Difference between revisions of "Sagittaria brevirostra"
Rep. (Annual) Missouri Bot. Gard. 16:102. 1905.
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|common_names=Midwestern arrowhead | |common_names=Midwestern arrowhead | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Sagittaria engelmanniana subsp. brevirostra | |name=Sagittaria engelmanniana subsp. brevirostra | ||
|authority=(Mackenzie & Bush) Bogin | |authority=(Mackenzie & Bush) Bogin | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Alismataceae;Sagittaria;Sagittaria brevirostra | |hierarchy=Alismataceae;Sagittaria;Sagittaria brevirostra | ||
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name=Sagittaria brevirostra | name=Sagittaria brevirostra | ||
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|authority=Mackenzie & Bush | |authority=Mackenzie & Bush | ||
|rank=species | |rank=species | ||
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|publication title=Rep. (Annual) Missouri Bot. Gard. | |publication title=Rep. (Annual) Missouri Bot. Gard. | ||
|publication year=1905 | |publication year=1905 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_566.xml |
|genus=Sagittaria | |genus=Sagittaria | ||
|species=Sagittaria brevirostra | |species=Sagittaria brevirostra | ||
Latest revision as of 21:32, 5 November 2020
Herbs, perennial, to 70 cm; rhizomes absent; stolons present; corms present. Leaves emersed; petiole terete-ridged, to 39 cm; blades sagittate, 5–20 × 2–8 cm, basal lobes equal to or less than remainder of blade. Inflorescences racemes or panicles, of 5–12 whorls, emersed, 25–30 × 6–15 cm; peduncles to 45 cm; bracts distinct or if connate, then less than ¼ total length, long-acuminate, 10–40 mm, firm, not papillose; fruiting pedicels spreading to ascending, cylindric, 1–2.5 cm. Flowers to 3.5 cm diam.; sepals recurved to spreading, not enclosing flower; filaments cylindric, longer than anthers, glabrous; pistillate pedicellate, without ring of sterile stamens. Fruiting heads (1.2–)1.5–2.5 cm diam.; achenes cuneate-obovoid, without abaxial keel, 2.1–3.1 × 1.4–2.2 mm, beaked; faces ??, wings 0–2, ± entire, glands absent; beak lateral, ascending apically, 0.4–1.7 mm. missing datum is whether faces are tuberculate or not; if datum is not easily available, change wording to near-original "faces with 0–2 wings."
Phenology: Flowering summer (Jul–Sep).
Habitat: Slightly basic to slightly acidic to alkaline waters of ponds, lakes, and swamps
Elevation: 100–�1800 m
Distribution
Sask., Ala., Ark., Calif., Colo., Ill., Ind., Iowa, Kans., Ky., La., Mich., Minn., Miss., Mo., Nebr., Ohio, Okla., S.Dak., Tex., Va., Wis.
Discussion
Selected References
None.