Xyris stricta var. stricta

Treatment appears in FNA Volume 22.
Revision as of 23:51, 29 July 2020 by imported>Volume Importer
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Herbs, 50–90 (–104) cm. Leaves 20–60 cm; blade mostly 3–8 mm wide, margins smooth to ciliolate or papillate. Inflorescences: scapes often compressed distally, nearly ancipital 2-edged, (1.7–) 2–3 (–4) mm wide, ribs 2, strong, sharp, making edges, edges smooth to somewhat scabrous or ciliolate, rarely with few additional intervening, low, smooth ribs; spikes lance-cylindric or cylindric, (1.5–) 2–3 (–3.5) cm; fertile bracts nearly orbiculate, (5.5–) 6–7 (–7.5) mm, margins erose, narrow, scarious. Flowers: lateral sepals 5–6.5 mm. Seeds (5.5–) 6–8 mm.


Phenology: Flowering summer–fall.
Habitat: Wet sands, peats, and peat-muck of shallows of acidic pineland ponds, bayheads, ditches, and seeps
Elevation: 0–200 m

Distribution

V22 15-distribution-map.jpg

Ala., Fla., Ga., La., Miss., N.C., S.C., Tex.

Discussion

Xyris stricta var. stricta is the taller, wider leaved, smoother, broader scaped, larger bracted of the two varieties and prefers a wetter habitat.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

convex +, keeled +, blunt +  and acute +
Robert Kral +
Chapman +
open +  and sheathing +
ephemeral +
papillate;smooth +
obtriangular +
0.3 cm3 mm <br />0.003 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
orbiculate +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +  and Tex. +
0–200 m +
basal-lateral +
proteinaceous +  and starchy +
loculicidal +
Wet sands, peats, and peat-muck of shallows of acidic pineland ponds, bayheads, ditches, and seeps +
moniliform +
ciliolate +  and scabrous +
additional +  and few +
margined +  and winged +
0.5 cm5 mm <br />0.005 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
equitant +, 2-ranked +  and alternate +
20 cm200 mm <br />0.2 m <br /> (60 cm600 mm <br />0.6 m <br />) +
smooth;ciliolate +
papillate +
distinct +
unfolding +
Flowering summer–fall. +
monosulcate +
Fl. South. U.S. +
ciliolate +  and scabrous +
additional +, few +  and 2 +
scabrous +  and papillate +
compressed +
bladed +  and open +
2mm;3mm +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
cross-lined +
cylindro-fusiform +
0.6 cm6 mm <br />0.006 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
connivent +  and opposite +
distinct +
unequal +
smooth +  and papillate +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
decussate +  and imbricate +
cylindric;lance-cylindric +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
epipetalous +
branching +  and simple +
elongate +  and caudiciform +
funnel +  and u--shaped +
tubular +  and elongate +
Jupica +, Kotsjiletti +, Ramotha +, Schizmaxon +, Xuris +  and Xyroides +
Xyris stricta var. stricta +
Xyris stricta +
variety +
90 cm900 mm <br />0.9 m <br /> (104 cm1,040 mm <br />1.04 m <br />) +