Nuphar orbiculata is a species of rhizomatous aquatic plant native to the US-American states Alabama, Florida, and Georgia.[1]

Nuphar orbiculata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nuphar
Species:
N. orbiculata
Binomial name
Nuphar orbiculata
Synonyms[1]
  • Nuphar advena subsp. orbiculata (Small) Padgett
  • Nuphar lutea subsp. orbiculata (Small) Beal
  • Nymphaea orbiculata Small
  • Nymphozanthus orbiculatus (Small) Fernald
  • Nuphar bombycina (G.S.Mill. & Standl.) Standl.
  • Nymphaea bombycina G.S.Mill. & Standl.
  • Nymphozanthus bombycinus (G.S.Mill. & Standl.) Fernald

Description

edit

Vegetative characteristics

edit

Nuphar orbiculata is a herbaceous, perennial, aquatic plant.[2][3] The rhizomes are 7-8 cm wide.[4] The petiolate, bright green, orbicular leaves[3] are 20-45 cm long, and 20-45 cm wide.[4] The abaxial surface is pubescent. The petioles are pubescent.[3]

Generative characteristics

edit

The flowers are 6 cm wide. The oblong-obovate sepals are 5 cm long. The stigmatic disk is 2 cm wide. The subglobose, 4-5 cm wide fruit bears ovoid, 4.5 mm long, ridged seeds.[3]

Reproduction

edit

Generative reproduction

edit

Flowering and fruiting occurs in July.[3]

Taxonomy

edit

Publication

edit

It was first described as Nymphaea orbiculata Small by John Kunkel Small in 1896. Later, it was included in the genus Nuphar Sm. as Nuphar orbiculata (Small) Standl. published by Paul Carpenter Standley in 1931.[1]

Etymology

edit

The specific epithet orbiculata means round or disc-shaped.[5][6][7]

Conservation

edit

It is vulnerable.[8]

Ecology

edit

Habitat

edit

It occurs in stagnant waters of blackwater rivers, streams, lakes,[8] and acidic lime sink ponds.[2]

References

edit
  1. ^ a b c d "Nuphar orbiculata (Small) Standl". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 January 2024.
  2. ^ a b Nuphar orbiculata - Species Page - APA: Alabama Plant Atlas. (n.d.). Retrieved January 19, 2024, from http://www.floraofalabama.org/Plant.aspx?id=2703
  3. ^ a b c d e Small, J. K. (1896). Studies in the Botany of the Southeastern United States.-V. Bulletin of the Torrey Botanical Club, 23(4). http://www.biodiversitylibrary.org/openurl?ctx_ver=Z39.88-2004&rft_id=http://www.biodiversitylibrary.org/page/711509&rft_val_fmt=info:ofi/fmt:kev:mtx:book&url_ver=z39.88-2004
  4. ^ a b Nuphar orbiculata in Flora of North America @ efloras.org. (n.d.). Retrieved January 19, 2024, from http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=233500816
  5. ^ Burnham, R. J. (2013, May 29). Celastrus orbiculatus | CLIMBERS. Retrieved January 19, 2024, from https://climbers.lsa.umich.edu/celastrus-orbiculatus/
  6. ^ Cotyledon orbiculata | PlantZAfrica. (n.d.). Retrieved January 19, 2024, from https://pza.sanbi.org/cotyledon-orbiculata
  7. ^ Bayton, R. (2020). Practical Uses of Botanical Latin. In The Gardener's Botanical: An Encyclopedia of Latin Plant Names - with More than 5,000 Entries (pp. 22-318). Princeton: Princeton University Press. https://doi.org/10.1515/9780691209135-007
  8. ^ a b Nuphar orbiculata Aquatic Vegetation. (n.d.). NatureServe. Retrieved January 19, 2024, from https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.688105/Nuphar_orbiculata_Aquatic_Vegetation