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Epilobium densiflorum
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Denseflower Willowherb
( Epilobium densiflorum )
Epilobium densiflorum
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Denseflower Willowherb (Epilobium densiflorum)
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Epilobium densiflorum
is a species of willowherb known by the common names denseflower willowherb, dense spike-primrose or dense boisduvalia. It is native to western North America from British Columbia to Baja California, where it is found in a variety of habitats. This is an erect annual often exceeding a meter in height with fuzzy green foliage. The pointed leaves are up to 8 centimeters long near the base of the plant, and the upper leaves are generally more hairy than the lower. The stem may branch or not. The top of the stem is occupied by a hairy, leafy, densely flowered inflorescence. Each flower has four deeply notched petals in shades of pinkish purple to nearly white with dark veining, each about a centimeter long. The fruit is a cylindrical capsule about a centimeter long.
Plant Description
Plant Type
Annual herb
Size
0.16 - 3.3 ft tall
Flower Color
Pink, White, Purple
Wildlife Supported
Butterflies & moths hosted ( 15
likely
* )
SHOW ALL
*
White-lined Sphinx
Hyles lineata
Hyles lineata
*
Black-Banded Carpet
Antepirrhoe semiatrata
Antepirrhoe semiatrata
*
Elegant Aristotelia Moth
Aristotelia elegantella
Aristotelia elegantella
*
Yellow-Banded Day Sphinx
Proserpinus flavofasciata
Proserpinus flavofasciata
*
Ornate Moth
Utetheisa ornatrix
Utetheisa ornatrix
*
Clark's Day Sphinx Moth
Proserpinus clarkiae
Proserpinus clarkiae
*
Double-Banded Carpet
Spargania magnoliata
Spargania magnoliata
Landscaping Information
Common uses
Bird Gardens, Hummingbird Gardens
Natural Setting
Climate
Annual Precipitation: 5.8" - 94.1", Summer Precipitation: 0.14" - 2.99", Coldest Month: 27.1" - 55.9", Hottest Month: 49.6" - 80.5", Humidity: 0.09" - 29.19", Elevation: -180" - 8573"
Alternative Names
Common Names
: Dense Boisduvalia, Dense Spike-primrose, Denseflower Spike Primrose
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Denseflower Willowherb
Epilobium densiflorum
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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