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Henrieville Woodyaster

Xylorhiza confertifolia (Cronq.) T. J. Watson

Comments

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Xylorhiza confertifolia is known form Garfield and Kane counties.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 406, 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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Description

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Subshrubs 10–15(–23) cm. Stems branched mostly in proximal 3 / 4 (leaves numerous, crowded, internodes averaging 2–3 mm), finely stipitate-glandular or nearly glabrous. Leaf blades linear, 1–2.5 mm wide, bases attenuate, not clasping, margins involute, entire, faces puberulent and/or minutely stipitate-glandular. Peduncles 2–14 cm. Involucres 8–12 × 10–16(–20) mm. Ray florets 4–14; corollas white. Style-branch appendages ± equal stigmatic lines. 2n = 12.
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: 406, 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 glabriuscula (Nuttall) Cronquist & D. D. Keck var. confertifolia Cronquist, Leafl. W. Bot. 10: 11. 1963; M. confertifolia (Cronquist) Cronquist
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: 406, 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 confertifolia

provided by wikipedia EN

Xylorhiza confertifolia, the Henrieville woody-aster, is a rare species of flowering plant in the family Asteraceae, known only from Garfield and Kane counties in southern Utah. The common name for the species refers to the Town of Henrieville, in Garfield County. It grows on barren alkaline slopes and in open pinyon-juniper woodlands at elevations of 1,400–2,300 m (4,600–7,500 ft).[3]

Xylorhiza confertifolia is a subshrub up to 20 cm (7.9 in) tall. Leaves are very narrow and linear, generally less than 2.5 mm (0.098 in) across. Flower heads are borne singly, with white ray and yellow disc flowers.[4][5][6]

References

  1. ^ Tropicos
  2. ^ The Plant List
  3. ^ Flora of North America v 20 p 408.
  4. ^ Cronquist, Arthur John. 1963. Two new varieties in Machaeranthera. Leaflets of Western Botany 10(1): 11–13..
  5. ^ Watson, Thomas J. Brittonia 29(2): 207. 1977.
  6. ^ Cronquist, Arthur John. Intermountain Flora 5: 274. 1994.
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Xylorhiza confertifolia: Brief Summary

provided by wikipedia EN

Xylorhiza confertifolia, the Henrieville woody-aster, is a rare species of flowering plant in the family Asteraceae, known only from Garfield and Kane counties in southern Utah. The common name for the species refers to the Town of Henrieville, in Garfield County. It grows on barren alkaline slopes and in open pinyon-juniper woodlands at elevations of 1,400–2,300 m (4,600–7,500 ft).

Xylorhiza confertifolia is a subshrub up to 20 cm (7.9 in) tall. Leaves are very narrow and linear, generally less than 2.5 mm (0.098 in) across. Flower heads are borne singly, with white ray and yellow disc flowers.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN