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Aponogeton bernierianus is a tuberous aquatic plant from eastern Madagascar, grown for its dark green, strongly wavy strap-shaped leaves. It needs cool to moderate water, soft, slightly acidic conditions, and a seasonal rest period.
Aponogeton bernerianus is an aquatic plant from eastern Madagascar. It has a 3 cm thick tuber or thick and branchy rhizome. Leaf blade up to 13 cm petiolate, strap-shaped, highly bullate and undulate, up to 50(-120) cm long and 1.5-6.5(-10) cm wide, dark green coloration.
Peduncle up to 75 cm long, tapering towards the inflorescence. Spathe up to 15 mm long, caducous. Inflorescence with 3-15 up to 8-cm long spikes with omnilateral flowers; 2(3) white tepals; 6 stamens; 3(4) carpels with 2 ovules each. Fruit about 10 x 7 mm. Seed about 7x4 mm in size, simple testa (van Bruggen 1985).
The species grows in rivers and streams with more or less fast-flowing water, up to an altitude of 1,200 metres (3,900 ft) in shady or sunny locations. At one location near Andasibe (Madagascar), studied by the author, flowering plants grew during the dry season in 60 cm deep, clear water. Three months later, the water level at this location measured more than 1.7 m during the wet season (the plant's rest period). The water had turned loamy and turbid and the current was ripping. A locally conducted water analysis in January 1987 during the wet season resulted in a water temperature of 20.6 °C, a pH of 5.8, as well as a total and carbonate hardness reading of less than 1 °dH.
Aponogeton abyssinicus · Aponogeton azureus · Aponogeton boivinianus · Aponogeton capuronii · Crinkled Aponogeton · Cape pondweed · Aponogeton lakhonensis · Aponogeton longiplumulosus · Lace Plant · Drifting Sword Plant · Sehlabathebe Waterblommetjie · Aponogeton rigidifolius
Text excerpted from the Wikipedia article Aponogeton bernierianus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
