Heuchera elegans

Abrams

Bull. S. Calif. Acad. Sci. 1: 67. 1902 ,.

Common names: Urn-flowered alum-root
Endemic
Treatment appears in FNA Volume 8. Treatment on page 100. Mentioned on page 87, 99.

Herbs subcaulescent; caudex branched. Flowering-stems 10–40 cm, sparsely medium stipitate-glandular. Leaves: petiole long-stipitate-glandular; blade reniform or orbiculate, shallowly 5-lobed, 1.5–3.5 cm, base cordate or truncate, lobes rounded, margins dentate, apex obtuse, surfaces short or long-stipitate-glandular. Inflorescenses dense. Flowers: hypanthium strongly bilaterally symmetric, free 3–3.5 mm on adaxial side, pink to purplish, narrowly cylindric or cylindric-urceolate, 4–7 mm, short-stipitate-glandular proximally, densely long-stipitate-glandular distally; sepals spreading, green-tipped, unequal, 2 mm on adaxial side of hypanthium, apex obtuse or rounded; petals spreading, white, broadly oblanceolate, (clawed), unlobed, 3–4 mm (longer than sepals), margins entire; stamens included 0.5 mm to exserted 0.5 mm; styles included to 2 mm, 1.5–2 mm, 0.1+ mm diam. Capsules urceolate, 4–6 mm, beaks divergent, not papillose. Seeds dark-brown, ellipsoid, 0.7 mm.


Phenology: Flowering May–Jun.
Habitat: Rocky sites in yellow pine and red fir forests
Elevation: 1500-2600 m

Discussion

Heuchera elegans occurs in the mountains of southern California, chiefly in the San Gabriel Range in Los Angeles and San Bernardino counties and vicinity. It resembles H. caespitosa. This group is in need of phylogenetic study.

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Heuchera elegans"
epigynous +, perigynous +  and hypogynous +
rounded +  and obtuse +
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
Abrams +
truncate +  and cordate +
not papillose +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
5-lobed +, orbiculate +  and reniform +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
urceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
3-carpellate +  and 2-carpellate +
Urn-flowered alum-root +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
1500-2600 m +
unisexual +  and bisexual +
bearing 1-5 cauline leaves +  and leafless +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Rocky sites in yellow pine and red fir forests +
multicellular +
pink +  and purplish +
long-stipitate-glandular +  and short-stipitate-glandular +
cylindric-urceolate +  and cylindric +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
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 +
distinct +
unlobed +  and oblanceolate +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
peltate +  and jointed +
long-stipitate-glandular +
Flowering May–Jun. +
unequal +
Bull. S. Calif. Acad. Sci. +
dark-brown +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ellipsoid +
0.7 cm7 mm <br />0.007 m <br /> (?) +
green-tipped +
distinct +
unequal +
2 cm20 mm <br />0.02 m <br /> (?) +
unbranched +  and branched +
persistent +
horizontal +  and erect +
connate +  and distinct +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
long-stipitate-glandular +
Heuchera elegans +
Heuchera +
species +
glandular-ciliate +  and ciliate +
crenate +  and dentate +
annual +, biennial +  and perennial +