Sagittaria kurziana

Glück

Bulletin of the Torrey Botanical Club 54: 257. 1927.

Endemic
Treatment appears in FNA Volume 22.

Herbs, perennial, to 250 cm; rhizomes absent; stolons present; corms present. Leaves submersed and floating, sessile, phyllodial, flattened, 50–250 × 0.4–1.5 cm; rare stranded plants without expanded leaf-blades. Inflorescences racemes, rarely panicles, of 4–10 whorls, floating to slightly emersed, 15–25 × 5–15 cm; peduncles to 200 cm; bracts connate less than or equal to total length, lanceolate, 0.4–0.8 mm, delicate, not papillose; fruiting pedicels spreading to recurved, cylindric, 1.5–4.5 cm. Flowers to 2.8 cm diam.; sepals erect to spreading in staminate, erect in pistillate, enclosing flower or fruiting head; filaments dilated, equaling anthers, glabrous; pistillate pedicellate, without ring of sterile stamens. Fruiting heads 0.7–1 cm diam.; achenes obovoid, abaxially keeled, 5 × 2.5 mm, beaked; faces not tuberculate, wings absent, glands 0–1; beak lateral, erect, 1 mm. 2n = 22.


Phenology: Flowering summer–fall.
Habitat: Large springs and their streams, in fresh to slightly brackish water
Elevation: 0–100 m

Discussion

Sagittaria kurziana is a distinctive species found in springs and clear streams, often with high sulfur content. The plants form huge colonies, essentially filling the stream with their long flexible leaves that wave back and forth in the water current.

Selected References

None.

Lower Taxa

None.
... more about "Sagittaria kurziana"
5 cm50 mm <br />0.05 m <br /> (?) +
keeled;obovoid +
papillose +  and smooth +
Obtuse (?) +  and Acute (?) +
Robert R. Haynes +  and C. Barre Hellquist +
Glück +
attenuate;hastate or sagittate +
1 cm10 mm <br />0.01 m <br /> (?) +
linear +  and obovate +
spreading;recurved +
not papillose +
cylindric +  and lanceolate +
equal to total length +  and less than +
0–100 m +
u--shaped +
not tuberculate +
glabrous +  and pubescent +
pistillate +, staminate +, sessile +  and pedicellate +
0 cm0 mm <br />0 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
hypogynous +
not +, keeled +  and compressed +
0 (?) +  and 1 (?) +
Large springs and their streams, in fresh to slightly brackish water +
decumbent +  and floating +
15 cm150 mm <br />0.15 m <br /> (25 cm250 mm <br />0.25 m <br />) +
floating +  and slightly emersed +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
50cm;250cm +
flattened +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
decumbent +  and floating +
submersed +, floating +  and emersed +
ascending +  and recurved +
0 cm0 mm <br />0 m <br /> (200 cm2,000 mm <br />2 m <br />) +
deciduous +
terete +  and triangular +
Flowering summer–fall. +
not radiating +  and arranged +
Bulletin of the Torrey Botanical Club +
decumbent +  and floating +
persistent +
erect;erect;spreading +
sculptured +
herbaceous;leathery +
Lophotocarpus +
Sagittaria kurziana +
Sagittaria +
species +
white;brown +
plant +  and herb +
emersed +  and submersed +
glabrous +  and sparsely pubescent +
bracteolate +  and branching +