Hexastylis virginica

(Linnaeus) Small

Fl. S.E. U.S., 1131. 1903.

Endemic
Basionym: Asarum virginicum Linnaeus Sp. Pl. 1: 442. 1753
Synonyms: Asarum memmingeri Ashe Hexastylis memmingeri (Ashe) Small
Treatment appears in FNA Volume 3.

Rhizomes: internodes short, leaves crowded at rhizome apex. Leaf-blade variegate or not, cordate, subcordate, or subreniform. Flowers: calyx-tube cylindric to narrowly cylindric-urceolate, sometimes with prominent transverse ridge just below sinuses, 8-15 × 6-12 mm, inner surface with high reticulations, lobes erect or weakly spreading, 2-4 × 7-9 mm, adaxially puberulent; stamen connective not extending beyond pollen-sacs; ovary ca. 1/3-inferior; ovules 8 per locule; styles notched at apex. 2n = 26.


Phenology: Flowering spring (Apr–Jun).
Habitat: Deciduous and mixed deciduous-conifer forests
Elevation: 0-700 m

Distribution

V3 593-distribution-map.gif

Ky., Md., N.C., Tenn., Va., W.Va.

Discussion

Plants of Hexastylis virginica with small, cylindric-urceolate calices have been treated as a distinct species, H. memmingeri. The two calyx types are often found in the same population, however, so H. memmingeri seems unworthy of taxonomic recognition at any rank.

Prior to the study by H. L. Blomquist (1957), many botanists interpreted Hexastylis virginica in a very broad sense, so old herbarium specimens of many other species of Hexastylis are often annotated as H. virginica.

The Cherokee used Hexastylis virginica medicinally to stop blood from passing (D. E. Moerman 1986, as Asarum virginicum).

Selected References

None.

Lower Taxa

None.

"broad" is not a number."connate" is not a number.

... more about "Hexastylis virginica"
Alan T. Whittemore +  and L.L. Gaddy +
(Linnaeus) Small +
Asarum virginicum +
triangular +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
cylindric;narrowly cylindric-urceolate +
0.6 cm6 mm <br />0.006 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
merous +  and petaloid +
tubular +
enlarged +
fan--shaped +
Ky. +, Md. +, N.C. +, Tenn. +, Va. +  and W.Va. +
0-700 m +
sessile +  and petiolate +
indehiscent +  and loculicidal +
Deciduous and mixed deciduous-conifer forests +
axillary +  and terminal +
subreniform;subcordate;subreniform;subcordate;not cordate +
leathery;membranous +
petiolate +  and simple +
spreading +  and erect +
puberulent +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
parietal +, axile +  and placentation +
inferior +  and superior +
Flowering spring (Apr–Jun). +
4-6-carpellate +
Fl. S.E. U.S., +
weak;strong +
distinct +
notched +
Asarum memmingeri +  and Hexastylis memmingeri +
differentiated +
Hexastylis virginica +
Hexastylis +
species +
differentiated +
evergreen +  and perennial +