Nymphaea macrosperma | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Order: | Nymphaeales |
Family: | Nymphaeaceae |
Genus: | Nymphaea |
Subgenus: | Nymphaea subg. Anecphya |
Species: | N. macrosperma |
Binomial name | |
Nymphaea macrosperma | |
Synonyms [2] | |
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Nymphaea macrosperma is an annual or perennial, aquatic, rhizomatous herb in the family Nymphaeaceae [3] native to Australia [2] and New Guinea. [4] [2]
It is an annual [3] or perennial, [3] [5] aquatic, rhizomatous herb [3] with globular rhizomes without stolons. [6] The glabrous, [5] orbicular, elliptic [6] or suborbicular leaves [7] with a dentate margin [5] [8] are 17–38 cm long, and 15–31 cm wide. [5] The abaxial leaf surface has a strong midrib and 6 palmately arranged primary veins, which are reticulate towards the leaf margin. [7] The petioles are up to 2.5 m long, and 2-4 mm wide. [5]
The 6–7 cm wide, [7] diurnal flowers extend above the water surface. [8] The four [7] [6] oblong sepals with a rounded apex [7] are 25-55 mm long, and 9-25 mm wide. [5] The 10–18 [5] (–22) [6] white, blue, or purple, [5] oblanceolate to spathulate petals [6] have an obtuse apex. [5] There is a conspicuous gap between petals and stamens. [6] [7] The androecium consists of 150–200 stamens. The gynoecium consists of 10–13 carpels. [5] The 4 cm wide fruit [6] bears oblong to ovoid, [7] hairy, 3–4.5 mm long, and 2–3 mm wide seeds. [6]
It was published by Elmer Drew Merrill and Lily May Perry in 1942. [7] [2] In the same publication, the species was described a second time as Nymphaea dictyophlebiaMerr. & L.M.Perry, which is a synonym of Nymphaea macrospermaMerr. & L.M.Perry. [9] [2]
The type specimen was collected by LJ Brass in Lake Daviumbu, New Guinea (British New Guinea) in August 1936. [10]
It is placed in Nymphaea subgenus Anecphya. [11]
The specific epithet macrosperma means large-seeded. [12] [13]
It occurs in up to 2.5 m deep [5] stagnant or flowing water [3] in lagoons, [7] swamps, [5] [7] billabongs, and drainage channels on clay substrates. It can occur in slightly brackish water. [5]
The NCA status of Nymphaea macrosperma is Special Least Concern (SL). [1] Under the Biodiversity Conservation Act 2016, it is classified as Not threatend. [3]
The plant is a traditional Aboriginal bushfood. [14] The seeds are usually described as "sweet like a pea" and are eaten for lunch. [15]
Nymphaeaceae is a family of flowering plants, commonly called water lilies. They live as rhizomatous aquatic herbs in temperate and tropical climates around the world. The family contains five genera with about 70 known species. Water lilies are rooted in soil in bodies of water, with leaves and flowers floating on or rising from the surface. Leaves are oval and heart-shaped in Barclaya. Leaves are round, with a radial notch in Nymphaea and Nuphar, but fully circular in Victoria and Euryale.
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