Micranthes nidifica

(Greene) Small in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 22: 134. 1905,.

Common names: Swamp saxifrage
Basionym: Saxifraga nidifica Greene Erythea 1: 222. 1893
Synonyms: Micranthes plantaginea (Small) Small Saxifraga columbiana Piper Saxifraga integrifolia var. columbiana (Piper) C. L. Hitchcock Saxifraga integrifolia var. leptopetala (Suksdorf) Engler & Irmscher Saxifraga montana Small Saxifraga plantaginea
Treatment appears in FNA Volume 8. Treatment on page 68. Mentioned on page 52, 69.

Plants solitary or in clumps, with bulbils on caudices. Leaves basal; petiole flattened, 1.5–5.5 cm; blade ± ovate to elliptic, 3–6 (–7.5) cm, fleshy, base attenuate, margins entire or minutely denticulate, ciliate, surfaces glabrate to sparsely hairy. Inflorescences 30+-flowered, lax, cylindric thyrses with 3–10, ± compact cymules, 10–30 cm, ± densely pink to purple-tipped stipitate-glandular. Flowers: sepals strongly reflexed, broadly ovate to deltate; petals white to greenish white, not spotted, usually elliptic to obovate, clawed, 1–1.9 mm, equaling or shorter than sepals; filaments linear, flattened; pistils connate to 1/2 their lengths; ovary 1/2+ inferior. Capsules green or reddish purple, folliclelike. 2n = 38.


Phenology: Flowering spring–summer.
Habitat: Open meadows, shrub-lands, gravelly slopes, edges of and open pine forests
Elevation: 100-2600 m

Distribution

V8 133-distribution-map.gif

B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Micranthes nidifica is polymorphic and merges to some extent with M. fragosa in limited areas of southern Washington and northern Oregon.

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Micranthes nidifica"
epigynous +, perigynous +  and hypogynous +
palmate +  and pinnate +
acute +  and obtuse or rounded +
Luc Brouillet +  and Patrick E. Elvander† +
(Greene) Small in N. L. Britton et al. +
attenuate +
Saxifraga nidifica +
6 cm60 mm <br />0.06 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
less ovate +  and elliptic +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
reddish purple;green +
3-carpellate +  and 2-carpellate +
connate +  and distinct +
Swamp saxifrage +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Utah +, Wash. +  and Wyo. +
100-2600 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 +
Open meadows, shrub-lands, gravelly slopes, edges of and open pine forests +
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 +
denticulate +  and entire +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
purple-margined +
not spotted +, white +  and greenish white +
reddish purple +  and purple +
distinct +
clawed +, usually elliptic +  and obovate +
0.1 cm1 mm <br />0.001 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
peltate +  and jointed +
flattened +
1.5 cm15 mm <br />0.015 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
Flowering spring–summer. +
2(-3)-carpellate +
0 +  and 1/2 +
unequal +
in N. L. Britton et al., N. Amer. Fl. +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ovoid +, ellipsoid +  and oblong +
reddish +  and green +
distinct +
broadly ovate +  and deltate +
unbranched +  and branched +
persistent +
horizontal +  and erect +
2 +  and 3 +
connate +  and distinct +
glabrate +  and sparsely hairy +
Micranthes plantaginea +, Saxifraga columbiana +, Saxifraga integrifolia var. columbiana +, Saxifraga integrifolia var. leptopetala +, Saxifraga montana +  and Saxifraga plantaginea +
Micranthes nidifica +
Micranthes +
species +
purple-tipped +
stipitate-glandular +
cylindric +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
dentate +, serrate +  and entire +
stoloniferous +  and rhizomatous +
annual +, biennial +  and perennial +