pokeweed


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Related to pokeweed: Phytolacca americana, Poke salad

pokeweed

or

pokeberry,

tall, bushy perennial herb (Phytolacca americana) native to North America but cultivated and naturalized in Europe. The long clusters of white flowers are followed by purplish black flattened berries, whose crimson juice has been used as ink and to color wines but is considered poisonous. The dried roots are sometimes used as an emetic or purgative; the young shoots are used for greens or eaten like asparagus. The plant is also called poke, inkberry, and garget. Pokeweed is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Chenopodiales, family Phytolaccaceae.

pokeweed

[′pōk‚wēd]
(botany)
Phytolacca americana. A poisonous garden weed that is found throughout the United States but is native to the eastern and central areas. Symptoms of poisoning include an immediate burning bitter taste, salivation, vomiting, diarrhea, and possible shock.
References in periodicals archive ?
A similar study found that, of all the fruiting plant species available to birds on Block Island, fruits of northern arrowwood, northern bayberry, and American pokeweed predominated in fecal samples of a variety of migratory bird species (Parrish 1997).
pokeweed (Phytolacca americana), purslane (Portulaca oleracea), lamb's quarter (Chenopodium album), bassia (Bassia hyssopifolia), greasewood (Sarcobatus vermiculatus), pigweed (Amaranthus spp.
Decreases are seen in T-suppressor cells (B-cell effect), serum immunoglobulin G, pokeweed mitogen-stimulated cell responses, and anti-SRBC (sheep cell) suppressor activity.
Many lectins and carbohydrates are known to stimulate different cell types, such as PHA and Concanavalin A which stimulate T cells, pokeweed mitogen which stimulates B and T cells and LPS which stimulates B cells and monocytes (Janeway et al.
Result s of mitogen stimulation studies with phytohemagglutinin, pokeweed, and concanavalin A were all normal (Table 3).
We tested in vitro stimulation of lymphocytes using pokeweed mitogen (PWM; Gibco, Paisley, Scotland), concanavalin A (Con A; Pharmacia, Uppsala, Sweden), phytohemagglutinin (PHA; Wellcome, Dartford, UK), or OKT3 mAb (anti-CD3; Ortho) in three different concentrations.
It is difficult to believe, however, that pokeweed or calamus can make that claim in today's marketplace.
4,30] Hypnosis was also used to increase the subject's lymphocyte proliferative response to pokeweed mitogen.
American Pokeweed or Pokeberry; Floodplain woods; Infrequent; C = 0; BSUH 17486.
The effect of gut passage by two species of avian frugivore on seeds of pokeweed, Phytolacca americana.
The culture medium contained 5 [micro]g/ml concanavalin A (Con A), 10 [micro]g/ml phytohemagglutinin (PHA), or 5 [micro]g/ml pokeweed mitogen (PWM) to determine the lymphocyte response to mitogen stimulation.