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Related to groundsel: groundsel bush, groundsel tree, golden groundsel, marsh elder, sow thistle, Senecio vulgaris
ground·sel 1(ground′səl, groun′-)
Any of various plants in the composite family, chiefly of the genera Senecio and Packera, having rayed, usually yellow flower heads.
[Middle English groundeswille, from Old English grundeswylige, alteration (influenced by grund, ground) of gundeswilge : gund, pus + swelgan, to swallow (from its use in reducing abscesses); see swel- in Indo-European roots.]
ground·sel 2(ground′səl, groun′-)
Variant of groundsill.
1. (Plants) any of certain plants of the genus Senecio, esp S. vulgaris, a Eurasian weed with heads of small yellow flowers: family Asteraceae (composites). See also ragwort
2. (Plants) groundsel tree a shrub, Baccharis halimifolia, of E North America, with white plumelike fruits: family Asteraceae
[Old English grundeswelge, changed from gundeswilge, from gund pus + swelgan to swallow; after its use in poultices on abscesses]
any composite plant of the genus Senecio, esp. S. vulgaris, a common weed having clusters of small yellow flowers.
[before 900; Old English grundeswelge, gundeswelge; compare Old English gund pus, swelgan to swallow, absorb (from its use in medicine)]