Micranthes careyana

(A. Gray) Small

Fl. S.E. U.S., 501. 1903 ,.

Common names: Carey’s saxifrage
Endemic
Basionym: Saxifraga careyana A. Gray Amer. J. Sci. Arts 42: 32. 1842
Synonyms: Saxifraga tennesseensis Small
Treatment appears in FNA Volume 8. Treatment on page 61. Mentioned on page 54, 63.

Plants often mat-forming, with extensive rhizomes. Leaves basal; petiole flattened, 1–7 cm; blade rounded or broadly ovate to oblong, 1–7 cm, thin, base truncate, margins coarsely serrate to dentate, sparsely ciliate, surfaces sparsely to ± densely tangled, reddish brown-hairy. Inflorescences 40+-flowered, lax, open thyrses, 10–40 (–50) cm, purple-tipped stipitate-glandular. Flowers: sepals spreading, broadly ovate; petals white, sometimes some with 2 faint, basal yellow spots (sometimes fading upon drying), narrowly ovate to elliptic, clawed, 2–4 (–5) mm, 2+ times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary superior, (to 1/3 adnate to hypanthium). Capsules green, ± purple-tinged, folliclelike.


Phenology: Flowering spring–early summer.
Habitat: Moist soil at bases of vertical or overhanging rock outcrops, seeps
Elevation: 500-1600 m

Distribution

V8 111-distribution-map.gif

Ala., Ga., Ky., N.C., Tenn., Va., W.Va.

Discussion

Micranthes careyana is very similar to M. caroliniana; both are in need of study.

Selected References

None.

Lower Taxa

None.

"thin" is not a number."full" is not a number.

... more about "Micranthes careyana"
epigynous +, perigynous +  and hypogynous +
palmate +  and pinnate +
acute +  and obtuse or rounded +
Luc Brouillet +  and Patrick E. Elvander† +
(A. Gray) Small +
cuneate +  and truncate or cordate +
Saxifraga careyana +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
broadly ovate +  and oblong +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
purple-tinged;green +
3-carpellate +  and 2-carpellate +
connate +  and distinct +
Carey’s saxifrage +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Ala. +, Ga. +, Ky. +, N.C. +, Tenn. +, Va. +  and W.Va. +
500-1600 m +
flattened +
bracteate +  and 2-70+[-1000]-flowered +
unisexual +  and bisexual +
2 cm20 mm <br />0.02 m <br /> (125 cm1,250 mm <br />1.25 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Moist soil at bases of vertical or overhanging rock outcrops, seeps +
multicellular +
glabrous +, stipitate-glandular +  and hairy +
purplish +  and green +
free +  and adnate +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
opposite +  and alternate +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
purple-margined +
reddish purple +  and purple +
distinct +
2+ times as long as sepals +
unlobed +  and lobed +
peltate +  and jointed +
flattened +
1 cm10 mm <br />0.01 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Flowering spring–early summer. +
2(-3)-carpellate +
unequal +
Fl. S.E. U.S., +
extensive +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +, ellipsoid +  and oblong +
reddish +  and green +
distinct +
unbranched +  and branched +
persistent +
horizontal +  and erect +
2 +  and 3 +
connate +  and distinct +
reddish brown-hairy +
Saxifraga tennesseensis +
Micranthes careyana +
Micranthes +
species +
purple-tipped +  and open +
40 cm400 mm <br />0.4 m <br /> (50 cm500 mm <br />0.5 m <br />) +
stipitate-glandular +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
dentate +, serrate +  and entire +
stoloniferous +  and rhizomatous +
annual +, biennial +  and perennial +
plant +  and mat-forming +