Difference between revisions of "Sagittaria australis"
Flora of the Southeastern United States 45. 1903.
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|common_names=Appalachian arrowhead | |common_names=Appalachian arrowhead | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Sagittaria longirostra var. australis | |name=Sagittaria longirostra var. australis | ||
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|publication title=Flora of the Southeastern United States | |publication title=Flora of the Southeastern United States | ||
|publication year=1903 | |publication year=1903 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_141.xml |
|genus=Sagittaria | |genus=Sagittaria | ||
|species=Sagittaria australis | |species=Sagittaria australis | ||
Latest revision as of 20:29, 5 November 2020
Herbs, perennial, to 130 cm; rhizomes absent; stolons present; corms present. Leaves emersed; petiole 5-winged, 19–85 cm; blade sagittate, 3–19 × 2.5–11 cm, basal lobes ± equal to remainder of blade. Inflorescences racemes, of 5–12 whorls, emersed, 10–29 × 3–5 cm; peduncles 25–105 cm; bracts distinct or if connate, then less than ¼ total length, lanceolate, 7–30 mm, papery, not papillose; fruiting pedicels spreading to ascending, cylindric, 0.3–2.3 cm. Flowers to 3 cm diam.; sepals recurved to spreading, not enclosing flower or fruiting head; filaments cylindric, longer than anthers, glabrous; pistillate pedicellate, without ring of sterile stamens. Fruiting heads 1–2.2 cm diam.; achenes obovoid, without abaxial keel, 2.1–3.2 × 1.4–2.3 mm, beaked; faces not tuberculate, wings 0–2, ± entire, glands absent; beak lateral, strongly recurved, 4–17 mm. 2n = 22.
Phenology: Flowering summer–early fall (Jul–Oct).
Habitat: Slightly basic to slightly acidic ponds, lakes, and swamps
Elevation: 1–300 m
Distribution
Ala., Ark., Fla., Ga., Ill., Ind., Iowa, Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Va., W.Va.
Discussion
The name Sagittaria longirostra (Micheli) J. G. Smith has been misapplied to S. australis (J. G. Smith) Small (E. O. Beal et al. 1980).