Micranthes gormanii

(Suksdorf) Brouillet & Gornall

J. Bot. Res. Inst. Texas 1: 1020. 2007 ,.

Common names: Gorman’s saxifrage
Basionym: Saxifraga gormanii Suksdorf Torreya 23: 106. 1923 (as gormani)
Synonyms: Saxifraga occidentalis var. dentata (Engler & Irmscher) C. L. Hitchcock
Treatment appears in FNA Volume 8. Treatment on page 62. Mentioned on page 54.

Plants in groups or, sometimes, almost mat-forming, rhizomatous. Leaves basal; petiole flattened, 5–7.5 cm; blade ovate to elliptic, 3–4 cm, fleshy, base attenuate, margins shallowly crenate-serrate, sparsely ciliate, surfaces tangled, reddish brown-hairy. Inflorescences (10–) 30+-flowered, open, lax, strongly divaricately branched, conic thyrses, 8–30 cm, purple-tipped stipitate-glandular; (bracts glabrous, proximal marginally ciliate). Flowers: sepals ascending, ovate to oblong, (margins eciliate, surfaces glabrous); petals white, not spotted, obovate to ± round, clawed, ca. 2 mm, ca. 1.5 times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary nearly 1/3 inferior, (to 1/3 adnate to hypanthium). Capsules greenish to reddish purple, folliclelike. 2n = 20, 38, 40.


Phenology: Flowering spring.
Habitat: Wet, rocky ledges and slopes
Elevation: 0-1000 m

Discussion

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Micranthes gormanii"
40 +, 38 +  and 20 +
epigynous +, perigynous +  and hypogynous +
palmate +  and pinnate +
acute +  and obtuse or rounded +
Luc Brouillet +  and Patrick E. Elvander† +
(Suksdorf) Brouillet & Gornall +
attenuate +
Saxifraga gormanii +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
ovate +  and elliptic +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
greenish;reddish purple +
3-carpellate +  and 2-carpellate +
connate +  and distinct +
Gorman’s saxifrage +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Oreg. +  and Wash. +
0-1000 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 +
Wet, rocky ledges and slopes +
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 />) +
branched +, open +  and (10-)30+-flowered +
opposite +  and alternate +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
purple-margined +
not spotted +  and white +
reddish purple +  and purple +
distinct +
1.5 times as long as sepals +
clawed +, obovate +  and more or less round +
2 cm20 mm <br />0.02 m <br /> (?) +
peltate +  and jointed +
flattened +
5 cm50 mm <br />0.05 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
Flowering spring. +
2(-3)-carpellate +
unequal +
J. Bot. Res. Inst. Texas +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +, ellipsoid +  and oblong +
reddish +  and green +
distinct +
ovate +  and oblong +
unbranched +  and branched +
persistent +
horizontal +  and erect +
2 +  and 3 +
connate +  and distinct +
reddish brown-hairy +
Saxifraga occidentalis var. dentata +
Micranthes gormanii +
Micranthes +
species +
purple-tipped +
stipitate-glandular +
8 cm80 mm <br />0.08 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dentate +, serrate +  and entire +
annual +, biennial +  and perennial +
plant +  and mat-forming +