Sagittaria montevidensis subsp. spongiosa
Memoirs of the New York Botanical Garden 9: 198. 1955.
Common names: Tidal arrowhead
Basionym: Sagittaria calycina var. spongiosa Engelmann in A. Gray, Manual ed. 5, 493. 1867
Synonyms: Lophotocarpus spongiosus (J. G. Smith) Buchenau Sagittaria spatulata
Treatment appears in FNA Volume 22.
Revision as of 20:59, 16 December 2019 by FNA>Volume Importer
Herbs, annual, often stranded by low tide. Leaves emersed, sessile, phyllodial, lanceolate, or petiolate with blade spatulate, rarely sagittate. Inflorescences of 1–4 whorls, emersed; bracts connate. Flowers: pistillate with ring of sterile stamens; petals without purple spot at base. 2n = 22.
Phenology: Flowering summer–fall (Jul–Oct).
Habitat: Brackish to freshwater tidal mud flats and salt marshes
Elevation: 0–5 m
Distribution
N.B., Conn., Del., Maine, Md., Mass., N.H., N.J., N.Y., Pa.
Discussion
Selected References
None.
Lower Taxa
None.