[Madworts: The Genus Asperugo East of the Cascade Mountains of Oregon and Washington]

Catchweed, German-madwort, German Madwort, Madwort

Asperugo procumbens

Fruit of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens - Fruit and leaf of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Fruit and leaves of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens - Flower and leaves of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Leaves and flower of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens - Spiny fruit of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

German madwort observed along Dry Creek upstream from the Wenas Valley dispersed DNR campsites, Yakima County, WA......May 29, 2022.

Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

German madwort as seen along Rock Creek at the Escure Ranch, eastern Adams County, Washington..........May 14, 2011. A typical weed patch under a small tree is shown, with samples of Galium aparine and Anthriscus caucalis visible at the bottom corners of the photo.

Fruits of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens - Fruits of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Dorsal leaf surface of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Upper stem leaves and flower of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens - Ventral leaf surface of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Additional close-up photos of german madwort as seen along Rock Creek at the Escure Ranch, eastern Adams County, Washington..........May 14, 2011. Note the retrorse (down-curved hairs) hairs on the stems and leaf petioles.

Stem leaves and flowers of Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Catchweed, German-madwort, German Madwort, Madwort: Asperugo procumbens

Additional views of german madwort as seen on the path along the John Day River adjacent to the fairgrounds in John Day, Oregon..........June 2, 2011.

Paul Slichter