Herbs or shrubs, usually growing in wet places. Stipules reduced or 0. Leaves alternate or opposite, mostly entire. Bracteoles conspicuous or 0, usually 2 at or near the base of the ovary. Hypanthium 0. Sepals 3-7, persistent in fruit. Petals yellow or 0. Fruit a capsule, dehiscing irregularly. Seeds without hairs.
Barcode of Life Data Systems (BOLD) Stats Specimen Records:116 Specimens with Sequences:108 Specimens with Barcodes:82 Species:30 Species With Barcodes:23 Public Records:46 Public Species:14 Public BINs:0
At current, there is much debate among botanists and plant taxonomists as to the classification of many Ludwigia species. Botanists from the US Department of Agriculture are currently doing genetic analyses on plants from the Western US and South America to better classify members of this genus.