| Family | Rubiaceae |
| Scientific name | Neanotis hirsuta (L. f.) W. H. Lewis |
| Synonyms | Anotis hirsuta (L. f.) Boerlage; Hedyotis hirsuta (L. f.) Smith; Hedyotis lindleyana Hooker ex Wight & Arnott; Hedyotis lindleyana Hooker ex Wight & Arnott var. hirsuta (L. f.) H. Hara; Hedyotis stipulata R. Brown ex Hooker f.; Oldenlandia hirsuta L. f. |
| Common name | (Japanese common name) hashika gusa (ハシカグサ, 麻疹草 [meaning: measles weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku, Kyushu |
| (Other nations) Korea, China, Taiwan, Malaysia, Myanmar, Nepal | |
| Habitat | Forest edge, wet field |
| Chromosomal number | unknown |
| Description | Plants creeping 20-40cm tall. Leaves 2-4cm long, 1-2cm wide. Flowers white corollas 3-4mm long, flowering in August to October. Fruits 4mm long. Annual plants. |
| Note | common |
| September 2006 at rice paddy |
September 2006 at rice paddy |
September 2006 at rice paddy |