|Common Name:||Yellow floating heart|
|Method of Transportation:|
• aquatic perennial with stout, whitish rhizomes buried in the substratum.
• roots white, thick and fleshy, arising from the rhizome and adventiously at the stem nodes.
• procumbent green stems up to 3 m long produced horizontal to the substratum bearing 1 leaf and usually 4-5 adventitious roots per node and giving rise to either a branch, or a vertical flowering stem in leaf axil.
• leaves heart-shaped with entire and slightly wavy margins, somewhat leathery; glabrous and green or purple-blotched above, green or often purplish with dense, darkish glandular spots beneath.
• flowers in axillary clusters of 2-5, 5-pettaled, golden yellow, up to 4.5 cm across, petals joined at base, obovate, apically rounded to emarginate, margins wavy to slightly ruffled and bears a short, irregular fringe.
First reported in 2013 in Lake Seymour near Smithers.
Bioagents are one tool in the fight against invasive plants, and they are intensly studied before release to ensure they won't switch to...