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Polygonum hydropiper L.

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Names_Plants record source
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Polygonum hydropiper L., Sp. Pl. 361 (1753)

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L.
L.
1753
361
ICN
Polygonum hydropiper L.
species
Polygonum hydropiper

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hydropiper

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Polygonum hydropiper L.

Almost glabrous annual herb; stems erect or suberect, to c. 75 cm tall, often reddish; roots rather slender. Lvs on main stem similar to those on branches, subsessile or shortly petiolate. Lamina 1-12 × 0.3-2 cm, lanceolate or linear-lanceolate, bright or deep green, with small translucent glandular dots; margins ciliolate and ± undulate; base cuneate to attenuate; apex obtuse to acuminate. Ochreae to 2 cm long, reddish brown, truncate, with 0-few fringing bristles, ± flared at upper nodes. Racemes slender, spike-like, to c. 7 cm long, at least partly curving downwards, the lower fls often distant; pedicels short, enclosed by bracts at anthesis, later protruding. Perianth 1.5-3 mm long, prominently dotted with brownish glands, usually pink or rose, rarely white, accrescent; segments ± broad-elliptic, strongly imbricate. Nut 2.5-3 mm long, trigonous or biconvex, dark brown or black, finely granular and appearing dull to moderately shining.

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Polygonum hydropiper L.
Polygonum hydropiper L.
Polygonum hydropiper L.
Polygonum hydropiper L.
Polygonum hydropiper L.
Polygonum hydropiper L.
Polygonum hydropiper L.

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Polygonum hydropiper L.
[Not available]

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e256d391-dc8a-49f1-9503-50665671f856
scientific name
Names_Plants
1 January 2000
9 October 2007
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