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Roundleaf Alumroot

Heuchera cylindrica Dougl.

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Comprehensive Description

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Heuchera cylindrica Dougl.; Hook. FL Bor. Am. 1 : 236. 1832
Yamala cylindrica Raf. Fl. Tell. 2 : 75. 1836.
Holcchloa elaia Nutt. T. & G. Fl. N. Am. 1 : 580, as a synonym. 1840.
Holochloa cylindrica Nutt. loc. cit.
Acaulescent ; flowering branches scapiform, naked or with minute bracts, villous with long (in age brown) hairs, 5-7 dm. high; petioles 1-2 dm. long, also villous; blades reniform or rounded-cordate, 5-8 cm. wide, round-lobed and with ovate cuspidate teeth ; inflorescence 0.5-1 dm. long, dense; hypanthium greenish, deeply campanulate, oblique, hirsute and glandular, together with the oblong sepals 7-8 mm. or in fruit over 1 cm. long ; petals minute or usually lacking.
Type locality : On the declivities of low hills and on the steep banks of streams on the west
side of the Rocky Mountains.
Distribution : Low ground and river banks, British Columbia to Oregon and Idaho.
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bibliographic citation
John Kunkel SmaII, Per Axel Rydber, Nathaniel Lord Britton, Percy Wilson, Henry Hurd Rusby. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(2). New York Botanical Garden, New York, NY
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Comprehensive Description

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Heuchera cylindrica
Substitute for this the name: Heuchera chlorantha Piper, Contr. U. S. Nat. Herb. 16: 206. 1913. Transfer the synonyms to no. 66 on the following page. Type locality: Falcon valley, Klickitat County, Washington.
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Per Axel Rydberg. 1918. ROSACEAE (conclusio). North American flora. vol 22(6). New York Botanical Garden, New York, NY
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Comprehensive Description

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Heuchera suksdorfii Rydb. sp. nov
Acaulescent, related to H. ovalifolia and H. glabella ; flowering branches 2-3 dm. high, glandularpubescent with short hairs, scapiform, with usually 1 or 2 scales; leaf-blades also pubescent, 5 cm. long or less ; blades thick, dark-green, about 2 cm. wide, finely glandularpubescent, deeply 5-7-lobed ; teeth broadly ovate, bristlepointed ; inflorescence short, 2-4 cm. long, dense ; hypanthium yellowish, glandular-puberulent, together wdth the oblong sepals about 8 mm. long ; petals minute, oblanceolate or none.
Type collected in crevices of rocks, Falcon Valley, June 28, 1882, by W. N. Suksdorf (Columbia University Herbarium).
Distribution : In the Cascade Mountains of Washington and Oregon.
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bibliographic citation
John Kunkel SmaII, Per Axel Rydber, Nathaniel Lord Britton, Percy Wilson, Henry Hurd Rusby. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(2). New York Botanical Garden, New York, NY
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Heuchera cylindrica

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Heuchera cylindrica is a species of perennial flowering plant in the saxifrage family known by the common names poker alumroot, roundleaf alumroot, and coral bells. It is native to western North America, where it is found from British Columbia to California, and east to Wyoming and Montana.[2]

Description

A saxifrage with basal, oval to round leaves. these are often lobed or toothed. Flowers are in a spike on an erect leafless stem which can reach up to 35 inches in height.[3] Flowers are bell-shaped and can be pale yellow, cream, green or pink.[4]

Distribution and habitat

Heuchera cylindrica is native to rocky areas in the woods, cliff-side ledges, slopes and sub-alpine meadows in the Pacific Northwest. It prefers soil rich in humus, that receives plenty of moisture, but is well drained. It can thrive in sunny or partly shady habitats.[5] The species is widespread[3] and locally common, so it is considered ecologically secure.

References

  1. ^ "Heuchera Cylindrica". NatureServe Explorer. NatureServe. Retrieved 2018-04-01.
  2. ^ "Plants Profile for Heuchera cylindrica (roundleaf alumroot)". plants.usda.gov. Retrieved 2018-04-13.
  3. ^ a b Taylor, Ronald J. (1994) [1992]. Sagebrush Country: A Wildflower Sanctuary (rev. ed.). Missoula, MT: Mountain Press Pub. Co. p. 130. ISBN 0-87842-280-3. OCLC 25708726.
  4. ^ "Heuchera cylindrica | roundleaf alumroot | Wildflowers of the Pacific Northwest". www.pnwflowers.com. Retrieved 2018-04-13.
  5. ^ "Heuchera cylindrica - Plant Finder". www.missouribotanicalgarden.org. Retrieved 2018-04-13.
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Heuchera cylindrica: Brief Summary

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Heuchera cylindrica is a species of perennial flowering plant in the saxifrage family known by the common names poker alumroot, roundleaf alumroot, and coral bells. It is native to western North America, where it is found from British Columbia to California, and east to Wyoming and Montana.

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