| Common Name: | Yellow Loosestrife |
| Family: | Myrsinaceae |
| Genus: | Lysimachia |
| Species: | vulgaris |
| Classification/Rank: | very invasive |
| Method of Transportation: | |
| Habitat/Range: | • first treated in NWIPC area in 2013 in Mackenzie |
• Perennial herb; stems erect, solitary, simple or branched below, slightly if at all dotted with reddish or blackish spots, densely glandular-hairy, 60-150 cm tall.
• Basal leaves lacking; stem leaves opposite or in whorls of 3 or 4, lanceolate to narrowly elliptic, dotted with reddish or blackish spots, 3-10 cm long.
• Inflorescence branched, younger flowers borne at the tips, leafy-bracted; corollas uniformly yellow, 8-11 (13) mm wide, 5-lobed, the lobes entire; styles deciduous; filaments fused at the bases; sterile stamens lacking.
• Capsules, breaking into valves at dispersal; seeds few.
Land owners and managers have long recognized the need to control invasive plants to limit their impacts. In May 2018, a new smartphone app...
Bioagents are one tool in the fight against invasive plants, and they are intensly studied before release to ensure they won't switch to...
