Common name: Broadleaf Cumbungi
Typha orientalis C.Presl APNI*
Description: Robust, emergent monoecious aquatic perennial to 4 m high; rhizomes to c. 20 mm diam.; stems to 20 mm diam.
Leaves with blade to 2 m long, to 30 mm wide.
Upper leaves with sheath of the 2–4 uppermost leaves usually distinctly auriculate. Inflorescence with male and female spikes separated by 0–5 cm. Mature female spikes 8–30 cm long, 10–40 mm diam., chestnut to brown; floral bracts few or apparently absent, narrow-spathulate (usually 3 or 4 cells across); stigmas narrow-obovate, acuminate, markedly concave transversely, not fleshy. Male spike 10–30 cm long, 5–15 mm diam.; pollen shed as single grains.
Flowering: during warmer months.
Distribution and occurrence: Grows in swamps, margins of lakes and streams, irrigation channels and drains; widespread.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, SWP, SFWP
Other Australian states: Qld Vic. Tas. W.A. S.A. N.T.
The rhizome of this species is more robust than in T. domingensis. T. orientalis is not as salt-tolerant as T. domingensis and is often a problem in irrigation channels.
Text by S. W. L. Jacobs
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
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