Sagittaria longiloba

Engelmann ex J. G. Smith

N. Amer. Sagittaria. 16, plate 11. 1894.

Weedy
Synonyms: Sagittaria greggii J. G. Smith
Treatment appears in FNA Volume 22.

Herbs, perennial, to 100 cm; rhizomes absent; stolons present; corms present. Leaves emersed; petiole 5-ridged, ascending to erect, 24.5–60 cm; blade sagittate, 11.5–26.5 × 0.8–15 cm, basal lobes longer than remainder of blade. Inflorescences racemes, rarely panicles, of 5–17 whorls, emersed, 20–37 × 5–27 cm; peduncles 25–96 cm; bracts connate more than or equal to ¼ total length, lanceolate, 6.5–15 mm, delicate, not papillose; fruiting pedicels spreading, cylindric, 1.5–4.4 cm. Flowers to 3 cm diam.; sepals recurved to spreading, not enclosing flower; filaments cylindric, shorter than anthers, glabrous; pistillate flowers pedicellate, without ring of sterile stamens. Fruiting heads 0.9–1.5 cm diam; achenes oblanceoloid, abaxially keeled, 1.2–2.5 × 0.8–1.6 mm, beaked; faces tuberculate, wings absent, glands 0–1; beak lateral, erect, 0.1–0.6 mm.


Phenology: Flowering summer–fall.
Habitat: Wet ditches, ephermeral pools, and margins of streams and lakes
Elevation: 0–300 m

Distribution

V22 41-distribution-map.jpg

Ariz., Calif., Kans., Nebr., Okla., Tex., Mexico, Central America (Nicaragua)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Sagittaria longiloba"
0.12 cm1.2 mm <br />0.0012 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
keeled;oblanceoloid +
0.8mm;1.6mm +
papillose +  and smooth +
Obtuse (?) +  and Acute (?) +
Robert R. Haynes +  and C. Barre Hellquist +
Engelmann ex J. G. Smith +
attenuate;hastate or sagittate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
11.5 cm115 mm <br />0.115 m <br /> (26.5 cm265 mm <br />0.265 m <br />) +
sagittate +
0.8cm +  and 15cm +
not papillose +
cylindric +  and lanceolate +
equal to ¼ total length +  and more than +
Ariz. +, Calif. +, Kans. +, Nebr. +, Okla. +, Tex. +, Mexico +  and Central America (Nicaragua) +
0–300 m +
u--shaped +
tuberculate +
cylindric +
pedicellate +  and pistillate +
0.9 cm9 mm <br />0.009 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
hypogynous +
not +, keeled +  and compressed +
0 (?) +  and 1 (?) +
Wet ditches, ephermeral pools, and margins of streams and lakes +
decumbent +  and floating +
20 cm200 mm <br />0.2 m <br /> (37 cm370 mm <br />0.37 m <br />) +
5 cm50 mm <br />0.05 m <br /> (27 cm270 mm <br />0.27 m <br />) +
petiolate +  and sessile +
decumbent +  and floating +
submersed +, floating +  and emersed +
ascending +  and recurved +
25 cm250 mm <br />0.25 m <br /> (96 cm960 mm <br />0.96 m <br />) +
deciduous +
ascending;erect +
24.5 cm245 mm <br />0.245 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Flowering summer–fall. +
not radiating +  and arranged +
N. Amer. Sagittaria. +
decumbent +  and floating +
persistent +
recurved;spreading +
sculptured +
herbaceous;leathery +
Sagittaria greggii +
Sagittaria longiloba +
Sagittaria +
species +
white;brown +
emersed +  and submersed +
glabrous +  and sparsely pubescent +
bracteolate +  and branching +