Schoenoplectus smithii var. levisetus

(Fernald) S. G. Smith

Novon 12: 108. 2002.

Common names: Scirpe à soies lisses
IllustratedEndemic
Basionym: Scirpus smithii var. levisetus Fassett Rhodora 23: 42. 1921
Treatment appears in FNA Volume 23. Treatment on page 57. Mentioned on page 55.

Perianth bristles 1–4, much shorter than to nearly equaling achene, slender, smooth or very sparsely spinulose.


Phenology: Fruiting summer–fall.
Habitat: Coastal, freshwater tidal flats
Elevation: 0 m

Discussion

Schoenoplectus smithii var. levisetus has been collected in Virginia but is now apparently extirpated.

Selected References

None.

Lower Taxa

None.

"prolonged" is not a number.

blackish +  and brown +
trigonous;biconvex;planoconvex +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
tapered +  and cuneate-obovoid +
1.2mm +  and 1.5mm +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
S. Galen Smith +
(Fernald) S. G. Smith +
shortened +
deciduous +
enlarged +
0.2mm;0.3mm +
Scirpus smithii var. levisetus +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
rudimentary +
0 (?) +  and 1 (?) +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
Scirpe à soies lisses +
0.5mm +  and 3mm +
2 cm20 mm <br />0.02 m <br /> (50 cm500 mm <br />0.5 m <br />) +
0.5mm;1.5mm +
N.B. +, Que. +, Maine +  and Va. +
hypogynous +  and subtending +
biconvex +  and trigonous +
Coastal, freshwater tidal flats +
multi-ranked +, 2-ranked +, 3-ranked +  and alternate +
cauline +  and basal +
membranous +
0.5 cm5 mm <br />0.005 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
retrorsely-spreading +
curved +  and straight +
with (1-)3-6(-30) bristles and/or scales +
Fruiting summer–fall. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
1 cm10 mm <br />0.01 m <br /> (?) +
inconspicuous +
distinct +
adventitious +
lineolate-spotted +, straw-colored +  and orangebrown +
deciduous +
basal +  and proximal +
2-keeled +
Illustrated +  and Endemic +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1 +  and 15 +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
3-fid +  and 2-fid +
Schoenoplectus smithii var. levisetus +
Schoenoplectus smithii +
variety +
not +  and rhizomatous +