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Crepis acuminata
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Tapertip Hawksbeard
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Crepis acuminata
  

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About Tapertip Hawksbeard (Crepis acuminata) Crepis acuminata is a North American species of flowering plant in the daisy family known by the common name tapertip hawksbeard. It is native to the western United States where it grows in many types of open habitat. Crepis acuminata is a perennial herb producing a woolly, branching stem up to about 70 centimeters (28 inches) tall from a taproot. The gray-green leaves are long and cut into many triangular, pointed lobes. The longest, near the base of the plant, may reach 40 centimeters (16 inches) in length. The inflorescence is an open array of flower heads at the top of the stem branches. Each of the many flower heads is enveloped in smooth or hairy phyllaries. The flower head opens into a face of up to 10 yellow ray florets. There are no disc florets. The fruit is a narrow achene 7 or 8 millimeters long tipped with a pappus of white hairlike bristles.
Plant Description
Plant Type
Perennial herb

Max. Height
2.3 - 3 ft (0.7 - 0.9 m)

Form
Upright

Growth Rate
Moderate

Flower Color
Yellow

Flowering Season
Summer
Spring
Summer
Fall
Winter


Native Status
Native

Natural Setting
Elevation ?
1618' - 10765'

Annual Precip. ?
8.0" - 134.9"

Summer Precip. ?
0.47" - 4.74"

Coldest Month ?
22.4° F - 45.8° F

Hottest Month ?
42.8° F - 70.3° F

Humidity ?
0.37 vpd - 22.13 vpd

Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Landscaping Information
Nursery Availability
Never or Almost Never Available


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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