PlantNET Home PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
HerbLink (Type Images)
WeedAlert
Other PlantNET Sites
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Aponogeton queenslandicus H.Bruggen
Family Aponogetonaceae
Aponogeton queenslandicus H.Bruggen APNI*

Description: Rooted, submerged and floating, perennial aquatic. Tubers 1–5 cm long, 1.8–2.6 cm wide, extremely strigose.

Leaves submersed and floating; submersed blades uncommon, elliptic to lanceolate, green, 10–13(–70) cm long, 2.9–4.5 cm wide; margins flat; base obtuse, attenuate, or truncate; apex obtuse; 7–9-veined; 0–1 row of lacunae on each side of midvein; petiole to 15 cm long. Floating leaves ovate or elliptic, 2.8–14(–27) cm long, 0.6–4.3 cm wide; light green to green, base mostly cordate, rarely truncate or cuneate; apex obtuse, mucronulate, acuminate, rarely emarginate; 7–9-veined; petiole to 66 cm long. Peduncle to 30(–73) cm long; 1.8–2.5 mm wide at base often only slightly broadening or to 2–4.5 mm wide at base of inflorescence.

Spathe to 1.5 cm long, caducous. Inflorescence yellow, emergent or floating, single, usually tightly-flowered; rachis 15–27(–45) mm wide. Flowers turned in all directions. Perianth segments 2, spathulate, 1-veined, 1.4–2 mm long, 0.5–1 mm wide. Stamens 6, up to 3 mm long, slightly broader at base. Carpels (2–)3(–4). Infructescence dense.

Fruit 2.5–4.5 mm long, 2.3–3 mm wide, with a terminal, often curved beak. Seeds narrowly elliptic, 4–13 per fruit, 1.7–3 mm long, 0.6–1 mm wide, with a double testa; outer testa loose, transparent and reticulate, inner testa brown and close fitting.


Distribution and occurrence: Known from one reserve in NW NSW (FNWP); also in northeast Northern Territory and Queensland south of Cape York Peninsula.

Waterbodies.
NSW subdivisions: NFWP
Other Australian states: Qld N.T.
Threatened species: NSW TSCA: Endangered
AVH map***

Text by S.W.L. Jacobs
Taxon concept: C.B. Hellquist and S.W.L. Jacobs (1998) Telopea 8: 14-15.


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.
  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET