Heuchera bracteata

(Torrey) Seringe in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 4: 52. 1830 ,.

Common names: Rocky Mountain alumroot
Endemic
Basionym: Tiarella bracteata Torrey Ann. Lyceum Nat. Hist. New York 2: 204. 1827
Treatment appears in FNA Volume 8. Treatment on page 97. Mentioned on page 84, 88, 102.

Herbs usually subcaulescent; caudex branched or unbranched. Flowering-stems leafy, 6–28 (–38) cm, short-stipitate-glandular. Leaves: petiole short to medium stipitate-glandular; blade reniform or broadly ovate, shallowly 5–7-lobed, 1.5–4 cm, base subcordate or truncate, lobes rounded, margins sharply dentate, apex often mucronate, surfaces short-stipitate-glandular or sparsely long-stipitate-glandular abaxially, short-stipitate-glandular adaxially. Inflorescences dense, (secund). Flowers: hypanthium weakly bilaterally symmetric, free 0.5–1.5 mm, greenish yellow, narrowly campanulate, 3–5 mm, short-stipitate-glandular; sepals erect, green-tipped, equal, 1–1.5 mm, apex rounded; petals erect, green, oblanceolate, unlobed, 2 mm, margins entire; stamens exserted 0.5–1 mm; styles exserted 1 mm, 1.5–2 mm, 0.1+ mm diam. Capsules ovoid, 4–6 mm, beaks divergent, not papillose. Seeds brownish black, nearly straight along 1 side, convex on other side, 0.7–0.8 mm.


Phenology: Flowering May–Jul.
Habitat: Shaded rocky ledges and outcrops
Elevation: 1700-3500 m

Discussion

Heuchera bracteata occurs in the Rocky Mountains and foothills of northern Colorado and southern Wyoming.

Selected References

None.

Lower Taxa

None.

"full" is not a number.

... more about "Heuchera bracteata"
epigynous +, perigynous +  and hypogynous +
rounded +  and mucronate +
Elizabeth Fortson Wells +  and Barbara Greene Shipes +
(Torrey) Seringe in A. P. de Candolle and A. L. P. P. de Candolle +
truncate +  and subcordate +
Tiarella bracteata +
not papillose +
dentate +, serrate +  and entire +
glandular-ciliate +  and ciliate +
5-7-lobed +, ovate +  and reniform +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
3-carpellate +  and 2-carpellate +
unbranched +  and branched +
Rocky Mountain alumroot +
ebracteate +, bracteate +  and 2-300(-1000+)-flowered +
Colo. +  and Wyo. +
1700-3500 m +
unisexual +  and bisexual +
28 cm280 mm <br />0.28 m <br /> (38 cm380 mm <br />0.38 m <br />) +
6 cm60 mm <br />0.06 m <br /> (28 cm280 mm <br />0.28 m <br />) +
2-3(-4)-beaked +  and folliclelike +
Shaded rocky ledges and outcrops +
multicellular +
greenish yellow +
short-stipitate-glandular +
campanulate +
0.3 cm3 mm <br />0.003 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 +
2 cm20 mm <br />0.02 m <br /> (?) +
peltate +  and jointed +
stipitate-glandular +
short to medium +
Flowering May–Jul. +
unequal +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
brownish black +
straight +
muricate +, cellular-rugulose +, tuberculate +, pitted +, papillate +  and wrinkled +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
green-tipped +
distinct +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 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 />) +
short-stipitate-glandular +  and long-stipitate-glandular +
Heuchera bracteata +
Heuchera +
species +
glandular-ciliate +  and ciliate +
crenate +  and dentate +
annual +, biennial +  and perennial +