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Epilobium brachycarpum C. Presl

Tall willowherb, tall annual willowherb, panicled willowherb, tall fireweed

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderMyrtalesIncludes myrtles, leadwoods, loosestrifes, pomegranates, evening primroses, many others
FamilyOnagraceaeWillowherb/evening primrose family
GenusEpilobiumFrom Greek epi, “upon,” and lobos, “a pod or capsule,” because the flower is attached directly to the ovary
Speciesbrachycarpum“Having short fruit”

About plant names...

Tall willowherb is native to North America, found in much of Canada and in the western United States.

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:

CalPhotos

Wildflowers in Santa Barbara

Forestry Images

The Jepson Manual

Epilobium paniculatum Nutt. ex Torr. & A. Gray

Epilobium paniculatum Nutt. ex Torr. & A. Gray var. hammondii (Howell) M. Peck

Epilobium paniculatum Nutt. ex Torr. & A. Gray var. juncundum (A. Gray) Trel.

Epilobium paniculatum Nutt. ex Torr. & A. Gray var. laevicaule (Rydb.) Munz

Epilobium paniculatum Nutt. ex Torr. & A. Gray var. paniculatum

Epilobium paniculatum Nutt. ex Torr. & A. Gray var. subulatum (Hausskn.) Fernald

Epilobium paniculatum Nutt. ex Torr. & A. Gray var. tracyi (Rydb.) Munz

 

Epilobium brachycarpum description by Thomas H. Kent, last updated 25 May 2020.

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Epilobium brachycarpum (tall willowherb, tall annual willowherb, panicled willowherb, tall fireweed)

8/29/2007 · Klamath Marsh/Wocus Bay, Ore­gon ID is uncertain

Range:

About this map...