Epilobium brachycarpum C. Presl
Tall willowherb, tall annual willowherb, panicled willowherb, tall fireweed
Tall willowherb is native to North America, found in much of Canada and in the western United States.
Plants: Up to 6′ (1.8 m) in height.
Leaves: Up to 2½″ (6.3 cm) long, narrow like grass blades, though somewhat wider in the middle, and often curving.
Flowers: bout ⅜″ (9.5 mm) across, white to pink or purple. Flowers have four petals, but they usually look as if they have eight, because each petal is deeply notched.
Fruits: Seeds are suspended from white, fluffy parachutes.
Habitats: Yellow pine, red fir, lodgepole, or subalpine forests; foothill woodland, chaparral, valley grassland, many plant communities; below 1.4 mi (2.3 km).
Online References:
8/29/2007 · Klamath Marsh/Wocus Bay, Oregon 
ID is uncertain 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Rosidae | Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more |
| Order | Myrtales | Includes myrtles, leadwoods, loosestrifes, pomegranates, evening primroses, many others |
| Family | Onagraceae | Willowherb/evening primrose family |
| Genus | Epilobium | From Greek epi, “upon,” and lobos, “a pod or capsule,” because the flower is attached directly to the ovary |
| Species | brachycarpum | “Having short fruit” |
Epilobium brachycarpum description by Thomas H. Kent, not updated.
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