familyCrassulaceae
genusRhodiola
speciesRhodiola integrifolia
subspeciesRhodiola integrifolia subsp. leedyi
Rhodiola integrifolia subsp. leedyi
J. Jap. Bot. 74: 61. 1999,.
Basionym: Sedum rosea var. leedyi Rosendahl & J. W. Moore Rhodora 49: 198, plate 1086. 1947
Synonyms: Sedum rosea subsp. leedyi (Rosendahl & J. W. Moore) R. T. Clausen Tolmachevia integrifolia subsp. leedyi (Rosendahl & J. W. Moore) Á. Löve & D. Löve
Stems 15–45 cm. Leaf blades blue-green, glaucous, narrowly oblanceolate, 3–5.5 × 0.5–1.5 cm. Petals dark red throughout or usually greenish yellow at base. Seeds 2–2.8 mm. 2n = 36.
Phenology: Flowering early summer.
Habitat: Ledges of cliffs
Elevation: 100-400 m
Discussion
Of conservation concern.
There are only five confirmed populations of subsp. leedyi: three in southeastern Minnesota and two in western New York. They are restricted to cool seeps in rocks and are threatened by housing developments. Subspecies leedyi was federally listed as threatened in 1997.
Selected References
None.
Lower Taxa
None.