Persicaria


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Persicaria

plant genus in the Polygonaceae family; contains an unidentified hepatotoxin which causes hepatitis and photosensitive dermatitis; includes P. hydropiper (willow weed), P. lapathifolia, P. maculosa (P. vulgaris), P. orientalis. Called also smart weeds.
References in periodicals archive ?
Green vegetables such as Macaranga barteri, Ludwigia octovalis, Lycopodium cernuum, Vigna gracilis, Persicaria decipiens, Alternanthera sessilis, and Clausena anisata and artisanal materials as Calamus deerratus, Smilax anceps were recorded only in the lowest pressure stand.
Among the more conservative species present in this unit, that were lacking elsewhere at Eagle Marsh, were Actaea pachypoda, Amphicarpaea bracteata, Arisaema dracontium, Carex conjuncta, Dryopteris carthusiana, Galium triflorum, Lindera benzoin, and Persicaria arifolia.
This research will enable Stony Creek Colors to produce an improved bio-based specialty chemical derived from the renewable, abundant plant-material of the indigo crop, Persicaria tinctoria.
Stanslas, "Ethnobotanical, phytochemical, pharmacological, and toxicological aspects of Persicaria hydropiper (L.
In relation to the latter, it has been found mainly on river bar therophyte communities of the Bidenti frondosae-Polygonetum lapathifolii provisional association (Campos, 2010), which are dominated by other Persicaria species, especially P.
In vivo and in vitro anti-inflammatory activities of Persicaria chinensis methanolic extract targeting Src/Syk/NF-[kappa]B," Journal of Ethnopharmacology, vol.
California spineflower Persicaria hydropiperoides (Michx.
5) Polygodial is a component also of various other plants found throughout the world, including Persicaria hydropiper (water pepper), a popular spice in traditional Japanese cuisine (6) and in the bark of the South American tree Drimys winteri (Winters Bark), used by the British sailor John Winter in the 16th century and later by Captain James Cook and his crew in the South Pacific, to treat scurvy.
Alatae, produced in the second and third generations, are grayish-green with a black head and thorax, dark antennae, legs and siphunculi and a large quadrate dark green patch on the dorsal abdomen; they migrate to various Polygonum and Persicaria spp.
pseudopodzolic soils--Viola arvensis, Scleranthus annuus, Raphanus raphanistrum and drained podzolic gley-soils--Ranunculus repens, Polygonum persicaria, Juncus sp.