Rhodiola integrifolia subsp. leedyi

(Rosendahl & J. W. Moore) H. Ohba

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
Treatment appears in FNA Volume 8. Treatment on page 167. Mentioned on page 166.
Revision as of 12:00, 30 July 2020 by imported>Volume Importer
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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.
perigynous +  and hypogynous +
acute +  and obtuse +
Reid V. Moran +
(Rosendahl & J. W. Moore) H. Ohba +
Sedum rosea var. leedyi +
lobed +  and toothed +
elliptic +  and ovate or oblanceolate +
0.5 cm5 mm <br />0.005 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
not circumscissile +
subclasping +  and sessile +
not circumscissile +
Minn. +  and N.Y. +
100-400 m +
3 cm30 mm <br />0.03 m <br /> (50 cm500 mm <br />0.5 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
staminate +  and 4-5-merous +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Ledges of cliffs +
0 cm0 mm <br />0 m <br /> (8 cm80 mm <br />0.08 m <br />) +
axillary +  and terminal +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
3 cm30 mm <br />0.03 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
oblanceolate +
0.5cm;1.5cm +
persistent +
scale-like +
toothed +  and entire +
quadrate;linear +
semi-inferior +  and superior +
tenuinucellate +, crassinucellate +  and bitegmic +
2 cm20 mm <br />0.02 m <br /> (?) +
perigynous +  and hypogynous +
greenish yellow +  and dark red +
distinct +
spreading +  and erect +
elliptic-oblong +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.17 cm1.7 mm <br />0.0017 m <br />) +
Flowering early summer. +
(3-)4-5(-12)[-30+]-carpellate +
J. Jap. Bot. +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
spreading +  and erect +
cross-ribbed +  and ribbed +
oblanceoloid;pyriform +
0.2 cm2 mm <br />0.002 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
lanceolate +  and ovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1 +  and many +
adnate +  and free +
epipetalous +
2 times as many as sepals +
decumbent +, spreading +  and erect +
15 cm150 mm <br />0.15 m <br /> (45 cm450 mm <br />0.45 m <br />) +
distinct +
2+ times shorter than ovary +
Sedum rosea subsp. leedyi +  and Tolmachevia integrifolia subsp. leedyi +
Rhodiola integrifolia subsp. leedyi +
Rhodiola integrifolia +
subspecies +
not conspicuous +
perennial +, biennial +  and annual +
polygamodioecious +  and dioecious +