Persicaria orientalis




Family Polygonaceae
Subfamily Polygonoideae
Scientific name Persicaria orientalis (L.) Spach
Synonyms Amblyogonum orientale (L.) Nakai; Amblygonum pilosum (Meisner) Nakai; Lagunea cochinchinensis Loureiro; Persicaria pilosum Roxburgh; Persicaria tibetica Rendle; Polygonum altissimum Moench; Polygonum amoenum Blume; Polygonum cochinchinense (Loureiro) Meisner; Polygonum deasyi Rendle; Polygonum orientale L.; Polygonum orientale L. var. pilosum Meisner; Polygonum pilosum Roxburgh; Polygonum spaethii Dammer; Polygonum speciosum Salisbury; Polygonum subcordatum Miquel; Polygonum tibeticum Rendle; Polygonum torquatum de Bruyn
Common name (Japanese common name) oh-ke-tade (オオケタデ, 大毛蓼 [meaning: large shaggy tade (tade = Polygonaceae plants)]), oh-beni-tade (オオベニタデ, 大紅蓼 [meaning: large red tade])
(English common name) kiss me over the garden gate, prince's feather, princess feather
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa
(Other nations) [native] Tropic Asia
Habitat Roadseide, field, riverside
Chromosomal number 2n=22
Description Plants 1.5-1.8m tall. Leaves 10-25cm long, 5-15cm wide. Flowers inflorescences 2-8cm long, red or purple (merely white) perianths ca. 3-5mm long, flowering in August to November. Fruits 2.5-3mm long. Annual plants.
Reference Persicaria orientalis (L.) Spach
Persicaria orientalis (L.) Spach
Polygonum orientale L.
Polygonum orientale L.
Note Naturalized plants (introduced in Edo era).



September 2006
at lowland field
September 2006
at lowland field
September 2006
at lowland field



September 2007
at lowland field
September 2007
at lowland field