Hexastylis lewisii
Spring Fl. Piedmont, 50. 1940.
Rhizomes dimorphic: internodes of flowering rhizomes short, leaves crowded at rhizome apex; internodes of sterile rhizomes often long, leaves scattered along length of rhizome. Leaf-blade variegate, triangular-cordate, cordate, or orbiculate-cordate. Flowers: calyx-tube cylindric-campanulate to urceolate-campanulate, sometimes with prominent transverse ridge just above middle, 14-20 × 16-22 mm, inner surface longitudinally ridged, without reticulations, lobes spreading, 8-15 × 10-15 mm, adaxially pilose; stamen connective extending beyond pollen-sacs; ovary superior; ovules 10 per locule; style notched at apex. 2n = 26.
Phenology: Flowering spring (Apr–May).
Habitat: Upland and lowland (floodplain) forests, sometimes found along shores of Carolina bays
Elevation: 0-200 m
Distribution

N.C., Va.
Discussion
Hexastylis lewisii resembles H. shuttleworthii in its calyx shape, the presence of elongate rhizomes, and the late flowering time.
Selected References
None.
Lower Taxa
"broad" is not a number."connate" is not a number.