The Collaborative International Dictionary
Lousewort \Louse"wort`\, n. (Bot.) Any species of Pedicularis, a genus of perennial herbs. It was said to make sheep that fed on it lousy.
Yellow lousewort, a plant of the genus Rhinanthus.
Wiktionary
n. (context botany English) Any of very many semiparasitic flowering plants, of the genus (taxlink Pedicularis genus noshow=1), related to (vern: wood betony).
Usage examples of "lousewort".
I know of: a wild flower, the Furbish lousewort, and the Microdipodops, otherwise known as the kangaroo mouse.
Tunipah development is allowed to proceed, expediency will doom the Furbish lousewort and the Microdipodops, and much else besides.
John River in Maine, was halted by the discovery of the Furbish lousewort, a plant previously believed to be extinct.
We must halt human development so that the Furbish lousewort can be fruitful and multiply, but humans are multiplying too much and threatening the biosphere of the Furbish lousewort.
And there was plenty to eat now: grass, coltsfoot, mountain sorrel, lousewort, sedge, dwarf birch.
The flowers of the tundra opened: white mountain avens, yellow poppies, white heather, crimson, yellow, red, white and purple saxifrage, lousewort, pink primulas, even the orange marigolds.
We can never be sure in advance which rain forest plant or animal will turn out to be the one that cures a terrible disease, and our scientific foundations for choosing which languages to protect are far shakier than those provided for snail-darters and louseworts by the biological sciences.
The very plants were unknown to them--pink lousewort with its sprays of hooked flowers, bog asphodel and the thin-stemmed blooms of the sundews, rising above their hairy, fly-catching mouths, all shut fast by night.
Underbrush was scantier, and trees larger, than near Sybil Brown's cottage, and the mossy groundcover, which had been cheerfully sprinkled with dogwood and saxifrage near the wizard's castle, began more and more to sprout mugwort, lousewort, fly-specked orchia, skunk cabbage, wax flowers and the deceptively demure pink bell-like blossoms of poisonous bog rosemary.
The trucks will be standing in the middle of a field or a forest, and there will be lousewort and ladies' slipper growing where their tires used to be.