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Aponogeton elongatus Benth. subsp. elongatus Family Aponogetonaceae
Aponogeton elongatus subsp. elongatus Benth. APNI*

Synonyms: Aponogeton elongatus f. longifolius H.Bruggen APNI*

Description: Tuberous aquatic perennial with mainly submerged leaves and a few floating leaves.

Submerged leaves to 30 cm long and 4 cm wide; floating leaves with lamina narrow-elliptic, to 15 cm long, 2–4 cm wide, petiole to c. 1 m long, depending on water depth.

Inflorescence spicate, to 15 cm long. Flowers well spaced, yellow. Perianth segments 2, obovate, 1.5–2.5 mm long, 0.75–1.5 mm wide. Stamens c. 10, variable in number and apparently not all functional. Carpels 3.

Follicles 5 or 6, 5–6 mm long, with a lateral beak.


Herbarium
Sheet

Herbarium
Sheet

Flowering: in warmer months.

Distribution and occurrence: North from the Clarence R. district (NC); also Qld. Commonly grown as an aquarium plant.

Grows in rivers and streams with thick sediment, or floodplain billabongs, tubers can survive many years buried in sediment.
NSW subdivisions: NC
Other Australian states: Qld W.A. N.T.
AVH map***


The single subspecies in NSW. Characters and distribution as for the species in NSW.

APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.

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