Potamogeton suboblongus Hagstr.
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Potamogeton suboblongus Hagstr. (1916)
Potamogeton suboblongus Hagstr.
Nomenclature
Hagstr.
Hagstr.
1916
ICN
Potamogeton suboblongus Hagstr.
species
Potamogeton suboblongus
Classification
Vernacular names
Descriptions
Potamogeton suboblongus Hagstr.
Leaves mostly floating, long- or short-petiolate, mostly broad-elliptic and subacute, longitudinal nerves (11)-13-21. Spike 1-2 cm long, dense. Achenes swollen, not obviously keeled, often reddish.
Potamogeton suboblongus Hagstr.
Rhizome little-branched, us. buried in firm mud; lfy branches erect, us. simple, long or short, often rooted at lf-bearing nodes. Stipules c. 2–3 cm. long, free, open, membr. and often conspicuous. Lvs entire; lower lvs apparently not regularly submersed and not clearly distinct from upper lvs though often more narrowly elliptic and with fewer, more obscure nerves; upper lvs long- or short-petiolate, lamina 1.5–6 × 0.8–3.5 cm., broad-elliptic or occ. oval, subacute and sts shortly attenuate at tip, firm and opaque, longitudinal nerves (11)–13–21 in all, us. several laterals emerging from midrib. Peduncles arising in axils of upper lvs, simple, stout, erect, standing well above lvs. Spike 1–2 cm. long, dense. Achene c. 2 × 1.5 mm., neither flattened nor strongly keeled, beak short but slightly curved, ± red when ripe.
Taxonomic concepts
Potamogeton natans sensu New Zealand Botanists
Potamogeton suboblongus Hagstr.
Potamogeton natans sensu New Zealand Botanists
Potamogeton suboblongus Hagstr.
Potamogeton polygonifolius sensu Cheeseman
Potamogeton suboblongus Hagstr.
Potamogeton suboblongus Hagstr.
Potamogeton suboblongus Hagstr.
Potamogeton suboblongus Hagstr.
Potamogeton suboblongus Hagstr.
Potamogeton suboblongus Hagstr.
Potamogeton suboblongus Hagstr.
Collections
Metadata
c6d42ac5-58c1-4b01-9f79-8437723c01bf
scientific name
Names_Plants
1 January 2000
26 November 2002