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Nymphaea jacobsii
Species of water lily From Wikipedia, the free encyclopedia
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Nymphaea jacobsii is a species of waterlily endemic to Queensland, Australia.[2]
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Description
Vegetative characteristics
Nymphaea jacobsii is an annual or perennial aquatic plant with elongate to globose rhizomes. The broadly elliptic, 40 cm long, 35 cm wide, petiolate leaves have a dentate margin.[3]
Generative characteristics
The inodorous flowers extend up to 30 cm above the water surface. The sepals are 4.2–13 cm long, and 5.5 cm wide. The 12-24 white to deep blue, lanceolate petals are 1–11.5 cm long, and 2.5-5.5 cm wide. The androecium consists of 150-300 yellow stamens. The gynoecium consists of 12-25 carpels. The globose, 2.3–9 cm wide fruit bears numerous large, ovoid, 2.6–7 mm long and 2–3.5 mm wide seeds with 0.1-0.13 mm long trichomes.[3]
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Taxonomy
Publication
It was first described by Carl Barre Hellquist in 2011.[2]
Type specimen
The Type specimen was collected by S. W. L. Jacobs and C. B. Hellquist in Lake Powlanthanga, Queensland, Australia on the 12th of June 2007.[4][3]
Subspecies
Two subspecies, namely Nymphaea jacobsii subsp. jacobsii, and Nymphaea jacobsii subsp. toomba Hellq., have been described.[2][3]
Placement within Nymphaea
It is placed in Nymphaea subgenus Anecphya.[3]
Natural hybridisation
A natural hybrid of Nymphaea jacobsii and Nymphaea violacea has been described, but not named.[3]
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Etymology
It is named after Surrey Wilfrid Laurance Jacobs.[3]
Conservation
The NCA status of Nymphaea jacobsii is Special Least Concern (SL).[1]
Ecology
Habitat
It is found in lakes, and creeks.[3]
References
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