Common name: Sago Pondweed, Fennel Pondweed
Stuckenia pectinata (L.) Borner APNI* Synonyms: Potamogeton pectinatus L. APNI*
Description: Submerged rhizomatous aquatic perennial with a vigorous rhizome system that penetrates mud to c. 1 m and produces numerous fleshy root tubers; stems to c. 3 m long, usually much branched; turions not recorded.
Leaves narrow-linear, to 17 cm long and 2 mm wide, apex mucronate to acute, margins entire; joined to a loose stipular sheath that ± surrounds the stem, upper portion of the sheath forming a distinctive, stem-clasping ligule 3–15 mm long.
Inflorescence an erect or lax spike, emergent, ± floating or remaining submerged, to 5 cm long, interrupted with the flowers in small globose groups of 2–6.
Nutlets 3–4.5 mm long, ± globose and laterally compressed, smooth, and with a very short beak.
Flowering: spring–autumn.
Distribution and occurrence: Usually grows in slightly saline to saline stationary water to c. 4 m deep.
NSW subdivisions: NC, CC, SC, CWS, NWP, SWP, SFWP
Other Australian states: Qld Vic. Tas. W.A. S.A.
Text by S. W. L. Jacobs & S. Papassotiriou (1993); Papassotiriou et al. (2011)
Taxon concept: Flora of NSW 4 (1993), as Potamogeton pectinatus
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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