Downy hemp-nettle
StarGaleopsis segetum
Synonyms: Ladanum dubium, Galeopsis tetrahit var. cannabina, Galeopsis tetrahit subsp. grandiflora, Galeopsis ochroleuca var. versicolor, Galeopsis nepetifolia, Tetrahit longiflorum, Galeopsis ochroleuca, Galeopsis media, Galeopsis villosa, Dalanum segetum, Galeopsis segetum f. glabra, Galeopsis segetum var. aranensis, Ladanum luteum, Galeopsis conillii, Ladanella segetum, Ladanum ochroleucum, Galeopsis ladanum subsp. villosa, Galeopsis dubia, Galeopsis dubia var. nepetifolia, Galeopsis dubia var. brevifolia, Galeopsis elegans
Western Herbalism Properties
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Botanical Description
Galeopsis segetum, the downy hemp-nettle, is an erect annual herb of the Lamiaceae native to western and central Europe, where it occurs as a weed of arable fields, sandy fallows, and disturbed sandy soils. It grows 20-60 cm tall on simple or sparingly branched, four-angled stems that, unlike many other species in the genus, are uniformly slender (not swollen at the nodes) and densely clothed in soft, silky, downward-pointing hairs. The opposite leaves are ovate to lanceolate, 3-7 cm long, with coarsely toothed margins, a tapered base, and the same soft pubescence on both surfaces, giving the foliage a velvety appearance. Pale sulfur-yellow, two-lipped flowers 2-3 cm long are borne in dense whorls in the upper leaf axils through summer, the lower lip marked with darker yellow lines on the central lobe. Nutlets are small, ovoid, and triquetrous. The species is declining in much of its range owing to changes in arable practice.
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