Sagittaria montevidensis |
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annual sagittaria, California arrowhead, California lophotocarpus, giant arrowhead, hooded arrowhead, sagittaire spongieuse, spongy-leaf arrowhead |
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Habit | Herbs, annual or perennial, to 100 cm; rhizomes present; stolons present; corms present. | ||||||||
Leaves | submersed and emersed; submersed leaves absent or phyllodial, flattened, to 17 × 2 cm; emersed leaves with petiole triangular, 21–55 cm, blade hastate to sagittate, 2.5–17.5 × 0.6–22 cm, lobes longer than or equal to remainder of blade. |
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Inflorescences | racemes or panicles, of 1–15 whorls, floating or emersed, 1.5–28 × 1.5–15 cm; peduncles 15–47 cm; bracts distinct or connate less than ¼ total length, lanceolate to elliptic, 4–34 mm, delicate, not papillose; fruiting pedicels recurved, club-shaped, 0.5–4.2 cm. |
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Flowers | 2–5 cm diam.; sepals spreading in staminate, erect in pistillate, enclosing flower or fruiting head; filaments cylindric, longer than anthers, glabrous; pistillate pedicellate, with or without ring of sterile stamens. |
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Fruiting | heads 1.2–2.1 cm diam.; achenes oblanceoloid, not abaxially keeled, 2–4.3 × 0.7–1.5 mm, beaked; faces not tuberculate, wings absent, glands 1; beak lateral, horizontal, 0.4–0.8 mm. |
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Sagittaria montevidensis |
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Distribution |
AL; AR; CA; CO; CT; DE; FL; GA; IA; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; NC; NE; NH; NJ; NM; NY; OH; OK; PA; SC; SD; TN; TX; VA; WI; WV; NB; Mexico; South America
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Discussion | Subspecies 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 22. | ||||||||
Parent taxa | Alismataceae > Sagittaria | ||||||||
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Name authority | Chamisso & Schlechtendal: Linnaea 2: 156. (1827) | ||||||||
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