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Sierra Springbeauty

Claytonia nevadensis S. Wats.

Description

provided by eFloras
Plants perennial, rhizomatous; rhizome 4-8 mm diam.; periderm 5-15 mm. Stems 3-10 cm. Leaves: basal leaves sessile, blade spatulate to rhombic or ovate, 2-10 × 0.2-3 cm; cauline leaves sessile, blade ovate, 0.5-2 × 0.2-0.5 cm. Inflorescences ebracteate. Flowers 12-16 mm diam.; sepals 2-3 mm; petals pink to magenta, 8-12 mm; ovules 6. Seeds (1-)6, 2-3 mm, shiny and smooth; elaiosome 1 mm or less. 2n = 14.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 467, 470 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Distribution

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Calif., Nev., Oreg.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 467, 470 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Flowering/Fruiting

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Flowering May-Aug.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 467, 470 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Habitat

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Mountain fell-fields; 2000-3500m.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 467, 470 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Synonym

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Montia nevadensis (S. Watson) Jepson
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 4: 467, 470 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
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eFloras.org
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Comprehensive Description

provided by North American Flora
Claytonia nevadensis S. Wats.; Brewer & Wats. Bot. Calif. 1:
77. 1876.
Claytonia chenopodina Greene, Leaflets 2: 271. 1912.
Perennial, with a cespitose rootstock; stems above ground 4-6 cm. high; basal leaves many, long-petioled, the petioles 3-6 cm. long, the blades suborbicular or broadly spatulate, 1-2.5 cm. long, 1-2 cm. wide, fleshy, rounded at the apex; stem-leaves subopposite, oblongobovate, 6-16 mm. long, sessile; inflorescence short-corymbiform or short-racemose, 2-5 flowered, sometimes with a small oblong bract below; sepals broadly ovate, 6-7 mm. long, acute; petals broadly spatulate, about S mm. long, with a narrow claw; seeds black, smooth and shining, 2 mm. long.
Type locality Northern Sierra Nevada side of Mount Dana). California. Distribution: Sierra Nevada, California.
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bibliographic citation
Percy Wilson, Per Axel Rydberg. 1932. CHENOPODIALES. North American flora. vol 21(4). New York Botanical Garden, New York, NY
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Claytonia nevadensis

provided by wikipedia EN

Claytonia nevadensis, known by the common names Sierra springbeauty and Sierra Nevada claytonia, is a species of wildflower in the family Montiaceae. The evolutionary relationship of Claytonia nevadensis to other claytonias is a subject of debate and ongoing genetic studies. Sierra springbeauties are diploid with a chromosome base number of x = 7[1][2][3]

Distribution

The wildflower is endemic to northern California and south-central [Oregon].[4][5]

It is native to the Sierra Nevada as far south as Farewell Gap; and is indigenous to the Sweetwater Range, Trinity Mountains, Inner Klamath Range, southern Cascade Range, and NE to Steens Mountain of the Harney Basin Region of Oregon.[2] It grows in subalpine habitats such as scree and gravelly snowmelt stream banks.

Description

Claytonia nevadensis is a perennial herb growing from a network of fleshy rhizomes with a small horizontal caudex at ground level. It takes the form of a leafy clump with a stem no longer than about 10 centimeters.[2]

The thick red-green leaves are oval to spade-shaped and a few centimeters long, not counting the longer petiole of the most basal leaves.[2]

The inflorescence is a dense cluster of 2 to 8 flowers which nests in the clump of leaves or arises on a very short stalk. Each flower has five magenta to pink-tinted white petals up to a centimeter long. The bloom period is July to September.[2]

References

  1. ^ Miller, J. M. and K. L. Chambers. 2006. Systematics of Claytonia (Portulacaceae). Systematic Botany Monographs 78: 1-236. ISBN 0-912861-78-9
  2. ^ a b c d e Jepson eFlora: Claytonia nevadensis
  3. ^ Flora of North America
  4. ^ Calflora: Claytonia nevadensis
  5. ^ Chambers, K. L. 1963. Claytonia nevadensis in Oregon. Leaflets Western Botany 10: 1-8.

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Claytonia nevadensis: Brief Summary

provided by wikipedia EN

Claytonia nevadensis, known by the common names Sierra springbeauty and Sierra Nevada claytonia, is a species of wildflower in the family Montiaceae. The evolutionary relationship of Claytonia nevadensis to other claytonias is a subject of debate and ongoing genetic studies. Sierra springbeauties are diploid with a chromosome base number of x = 7

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