Nuphar ozarkana
From Wikipedia, the free encyclopedia
| Nuphar ozarkana | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nuphar |
| Section: | Nuphar sect. Astylus |
| Species: | N. ozarkana |
| Binomial name | |
| Nuphar ozarkana (G.S.Mill. & Standl.) Standl.[1] | |
| Synonyms[1] | |
| |
Nuphar ozarkana is a species of aquatic plant native to the US-American states Arkansas, Missouri, and Oklahoma.[1]
Vegetative characteristics
Nuphar ozarkana is an aquatic species with a slender rhizome. The leaves mostly float, but they can also be erect. The petiolate, orbicular to oblong, smooth, glabrous, yellowish green leaves are 12-20 cm long, and 7-19 cm wide. The terete, glabrous petioles are 3-11 mm wide.[2]
Generative characteristics
The pedunculate, yellow, 30 mm wide flowers have stout, glabrous peduncles. The thin, glabrous sepals are green, but display yellow colouration towards the apex. The smooth, subglobose, 15-25 mm long, and 14-20 mm wide fruit bears 15-30 ovoid, shiny, pale brown 5 mm long, and 3.5 mm wide seeds.[2] The flowers are not fragrant.[3]
Reproduction
Generative reproduction
This species has an outstandingly low number of seeds per fruit.[2]
Taxonomy
Publication
It was first described as Nymphaea ozarkana G.S.Mill. & Standl. by Gerrit Smith Miller Jr. and Paul Carpenter Standley in 1912. Later, it was included in the genus Nuphar Sm. as Nuphar ozarkana (G.S.Mill. & Standl.) Standl. published by Paul Carpenter Standley in 1931.[1]
Type specimen
The type specimen was collected by Otto M. Smith along White River in Southern Missouri in August 1910.[2]