Difference between revisions of "Heuchera pubescens"
Fl. Amer. Sept. 1: 187. 1813,.
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|common_names=Downy alum-root | |common_names=Downy alum-root | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Heuchera pubescens var. brachyandra | |name=Heuchera pubescens var. brachyandra | ||
|authority=Rosendahl, Butters & Lakela | |authority=Rosendahl, Butters & Lakela | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Saxifragaceae;Heuchera;Heuchera pubescens | |hierarchy=Saxifragaceae;Heuchera;Heuchera pubescens | ||
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name=Heuchera pubescens | name=Heuchera pubescens | ||
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|authority=Pursh | |authority=Pursh | ||
|rank=species | |rank=species | ||
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|publication title=Fl. Amer. Sept. | |publication title=Fl. Amer. Sept. | ||
|publication year= | |publication year= | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V8/V8_185.xml |
|genus=Heuchera | |genus=Heuchera | ||
|species=Heuchera pubescens | |species=Heuchera pubescens | ||
Latest revision as of 22:42, 5 November 2020
Herbs acaulescent; caudex branched. Flowering stems often leafy, 30–95 cm, short stipitate-glandular. Leaves: petiole glabrous or short stipitate-glandular; blade broadly ovate to cordate, shallowly 5-lobed, 3–9 cm, base cordate to nearly truncate, lobes rounded to widely ovate, margins dentate, apex acute or obtuse, surfaces glabrous or sparsely short stipitate-glandular, at least on veins abaxially. Inflorescences diffuse. Flowers: hypanthium moderately bilaterally symmetric, free 2–6.2 mm, green, campanulate, abruptly inflated distal to adnation to ovary, 5.5–13.2 mm, very short stipitate-glandular; sepals spreading, green-tipped, equal, 2–4.2 mm, apex rounded (sinuses narrower than petals); petals inflexed, pink or purple, broadly spatulate, unlobed, 2.4–4.4 mm, margins fimbriate; stamens 1.1 mm included to 3.7 mm exserted; styles from 0.6 mm included to 3 mm exserted, 4–6 mm, to 0.1 mm diam. Capsules ovoid, 7–11 mm, not papillose. Seeds dark brown, ellipsoid, 0.6–1 mm. 2n = 14.
Phenology: Flowering May–Jun.
Habitat: Shaded circumneutral rock outcroppings, ledges, and rocky cuts
Elevation: 100-1400 m
Distribution
Md., N.C., Pa., S.C., Va., W.Va.
Discussion
Heuchera pubescens intergrades with H. americana where their ranges overlap, primarily in the central Appalachians of Maryland, Virginia, and West Virginia; the intergrading form is recognized here as H. americana var. hispida. It is rare in South Carolina.
Selected References
None.