Rumex crispus




Family Polygonaceae
Subfamily Polygonoideae
Scientific name Rumex crispus L.
Synonyms Lapathum crispum (L.) Scopoli; Rumex coreanus Nakai; Rumex crispus L. var. mexicanus M. Martens & Galeotti; Rumex elongatus Gussone; Rumex patientia L. var. crispus (Linnaeus) Kuntze
Common name (Japanese common name) nagaba-gishigishi (ナガバギシギシ, 長葉羊蹄 [meaning: long leaved gishigishi (gishigishi = Rumex japonicus)])
(English common name) curly dock, sour dock, yellow dock
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa
(Other nations) [native] Eurasia (worldwidw naturalaized)
Habitat Roadside, field, forest edge
Chromosomal number (female) 2n=60
Description Plants 80-150cm tall. Leaves 10-30cm long, 3-8cm wide. Flowers green perianths ca. 4-5mm long, flowering in April to August. Perennial plants.
Reference Rumex crispus L.
Rumex crispus L.
Note Naturalized plants (first recorded in 1981). There are many types of natural hybrid of Rumex japonicus and Rumex crispus.



May 2007
at lowland forest edge
May 2007
at lowland forest edge
May 2007
at lowland forest edge



May 2007
at lowland forest edge



May 2007
at lowland forest edge
May 2007
at lowland forest edge
May 2007
at lowland forest edge