Difference between revisions of "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.
imported>Volume Importer
 
(No difference)

Latest revision as of 12:57, 30 July 2020

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 +