Hexastylis lewisii

(Fernald) H. L. Blomquist & Oosting

Spring Fl. Piedmont, 50. 1940.

Endemic
Basionym: Asarum lewisii Fernald Rhodora 45: 398. 1943
Synonyms: Hexastylis pilosiflora H. L. Blomquist
Treatment appears in FNA Volume 3.

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

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

None.

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

... more about "Hexastylis lewisii"
Alan T. Whittemore +  and L.L. Gaddy +
(Fernald) H. L. Blomquist & Oosting +
Asarum lewisii +
triangular +
1.4 cm14 mm <br />0.014 m <br /> (2 cm20 mm <br />0.02 m <br />) +
cylindric-campanulate;urceolate-campanulate +
1.6 cm16 mm <br />0.016 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
merous +  and petaloid +
tubular +
enlarged +
fan--shaped +
N.C. +  and Va. +
0-200 m +
sessile +  and petiolate +
indehiscent +  and loculicidal +
Upland and lowland (floodplain) forests, sometimes found along shores of Carolina bays +
axillary +  and terminal +
orbiculate-cordate;cordate;orbiculate-cordate;cordate;triangular-cordate +
leathery;membranous +
petiolate +  and simple +
scattered +  and crowded +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
parietal +, axile +  and placentation +
Flowering spring (Apr–May). +
4-6-carpellate +
Spring Fl. Piedmont, +
weak;strong +
distinct +
notched +
Hexastylis pilosiflora +
differentiated +
Hexastylis lewisii +
Hexastylis +
species +
differentiated +
evergreen +  and perennial +