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Sedum douglasii

Comprehensive Description

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Sedum douglasii Hook. Fl. Bor. Am. 1 : 228. 1832
Sedum uniflorum Howell, Fl. N. W. Am. 213. 1898. Not S, unifiorum H. & A.
Perennial by a branching rootstock ; stems erect or ascending, simple, or branched near the base, 1-2.5 dm. high. Leaves linear-lanceolate to narrowly lanceolate, acuminate, sessile, glabrous, 10-25 mm. long, fiat above, usually with short leafy shoots in the axils; cyme usually several-forked, sometimes 6 cm. broad, sometimes reduced to a single flower; flowers short-pedicelled or subsessile ; calyx -segments triangular-ovate to triangular-lanceolate, acuminate, much shorter than the petals ; petals 6-12 mm. long, yellow, lanceolate, acuminate, longer than the stamens; follicles 2>- mm. long, widely divergent from the slightly united bases.
Type locality : Rocky places of the Columbia River to the mountains. Distribution : Montana to British Columbia, Idaho and California.
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bibliographic citation
John Kunkel SmaII, George Valentine Nash, Nathaniel Lord Britton, Joseph Nelson Rose, Per Axel Rydber. 1905. ROSALES, PODOSTEMONACEAE, CRASSULACEAE, PENTHORACEAE and PARNASSIACEAE. North American flora. vol 22(1). New York Botanical Garden, New York, NY
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North American Flora

Comprehensive Description

provided by North American Flora
Sedum douglasii
Add the synonyms: Sedum Douglasii uniflorum M. E. Jones, Bull. Univ. Mont. 61: 30. 1910. ? Sedum Elrodi M. E. Jones, Bull. Univ. Mont. 61 : 30. pi. 4. 1910. Add: Illustration: Armstrong, Field Book W. Wild Fl. 193.
69. Insert:
40a. Sedum frutescens Rose, Contr. U. S. Nat. Herb. 13: 298. 1911.
Leaves linear, flattened, 2-6 cm. long, bright-green, acute, closely set upon the branches,
rounded and free at base; inflorescence a small, few-branched cyme; peduncle 1 cm. or
less long; branches 3-4 cm. long; petals white, 5-6 mm. long, acuminate; carpels widely
spreading.
Type locality: Above Cuernavaca, Morelos. Distribution: High mountains of the state of Morelos.
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cc-by-nc-sa-3.0
bibliographic citation
Per Axel Rydberg. 1918. ROSACEAE (conclusio). North American flora. vol 22(6). New York Botanical Garden, New York, NY
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