Sagittaria montevidensis subsp. spongiosa
Memoirs of the New York Botanical Garden 9: 198. 1955.
Common names: Tidal arrowhead
Endemic
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 00:55, 30 July 2020 by imported>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.
... more about "Sagittaria montevidensis subsp. spongiosa"
absent +
keeled;oblanceoloid +
0.7mm;1.5mm +
2-loculed +
dehiscing +
absent +
attenuate;hastate or sagittate +
horizontal +
lateral +
spatulate +
less than ¼ total length +
delicate +
connate +
shorter +
recurved +
not papillose +
Tidal arrowhead +
absent +
u--shaped +
absent +
not tuberculate +
pistillate +
longer +
glabrous +
cylindric +
pistillate +
hypogynous +
distal +
enclosing +
unisexual +
absent +
enclosing +
whorled +
emersed +
curved +
absent +
sheathing +
emersed +
basal +
absent +
sagittate;lanceolate +
longer +
translucent +
absent +
scapose +
whorled +
1.5cm;28cm +
erect +
starlike +
entire +
purple spot +
deciduous +
delicate +
triangular +
1-loculed +
distinct +
basal +
absent +
0;1500 +
parallel +
Memoirs of the New York Botanical Garden +
1955 +
scapose +
whorled +
erect +
convex +
equal +
absent +
longitudinal +
pedicellate +
septate +
milky +
mature +
persistent +
erect;spreading +
sculptured +
herbaceous;leathery +
Endemic +
distinct +
absent +
7;30 +
sterile +
absent +
terminal +
Sagittaria montevidensis subsp. spongiosa +
Sagittaria montevidensis +
subspecies +
low +
white;brown +
floating-leaved +
stranded +
annual +
1;4 +
absent +