Heads up: Some or all of the identifications affected by this split may have been replaced with identifications of Holochloa. This happens when we can't automatically assign an identification to one of the output taxa. Review identifications of Heuchera parviflora 163743
Päivitä sisältösi

Taxonomic Split 63888 (Tehty 12-10-2019)

Folk, R. A., & Freudenstein, J. V. (2015). “Sky islands” in the eastern U.S.A.? — Strong phylogenetic structure in the Heuchera parviflora group (Saxifragaceae). Taxon, 64(2), 254–271. doi:10.12705/642.3

Species Distribution Leaves Flowers Habitat
Heuchera puberula Ozark Plateau (Missouri and Arkansas) Leathery, with short-hairy petioles (less than 0.5 mm) Bracts mostly entire Calciphile (dolomite/limestone), more exposed areas, riparian
Heuchera missouriensis Interior Plateau and southern Cumberland (southern Illinois, southern Indiana, extreme eastern Missouri, western Kentucky, parts of Tennessee, northern Alabama) Membranous, thin, petioles long-hairy (usually >0.6 mm) Bracts mostly trifid, styles exserted <1.25 mm, inflorescence notably condensed, with lower pedicels mostly <5 mm, flower orientation subhorizontal Rockhouses, only occasionally riparian
Heuchera parviflora var. parviflora Northern Cumberland, disjunct in the southern Appalachian Escarpment (southern Ohio, eastern Kentucky, parts of Tennessee, western North Carolina, parts of western South Carolina and northern Georgia?) Membranous, thin, petioles long-hairy (usually >0.6 mm) Styles exserted <1.75 mm, inflorescence open, lower pedicals mostly >5 mm, flowers pendant Exclusive to sandstone
Heuchera parviflora var. saurensis Endemic to North Carolina in Piedmont, mostly in Sauratown Mts, also foothills of Appalachians Mature leaves strongly sticky-viscid, membranous, thin, petioles long-hairy (usually >0.6 mm) Styles exserted <1.75 mm, inflorescence open, lower pedicals mostly >5 mm, flowers pendant Exclusive to quartzite

Before the split:
158 H. parviflora sensu lato
0 H. parviflora sensu stricto
1 H. puberula
2 H. missouriensis
20 at rank=H. sect. Holochloa

After the split:
0 H. parviflora sensu lato
43 H. parviflora sensu stricto
3 H. puberula
83 H. missouriensis
83 at rank=H. sect. Holochloa

Map of the 3 output species: https://www.inaturalist.org/taxa/map?taxa=954789,953492,953490#6/36.934/-84.105

Plants of the World Online (POWO) (Viittaus)
Lisännyt bouteloua lokakuu 11, 2019 04:26 IP. | Tallentanut bouteloua lokakuu 12, 2019
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Kommentit

Why should this change be applied to species in the western United States and Europe?

Lähettänyt sharkey yli 4 vuotta sitten

Any Heuchera parviflora misidentified in areas outside its range would be kicked up to section. Is that what you're referring to?

Lähettänyt bouteloua yli 4 vuotta sitten

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