| Epilobium torreyi | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta |
| Class: | Magnoliopsida |
| Order: | Myrtales |
| Family: | Onagraceae |
| Genus: | Epilobium |
| Species: | E. torreyi |
| Binomial name | |
| Epilobium torreyi (S.Wats.) Hoch & P.H.Raven |
|
| Synonyms | |
|
Boisduvalia stricta |
|
Epilobium torreyi is a species of flowering plant in the evening primrose family known by the common names Torrey's Willowherb and Brook Spike-primrose. It is native to western North America from British Columbia to California, where it grows in many types of habitat, often in moist areas. It is a hairy annual herb producing a narrow, upright stem often exceeding half a meter tall lined with narrow lance-shaped leaves. The hairy, glandular inflorescence bears tiny white or pink flowers. They are usually cleistogamous, remaining closed and self-pollinating. The fruit is a capsule up to about a centimeter long.