Heuchera micrantha var. diversifolia

(Rydberg) Rosendahl

Minnesota Stud. Pl. Sci. 2: 42. 1936,.

Endemic
Basionym: Heuchera diversifolia Rydberg in N. L. Britton et al., N. Amer. Fl. 22: 102. 1905
Synonyms: Heuchera micrantha var. pacifica Rosendahl, Butters & Lakela
Treatment appears in FNA Volume 8. Treatment on page 93. Mentioned on page 91, 101.

Leaves: petiole short to long-stipitate-glandular; blade pentagonal or heptagonal, deeply lobed. Inflorescences sparsely long-stipitate-glandular. Flowers: hypanthium turbinate to campanulate, 1.5–4.9 × 1.2–3.4 mm, sparsely long-stipitate-glandular; sepals 0.6–1.2 mm, apex acute to mucronate; petals 0.2–0.7 mm wide; styles 0.4–3.6 mm. 2n = 14, 28.


Phenology: Flowering May–Jul.
Habitat: Mixed coniferous forest on talus, slate, serpentine, basalt, or granite base
Elevation: 100-1900 m

Distribution

V8 176-distribution-map.gif

B.C., Calif., Oreg., Wash.

Discussion

Variety diversifolia occurs in the Coast Ranges, Cascade Range, and Klamath and Santa Lucia mountains.

Selected References

None.

Lower Taxa

None.

"full" is not a number.

epigynous +, perigynous +  and hypogynous +
acute +  and mucronate +
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
(Rydberg) Rosendahl +
cordate +
Heuchera diversifolia +
not papillose +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
lobed +, heptagonal +  and pentagonal +
2.5 cm25 mm <br />0.025 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
3-carpellate +  and 2-carpellate +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
B.C. +, Calif. +, Oreg. +  and Wash. +
100-1900 m +
unisexual +  and bisexual +
bearing 1-5 cauline leaves +  and leafless +
6 cm60 mm <br />0.06 m <br /> (57 cm570 mm <br />0.57 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Mixed coniferous forest on talus, slate, serpentine, basalt, or granite base +
multicellular +
tinged with red +  and greenish white +
1.5mm;4.9mm +
long-stipitate-glandular +
turbinate +  and campanulate +
0.1 cm1 mm <br />0.001 m <br /> (0.49 cm4.9 mm <br />0.0049 m <br />) +
1.2mm;3.4mm +
long-stipitate-glandular +
bracteate +, not secund +  and 100-1000-flowered +
dense +  and diffuse +
opposite +  and alternate +
rounded +
entire +  and dentate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
crassinucellate +, unitegmic +  and bitegmic +
epigynous +, perigynous +  and hypogynous +
pale-pink +  and white +
distinct +
unlobed +  and oblanceolate +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.33 cm3.3 mm <br />0.0033 m <br />) +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
peltate +  and jointed +
long-stipitate-glandular +
Flowering May–Jul. +
unequal +
Minnesota Stud. Pl. Sci. +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ellipsoid +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
red-tipped +  and green +
distinct +
spreading +  and nearly erect +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
unbranched +  and branched +
persistent +
horizontal +  and erect +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
connate +  and distinct +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.36 cm3.6 mm <br />0.0036 m <br />) +
long-stipitate-glandular +  and glabrous +
Heuchera micrantha var. pacifica +
Heuchera micrantha var. diversifolia +
Heuchera micrantha +
variety +
glandular-ciliate +  and ciliate +
crenate +  and dentate +
annual +, biennial +  and perennial +