| Family | Onagraceae |
| Tribe | Onagreae |
| Scientific name | Gaura parviflora Douglas ex Lehmann |
| Synonyms | Gaura australis Grisebach; Gaura micrantha D. Dietrich; Gaura mollis James; Gaura mollis Nuttall ex Torrey; Gaura parviflora Douglas ex Lehmann forma glabra Munz; Gaura parviflora Douglas ex Lehmann forma lachnocarpa Weatherby; Gaura parviflora Douglas ex Lehmann var. lachnocarpa Weatherby; Gaura parviflora Douglas ex Lehmann var. typica Munz; Oenothera curtiflora W. L. Wagner & Hoch; Schizocarya micrantha Spach |
| Common name | (Japanese common name) inu-yamamomo-sou (イヌヤマモモソウ, 犬山桃草 [meaning: false yamamomo-sou (yamamomo-sou = Gaura lindheimeri Engelmann & A. Gray)]), kobana-yamamomo-sou (コバナヤマモモソウ, 小花山桃草 [meaning: tiny flower yamamomo-sou]) |
| (English common name) lizard-tail, small-flowered gaura, velvet-leaf gaura, velvety gaura, willow-gaura | |
| Distribution | (Japan) Honshu (west of Kanto region), Kyushu, Okinawa |
| (Other nations) [native] USA, Mexico | |
| Habitat | Field |
| Chromosomal number | 2n=14 |
| Description | Plants electing ca. 30-200cm tall. Leaves 2-12.5cm long, 0.5-4cm wide. Flowers pale purple ca. 2.5-4mm long, inflorescences 10-40cm long, flowering in April to September. Annual plants. |
| Reference | Gaura parviflora Douglas ex Lehm. |
| Gaura parviflora Douglas ex Lehmann | |
| Gaura parviflora Douglas ex Lehm. | |
| Methods of creating dwarf phenotypes in plants (US Patent 20020194646) | |
| Attractants for moths (US Patent 20050042316) | |
| Note | Naturalized plants (first collected at Tokyo in 1972). |
| July 2008 at Manzamou Point in Okinawa |
July 2008 at Manzamou Point in Okinawa |
July 2008 at Manzamou Point in Okinawa |
| July 2008 at Manzamou Point in Okinawa |
July 2008 at Manzamou Point in Okinawa |