Sagittaria subulata

(Linnaeus) Buchenau

Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen 2: 490. 1871.

Basionym: Alisma subulatum Linnaeus Sp. Pl. 1: 343. 1753 (as subulata)
Synonyms: Sagittaria lorata (Chapman) Small Sagittaria subulata var. natans (Michaux) J. G. Smith
Treatment appears in FNA Volume 22.

Herbs, perennial, to 40 cm, on tidal muds; rhizomes absent; stolons present; corms present. Leaves submersed, phyllodial, lenticular, 5–40 ´ 0.1–0.4 cm, or rarely floating; petiole terete, 2.4–4 cm; blade linear-lanceolate to ovate, 1–2.5 ´ 0.3–1.5 cm. Inflorescences racemes, of 2–7 whorls, floating, 2–11 ´ 1.5–4.5 cm; peduncles 5–40 cm; bracts connate more than ¼ total length, subulate, 1.5–4.2 mm, delicate, not papillose; fruiting pedicels recurved, cylindric to club-shaped, 0.2–1.1 cm. Flowers 0.4–1.2 cm diam.; sepals spreading to recurved in staminate, erect in pistillate, enclosing flower or fruiting head; filaments dilated, longer than anther, glabrous; pistillate pedicellate, occasionally with ring of sterile stamens. Fruiting heads 0.55–0.8 cm diam.; achenes oblanceoloid, abaxially keeled, 2 ´ 1.5 mm, beaked; faces not tuberculate, wings 1–2, crenate, glands 0–1; beak lateral, erect, 0.2–0.4 mm. 2n = 22.

Phenology: Flowering summer–fall.
Habitat: Streams and brackish bays
Elevation: 0–100 m


V22 479-distribution-map.jpg

Ala., Conn., Del., D.C., Fla., Ga., Md., Mass., Miss., N.J., N.Y., N.C., Pa., R.I., S.C., Va., South America (Colombia).


Sagittaria subulata occurs in shallow brackish waters near the coast. The plants are especially common in areas that are exposed during low tides.

Selected References


Lower Taxa

... more about "Sagittaria subulata"
Robert R. Haynes +  and C. Barre Hellquist +
(Linnaeus) Buchenau +
Alisma subulatum +
Ala. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Md. +, Mass. +, Miss. +, N.J. +, N.Y. +, N.C. +, Pa. +, R.I. +, S.C. +, Va. +  and South America (Colombia). +
0–100 m +
Streams and brackish bays +
Flowering summer–fall. +
Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen +
Sagittaria lorata +  and Sagittaria subulata var. natans +
Sagittaria subulata +
Sagittaria +
species +