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Any of several plants of the genus Impatiens having yellowish spurred flowers and five-valved seedpods that burst if touched when ripe. Also called touch-me-not.

[Perhaps from the fact that dew and rainwater collect in jewellike beads on their water-repellent leaves.]


(Botany) botany any plant of the genus Impatiens


(ˈdʒu əlˌwid)

any of several plants belonging to the genus Impatiens, of the balsam family, having yellow spurred flowers and a seedpod that bursts to the touch when ripe.
[1810–20, Amer.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.jewelweed - North American annual plant with usually yellow or orange flowersjewelweed - North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
genus Impatiens - annual or perennial herbs with stems more or less succulent; cosmopolitan except for South America, Australia, and New Zealand
References in periodicals archive ?
Based on these studies, Zanfel, a mixture of alcohol-soluble and anionic surfactant, may be somewhat effective, but pimecrolimus and jewelweed extract were no more effective than placebo.
There are several homeopathic remedies out there, some with jewelweed which is supposedly the antidote.
scarlet beebalm (Monarda didyma), pale jewelweed (Impatiens pallida), foamflower (Tiarella cordifolia), white wood aster (Eurybia divaricala), and green-headed coneflower (Rudbeckia laciniata; Appendix 1).
The jewelweed has special oils in it that can ease poison ivy.
Based on seasonal availability, plants could include: Wild Geranium, Large Beard-tongue, Foxglove Beardtongue, Fall Phlox, Sweet William, Creeping Phlox, Turk's Cap Lily, Swamp Milkweed (to host Monarch butterflies), New England aster, Switchgrass, Big Bluestem grass, Black-eyed Susan, Jewelweed, Woolly Ragwort, Blue Waxweed, Purple Tridens grass, spearmint, peppermint, oregano, and sage.
Stems of wild impatiens (Impatiens capensis), also known as touch-me-nots or jewelweed, contain a gel similar to aloe, which can also soothe poison rash.
milkweed Asclepias Green milkweed Clinebell II viridis Walter 2003 Asteraceae Taraxacum Common Norden 1984 officinale dandelion Wiggers Balsaminaceae Impatiens Jewelweed Norden 1984 pallida Nutt.
In jewelweed exogenous application of ABA affected water use efficiency and more increase in water use efficiency was observed in drought plants than that of well-watered plants (Heschel and Hausmann, 2001).
As we entered the marsh, we were greeted by a host of bright colors: orange jewelweed, groundnuts blooming in purple, white turtlehead, blue-eyed grass and dozens of shades of green from the trees and vines lining the boardwalk One sharp-eyed member of the group spotted a black rat snake moving just off the trail.
Efforts have gone toward restoring native plants to encourage biodiversity and fight the effects of invasive species such as the purple jewelweed that populates the banks in bunches of purple flowers and the wild cucumber vines that creep onto vulnerable young trees, smothering them.
So as a first-year assistant professor at Oberlin College, I conducted an experiment with my students on nectar dispersion in jewelweed, and the "lab report" I wrote up, mirroring what they did for a grade, was published in a peer-reviewed journal, thrilling the class since they played a role.
But there is no scientific evidence that jewelweed, feverfew, plantain or other herbal remedies prevent or cure a urushiol-induced rash.