| Family |
Polygonaceae |
| Subfamily |
Polygonoideae |
| Scientific name |
Persicaria longiseta (De Bruijn) Kitagawa |
| Synonyms |
Persicaria blumei (Meisner ex Miquel) H. Gross; Persicaria buisanensis
(Ohki) Sasaki; Persicaria caespitosa (Blume) Nakai var. longiseta (De Bruijn)
C. F. Reed; Persicaria gentiliana H. Léveillé; Persicaria longiseta (De
Bruijn) Kitagawa; Persicaria manshuricola Kitagawa; Persicaria roseoviridis
Kitagawa; Polygonum blumei (Meisner ex Miquel) H. Gross; Polygonum buisanense
Ohki; Polygonum caespitosum Blume var. longisetum (Bruijn) Steward; Polygonum
donii Meisner var. longisetum (Bruijn) Miquel; Polygonum gentilianum (H.
Léveillé) H. Léveillé; Polygonum interruptum Bunge; Polygonum kinashii
H. Léveillé & Vaniot; Polygonum longisetum De Bruijn; Polygonum caespitosum
Blume var. longisetum (de Bruijn) A.N. Steward; Polygonum posumbu Buchanan-Hamilton
ex D. Don var. blumei (Meisner) Herder; Polygonum roseoviride (Kitagawa)
S. X. Li & Y. L. Chang; Polygonum roseoviride (Kitagawa) S. X. Li &
Y. L. Chang var. manshuricola (Kitagawa) C. F. Fang |
| Common name |
(Japanese common name) inu tade (イヌタデ, 犬蓼 [meaning: false tade (tade =
Polygonaceae plants)]) |
| (English common name) Oriental ladysthumb, bristly lady's-thumb |
| Distribution |
(Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Taiwan, Mongolia, Philippines, Malaysia,
Indonesia, Myanmar, Nepal, India |
| Habitat |
Roadside, field, rice paddy |
| Chromosomal number |
2n=40 |
| Description |
Plants electing 20-50cm tall. Leaves 3-8cm long. Flowers inflorescences
1-5cm long, pink perianths ca. 1.5-2mm long, flowering in June to October.
Annual plants. |
| Reference |
Persicaria longiseta (Bruijn) Kitag. |
| Polygonum longisetum var. longisetum |
| Polygonum caespitosum Blume var. longisetum (Bruijn) Steward |
| Pyridine-2-thio, -2-sulfinyl, and -2-sulfonyl sulfonanilide compounds useful as a herbicidal component (US Patent 4218237/1980) |
| Urea compounds and herbicidal compositions containing them (US Patent 4465509/1984) |
| Heterocyclic compounds and herbicidal compositions containing the compounds as effective components (US Patent 5090994/1992) |
| 4,5-disubstituted pyrimidine derivatives and herbicides (US Patent 1998) |
| Pyrimidine derivatives, herbicides and plant growth regulators (US Patent 5773388/1998) |
| Note |
Posumbu knotweed is a common name in English for some Polygonaceae species. Posumbu knotweed is not a synonym of Persicaria posumbu (Buchanan-Hamilton ex D. Don) H. Gross. In many cases, Posumbu knotweed means Persicaria longiseta (De Bruijn) Kitagawa (syn. Polygonum blumei (Meisner ex Miquel) H. Gross). Due to this, legal validity of any patent
which use the name of Posumbu knotweed without any correct scientific name may be debatable and doubtful. |
