Bulbous water lily
| Bulbous water lily | ||||||||||||
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Bulbous water lily ( Nymphaea tuberosa ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Nymphaea tuberosa | ||||||||||||
| Paine |
The tuber water lily ( Nymphaea tuberosa ) is a species of water lily ( Nymphaea ) in the family of the water lily plants (Nymphaeaceae). Some authors also call it the subspecies Nymphaea odorata subsp. tuberosa (Paine) Wiersma & Hellquist viewed from Nymphaea odorata .
description
The tuber water lily is a perennial herbaceous plant . This aquatic plant grows in water depths of more than 40 centimeters. The rhizome has bulbous and easily detaching side shoots. The leaf stalk often has brown-red longitudinal stripes. The floating leaf blade has a diameter of 12 to 38 centimeters, is green on the underside and has pointed basal lobes.
The single standing, hermaphrodite flower has a diameter of 10 to 23 centimeters and swims or protrudes up to 15 centimeters from the water. There are about 20 petals . The scar disc has about 14 rays.
The flowering period extends from June to August.
Occurrence
The tuber water lily occurs in warm temperate to temperate eastern and central North America in lakes, ponds and slowly flowing waters at altitudes of 100 to 400 meters. It is distributed from the Canadian provinces of Ontario , Quebec and Manitoba to the northeast to north-central USA.
use
The tuber water lily is rarely used as an ornamental plant in garden ponds. It is believed to have been in culture since 1865. There are several varieties.
literature
- Eckehart J. Jäger, Friedrich Ebel, Peter Hanelt, Gerd K. Müller (eds.): Rothmaler excursion flora from Germany. Volume 5: Herbaceous ornamental and useful plants . Spectrum Academic Publishing House, Berlin Heidelberg 2008, ISBN 978-3-8274-0918-8 .