Difference between revisions of "Heuchera longiflora"
in N. L. Britton, Man. Fl. N. States, 482. 1901,.
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|accepted_name=Heuchera longiflora | |accepted_name=Heuchera longiflora | ||
| − | |accepted_authority=Rydberg | + | |accepted_authority=Rydberg |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in N. L. Britton, Man. Fl. N. States, | |title=in N. L. Britton, Man. Fl. N. States, | ||
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|common_names=Long-flowered alum-root | |common_names=Long-flowered alum-root | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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name=Heuchera longiflora | name=Heuchera longiflora | ||
| − | |authority=Rydberg | + | |authority=Rydberg |
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
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|publication title=in N. L. Britton, Man. Fl. N. States, | |publication title=in N. L. Britton, Man. Fl. N. States, | ||
|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_188.xml |
|genus=Heuchera | |genus=Heuchera | ||
|species=Heuchera longiflora | |species=Heuchera longiflora | ||
Latest revision as of 22:42, 5 November 2020
Herbs acaulescent; caudex branched. Flowering stems often leafy, 30–95 cm, glabrous or short stipitate-glandular. Leaves: petiole glabrous or short stipitate-glandular; blade (often variegated adaxially), broadly ovate to cordate, shallowly 5-lobed, 3–12 cm, base cordate or nearly truncate, lobes rounded to widely ovate, terminal lobes often elongated, margins dentate, apex acute or obtuse, surfaces glabrous or short stipitate-glandular, at least on veins. Inflorescences diffuse. Flowers: hypanthium strongly bilaterally symmetric, free 2.2–6.2 mm, green, gibbous-tubular, abruptly inflated distal to adnation to ovary, 6.6–12.6 mm, short stipitate-glandular; sepals inflexed (closing mouth of flower), darker green-tipped, equal, 2–3.7 mm, apex rounded; petals inflexed (closing mouth of flower), white, pink, or purple, spatulate, unlobed, 1.8–5.5 mm, margins often fimbriate; stamens 2.4 mm included to 0.7 mm exserted; styles included 1.3–5.3 mm, 1.5–2.5 mm, to 0.1 mm diam. Capsules ovoid, 5–13 mm, beaks divergent, not papillose. Seeds dark brown, ellipsoid, 0.5–0.9 mm. 2n = 14.
Phenology: Flowering May–Jun.
Habitat: Rich, shaded woods and roadcuts over limestone substrates and outcroppings
Elevation: 100-500 m
Distribution
Ala., Ky., N.C., Tenn., Va., W.Va.
Discussion
Heuchera longiflora is restricted to limestone outcroppings and is rare in all the states where it is found.
Selected References
None.