Compilation
Rhodiola rhodantha

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Name

Identification
Rhodiola rhodantha (A.Gray) H.Jacobsen [family CRASSULACEAE ] (stored under name); Sedum rhodanthum A.Gray [family CRASSULACEAE ]
Related name
  • Sedum rhodanthum
  • Rhodiola rhodantha
Common name
  • Red orpine, Flora of North America Vol. 8
  • rose crown, Flora of North America Vol. 8

Flora

Entry for Rhodiola rhodantha (A. Gray) H. Jacobsen [family CRASSULACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 8,
Names
Rhodiola rhodantha (A. Gray) H. Jacobsen [family CRASSULACEAE], Natl. Cact. Succ. J., 28: 5. 1973 ,
Sedum rhodanthum A. Gray [family CRASSULACEAE], Amer. J. Sci. Arts, ser., 2, 33: 405. 1862
Treatment Author(s)
Reid V. Moran
Information
Plants synoecious. Rootstock erect or decumbent, to 0.5–2 cm diam. Floral stems often persistent, 10–60 × 0.2–0.6 cm. Leaf blades green, not glaucous, linear-oblong to linear-oblanceolate, 1–4.5 × 0.2–0.7 cm, margins entire or few-toothed, apex mostly acute. Inflorescences spikelike or subcapitate, dense, to ca. 50-flowered, 1–3.5 cm diam. Pedicels mostly to 5 mm. Flowers bisexual, mostly 5–6-merous; sepals linear-lanceolate, 3–9 mm; petals nearly erect with tips outcurved, greenish or white to rose, linear-lanceolate to linear-oblanceolate, 6–13 mm, longer than stamens. Follicles 6–9 mm, beaks erect. Seeds short-tailed, oblong, 2 mm. 2n = 14.
Phenology
Flowering summer
Altitude range
2000–4200 m
Distribution
USA Ariz.USA Colo.USA Mont.USA N.Mex.USA UtahUSA Wyo.
Discussion
Rhodiola rhodantha is placed in subg. Clementsia; the only other species in this subgenus is R. semenovii (Regel & Herder) Borissava, of Turkestan, with longer, narrower, entire leaves.

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