Sagittaria sanfordii

Greene

Pittonia 2: 158. 1890.

EndemicConservation concern
Treatment appears in FNA Volume 22.

Herbs, perennial, to 130 cm; rhizomes present; stolons absent; corms present. Leaves emersed, sessile, phyllodial, lenticular, or with petiole triangular, to 53 cm, blade lance-elliptic, 11–18 × 1.5–4.5 cm. Inflorescences racemes, of 3–9 whorls, emersed, 2–13.5 × 3–6 cm; peduncles to 75 cm; bracts connate more than ¼ total length, lanceolate, 5–8 mm, delicate, not papillose; fruiting pedicels recurved, cylindric, 0.5–2.5 cm. Flowers to 3.5 cm diam.; sepals spreading in staminate, erect in pistillate, enclosing flower or fruiting head; filaments club-shaped, longer than anthers, pubescent; pistillate pedicellate, without ring of sterile stamens. Fruiting heads 0.7–1.2 cm diam.; achenes oblanceoloid, abaxially keeled, 2–3 × 1.4–2.1 mm, beaked; faces not tuberculate, wings absent, glands 0–1; beak lateral, erect, 0.2–0.6 mm. Chromosome number unknown.


Phenology: Flowering summer (Jul–Sep).
Habitat: Ditches, streams, and lake margins
Elevation: 10–300 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Sagittaria sanfordii"
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
keeled;oblanceoloid +
1.4mm;2.1mm +
papillose +  and smooth +
Obtuse (?) +  and Acute (?) +
Robert R. Haynes +  and C. Barre Hellquist +
Greene +
attenuate;hastate or sagittate +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
11 cm110 mm <br />0.11 m <br /> (18 cm180 mm <br />0.18 m <br />) +
linear +  and obovate +
1.5cm +  and 4.5cm +
more than ¼ total length +
not papillose +
cylindric +  and lanceolate +
10–300 m +
u--shaped +
not tuberculate +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
club--shaped +
pistillate +, staminate +, sessile +  and pedicellate +
0 cm0 mm <br />0 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
hypogynous +
not +, keeled +  and compressed +
0 (?) +  and 1 (?) +
Ditches, streams, and lake margins +
decumbent +  and floating +
2 cm20 mm <br />0.02 m <br /> (13.5 cm135 mm <br />0.135 m <br />) +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
lenticular +
0 cm0 mm <br />0 m <br /> (53 cm530 mm <br />0.53 m <br />) +
decumbent +  and floating +
submersed +, floating +  and emersed +
ascending +  and recurved +
0 cm0 mm <br />0 m <br /> (75 cm750 mm <br />0.75 m <br />) +
deciduous +
triangular +
Flowering summer (Jul–Sep). +
not radiating +  and arranged +
decumbent +  and floating +
persistent +
erect;spreading +
sculptured +
herbaceous;leathery +
Endemic +  and Conservation concern +
Lophotocarpus +
Sagittaria sanfordii +
Sagittaria +
species +
white;brown +
emersed +  and submersed +
glabrous +  and sparsely pubescent +
bracteolate +  and branching +