Difference between revisions of "Sagittaria teres"
in A. Gray et al.,Manual of Botany of the Northern United States (ed. 6) 555. 1890.
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name=Sagittaria teres | name=Sagittaria teres | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V22/V22_2.xml |
|genus=Sagittaria | |genus=Sagittaria | ||
|species=Sagittaria teres | |species=Sagittaria teres | ||
Revision as of 19:56, 16 December 2019
Herbs, perennial, to 80 cm; rhizomes absent; stolons present; corms present. Leaves emersed or submersed, sessile, phyllodial, nearly terete; emersed, to 60 × 0.15–0.7 cm; submersed, 3.5–18.5 × 0.15–0.4 cm. Inflorescences racemes, of 1–4 whorls, emersed, 2.5–4 × 2.5–6 cm; peduncles 10–80 cm; bracts connate more than or equal to total length, subulate, 2–3 mm, delicate, not papillose; fruiting pedicels obliquely ascending, filiform, 1 cm. Flowers to 1.5 cm diam.; sepals recurved, not enclosing flower; filaments dilated, ± equaling anthers, pubescent; pistillate pedicellate, without ring of sterile stamens. Fruiting heads 0.6–1 cm diam.; achenes obovoid-cuneate, abaxially keeled, 2–3 × 1.2–1.5 mm, beaked; faces not tuberculate, wings absent, glands 1–2; beak erect to horizontal, 0.3–0.4 mm. 2n = 22.
Phenology: Flowering summer (Jul–Sep).
Habitat: Sandy pond shores and swamps of acid waters, mainly along Atlantic Coastal Plain
Elevation: 0–100 m
Distribution
Mass., N.J., N.Y., R.I.
Discussion
Selected References
None.