Plants of the World Online |language=en}}{{cite journal|author=Janczewski, E. |date=1906|journal= Bulletin international de l'Académie des sciences de Cracovie, Cl. Sci. Math.|volume= 6|pages=12|url=https://www.biodiversitylibrary.org/page/14710784 |title=Seance du lundi 8 Janvier 1906|language=fr}} (in 1904 the name alone was published){{Cite web |title=Ribes ussuriense {{!}} International Plant Names Index |url=https://www.ipni.org/n/793049-1 |access-date=22 March 2025 |website=www.ipni.org}}de Vilmorin, M.L. & Bois, D. (1904) [https://bibdigital.rjb.csic.es/viewer/12503/?offset=#page=156&viewer=picture&o=bookmark&n=0&q= Fruticetum Vilmorinianum l. 138] The species epithet, ussuriense, means that the species comes from Ussuri.
It is considered to be a synonym of Ribes procumbens by Plants of the World Online, which follows Chang, Kim & Chang (2014, 2021).Chang, C.-S., Kim, H. & Chang, K.S. (2021). Checklist of Far East Asian Vascular Flora 2: 627-1887. EABCN, Seoul.Chang, C.S., Kim, H. & Chang, K.S. (2014). Provisional checklist of vascular plants for the Korea peninsula flora (KPF): 1-660. DESIGNPOST. However, it is considered to be a separate species by Russian authorities,Kozhevnikov, A.E., Kozhevnikov, Z.V., Kwak, M. & Lee, B.Y. (2019). Illustrated flora of the Primorsky Territory, Russian Far East: 1-1124. National institute of biological resources and by the Korean National Species List (국가종목록).
Description
It is a deciduous shrub growing to heights of about 1 m. its branches are green and covered with short hairs and glandular dots. The leaves are opposite, the petioles are 3–7 cm long and also have short hairs and glandular dots. The leaf blade is round, 4–8 cm long, 4–10 cm wide, and shallowly divided into 3–5 lobes. The leaf base is heart-shaped, and its margins are coarsely serrated. The veins on the front and back of the leaf have short hairs and glandular dots. The flowers occur in groups of 5–9 in short racemes from the ends of branches and leaf axils. The flower stalks are 3–5 mm long and have fine hairs. The light-yellow petals are ovate-lanceolate.{{Cite web |title=국립생물자원관 한반도의 생물다양성 (NIBR: Details - Ribes ussuriense Jancz.) |url=https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&pageMode=view&ktsn=120000061573 |access-date=22 March 2025 |website=species.nibr.go.kr}}
Phenology
In Korea, it flowers in June, with its round berries ripening to black in August. The berries are edible.
Distribution
It is native to the north of Korea (where it grows on highland plains) and to Sakhalin and Ussuri in Russia.