Cuscuta gronovii plant. By Arthur Haines. Copyright © 2018. New England Wild Flower Society. gobotany.newenglandwild.org (Accessed 2/2018).
Cuscuta is a genus of annual parasitic twining vines lacking chlorophyll. Stems yellow, orange or white. Small initial terrestrial root system degenerating as stems develop invasive haustoria that parasitize the host plant.
Cuscuta pentagona stems and leaves. 2014 © Peter M. Dziuk. Minnesota Wildflowers. minnesotawildflowers.info (Accessed 2/2018).
Leaves alternate, reduced to scales.
Cuscuta gronovii flowers and developing fruit. By Arthur Haines. Copyright © 2018. New England Wild Flower Society. gobotany.newenglandwild.org (Accessed 2/018).
Flowers white, small, radially symmetrical, calyx and corolla 4-5 parted; inflorescences of 1-many flowers, along sides of stems (lateral).
Cuscuta gronovii fruit capsules. By Julia Scher. Copyright © 2018 CC BY-NC 3.0. Bugwood – www.bugwood.org (Accessed 2/2018).
Fruit becoming dry, a hollow, a rounded capsule with 1-4 seeds.