Difference between revisions of "Nuphar ulvacea"
Publ. Field Columbian Mus., Bot. Ser. 8: 311. 1931 (as ulvaceum).
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|name=Nymphaea ulvacea | |name=Nymphaea ulvacea | ||
|authority=G. S. Miller & Standley | |authority=G. S. Miller & Standley | ||
| + | |rank=species | ||
|publication_title=Contr. U.S. Natl. Herb. | |publication_title=Contr. U.S. Natl. Herb. | ||
|publication_place=16: 97. 1912 | |publication_place=16: 97. 1912 | ||
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|name=Nuphar lutea subsp. ulvacea | |name=Nuphar lutea subsp. ulvacea | ||
|authority=(G. S. Miller and Standley) E. O. Beal | |authority=(G. S. Miller and Standley) E. O. Beal | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Nymphaeaceae;Nuphar;Nuphar ulvacea | |hierarchy=Nymphaeaceae;Nuphar;Nuphar ulvacea | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Nuphar ulvacea | name=Nuphar ulvacea | ||
| − | |||
|authority=(G. S. Miller & Standley) Standley | |authority=(G. S. Miller & Standley) Standley | ||
|rank=species | |rank=species | ||
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|publication year= | |publication year= | ||
|special status=Conservation concern;Endemic | |special status=Conservation concern;Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_585.xml |
|genus=Nuphar | |genus=Nuphar | ||
|species=Nuphar ulvacea | |species=Nuphar ulvacea | ||
Latest revision as of 21:49, 5 November 2020
Rhizomes 2-5 cm diam. Leaves floating or submersed; petiole terete. Leaf blade abaxially and adaxially green, lanceolate to ovate, 15-25 × 8-10 cm, ca. 2.5 times as long as wide, sinus less than 1/3 length of midrib, lobes often overlapping; surfaces glabrous. Flowers 2-3 cm diam.; sepals 6-9, abaxially green to adaxially yellow toward base; petals oblong, thick; anthers 2-5 mm, slightly longer than filaments. Fruit green, nearly globose, 1.5-2.5 × 1.5-2.5 cm, strongly ribbed, slightly constricted below stigmatic disk; stigmatic disk green, 11-18 mm diam., undulate; stigmatic rays 9-16, ± elliptic, terminating within 1 mm from margin of disk. Seeds 3.5-4 mm.
Phenology: Flowering spring–early fall.
Habitat: Blackwater rivers and streams
Elevation: 0-100 m
Discussion
Of conservation concern.
Nuphar ulvacea is probably better treated as a subspecies. Gulf coast plants intermediate between N. ulvacea and N. advena, which have been treated as Nymphaea [Nuphar] chartacea, are treated under N. advena.
Selected References
None.