Heuchera brevistaminea

Wiggins

Contr. Dudley Herb. 1: 100, plate 8. 1929 ,.

Common names: Laguna Mountains alum-root
EndemicConservation concern
Treatment appears in FNA Volume 8. Treatment on page 99. Mentioned on page 87, 100.
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Herbs acaulescent; caudex branched. Flowering-stems 20–30 cm, sparsely long-stipitate-glandular. Leaves: petiole sparsely short to long-stipitate-glandular; blade orbiculate or reniform, shallowly 5-lobed, 1.5–4 cm, base shallowly cordate, lobes rounded, margins dentate, apex obtuse, surfaces sparsely long-stipitate-glandular on veins abaxially, glabrous or long-stipitate-glandular adaxially. Inflorescenses moderately diffuse. Flowers: hypanthium weakly bilaterally symmetric, free 1.5–2.2 mm on adaxial side, deep rose-purple, cylindric, 4–5 mm, short-stipitate-glandular proximally, long-stipitate-glandular distally; sepals spreading, green and darker red-tipped, equal, 1.3–1.4 mm, apex rounded; petals spreading, white, broadly oblanceolate, unlobed, 4–5 mm (much longer than sepals), margins entire; stamens included 1 mm; styles included 1–2 mm, 1.5 mm, 0.1+ mm diam. Capsules ovoid, 3 mm, beaks divergent, not papillose. Seeds dark-brown, ellipsoid, ca. 0.7 mm.


Phenology: Flowering Jul–Sep.
Habitat: Rocky slopes in montane chaparral, yellow pine forests
Elevation: 1500-1900 m

Discussion

Of conservation concern.

Heuchera brevistaminea occurs in the Laguna Mountains, San Diego County. It closely resembles H. abramsii, H. caespitosa, H. elegans, and H. pulchella.

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Heuchera brevistaminea"
epigynous +, perigynous +  and hypogynous +
rounded +  and obtuse +
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
Wiggins +
cordate +
not papillose +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
5-lobed +, reniform +  and orbiculate +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
3 cm30 mm <br />0.03 m <br /> (?) +
3-carpellate +  and 2-carpellate +
Laguna Mountains alum-root +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
1500-1900 m +
unisexual +  and bisexual +
bearing 1-5 cauline leaves +  and leafless +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Rocky slopes in montane chaparral, yellow pine forests +
multicellular +
long-stipitate-glandular +  and short-stipitate-glandular +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 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 +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
peltate +  and jointed +
long-stipitate-glandular +
Flowering Jul–Sep. +
unequal +
Contr. Dudley Herb. +
dark-brown +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
ellipsoid +
0.7 cm7 mm <br />0.007 m <br /> (?) +
darker red-tipped +  and green +
distinct +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
Endemic +  and Conservation concern +
unbranched +  and branched +
persistent +
horizontal +  and erect +
connate +  and distinct +
1.5 cm15 mm <br />0.015 m <br /> (?) +
long-stipitate-glandular +  and glabrous +
Heuchera brevistaminea +
Heuchera +
species +
glandular-ciliate +  and ciliate +
crenate +  and dentate +
annual +, biennial +  and perennial +