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Cronquist's Woodyaster

Xylorhiza cronquistii S. L. Welsh & N. D. Atwood

Comments

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Xylorhiza cronquistii grows in Kane County. S. L. Welsh et al. (2003) noted that it is "more or less intermediate in morphologic features between X. confertifolia and X. tortifolia var. imberbis; it occurs on habitats intermediate between the two parental types and is at the approximate summit of the distribution of the latter."
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 407, 408 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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Description

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Subshrubs, ca. 30 cm. Stems branched mostly in proximal 3 / 4 , sparsely villous and stipitate-glandular to subglabrous. Leaf blades linear-lanceolate to narrowly oblanceolate, 2.5–6 mm wide, bases attenuate, not clasping, margins flat, usually shallowly spinulose-toothed, sometimes entire, faces sparsely villous. Peduncles 5–10 cm. Involucres 10–12 × 13–18 mm. Ray florets 13–17; corollas white. Style-branch appendages ± equal or slightly shorter than stigmatic lines.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 407, 408 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

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Machaeranthera cronquistii (S. L. Welsh & N. D. Atwood) Cronquist
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copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 407, 408 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Xylorhiza cronquistii

provided by wikipedia EN

Xylorhiza cronquistii, common name Cronquist's woody-aster, is a plant species endemic to the Kaiparowits Plateau in Grand Staircase-Escalante National Monument in Kane County, Utah at elevations of 1900–2100 m.[1][2]

Xylorhiza cronquistii is a subshrub up to 30 cm tall. Leaves are narrowly lanceolate, sometimes with small spines along the margins. Flowers are borne in heads containing 13-17 white ray flowers plus some yellow disc flowers.[1][3]

References

  1. ^ a b Flora of North America v 20 p 408
  2. ^ USDA Plants Profile, Xylorhiza cronquistii
  3. ^ S. L. Welsh & N. D. Atwood, New taxa of western plants -- In tribute. Brittonia. 33: 294-303, fig. 8. 1981.
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Xylorhiza cronquistii: Brief Summary

provided by wikipedia EN

Xylorhiza cronquistii, common name Cronquist's woody-aster, is a plant species endemic to the Kaiparowits Plateau in Grand Staircase-Escalante National Monument in Kane County, Utah at elevations of 1900–2100 m.

Xylorhiza cronquistii is a subshrub up to 30 cm tall. Leaves are narrowly lanceolate, sometimes with small spines along the margins. Flowers are borne in heads containing 13-17 white ray flowers plus some yellow disc flowers.

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cc-by-sa-3.0
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Wikipedia authors and editors
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wikipedia EN