Epilobium brachycarpum C. Presl
Tall willowherb, tall annual willowherb, panicled willowherb, tall fireweed
Kingdom Plantae Plants, but not fungi, lichens, or algae
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”
About plant names...
Tall willowherb is native to North America, found in much of Canada and in the western
Identification: Plants are up to 6′ (1.8 m) in height. Leaves are
up to 2½″ (6.3 cm) long, narrow like grass blades, though somewhat wider in the middle, and often
curving. Flowers are
about 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. Seeds are suspended from white, fluffy parachutes. Online References:
Wildflowers in Santa Barbara
The Jepson Manual Older scientific or horticultural names
Nutt. ex Torr. & A. Gray
Nutt. ex Torr. & A. Gray var. hammondii (Howell) M. Peck
Nutt. ex Torr. & A. Gray var. juncundum (A. Gray) Trel.
Nutt. ex Torr. & A. Gray var. laevicaule (Rydb.) Munz
Nutt. ex Torr. & A. Gray var. paniculatum
Nutt. ex Torr. & A. Gray var. subulatum (Hausskn.) Fernald
Nutt. ex Torr. & A. Gray var. tracyi (Rydb.) Munz
Epilobium brachycarpum description by Thomas H. Kent, last updated 25 May 2020.
© FloraFinder.org. All rights reserved.
8/29/2007 · Klamath Marsh/Wocus Bay, Oregon
ID is uncertain
About this map...