Dodders are easily recognized by the yellow-orange stems that look like a tangle of thread. They have no leaves. Dodders are parasitic plants; they attach to a host plant and suck nutrients from it.
Haustorium " In parasitic plants, a specialized outgrowth of a stem or root, serving for the absorption of food, as in the dodders. Head " A dense, compact cluster of mostly sessile flowers.
Culpepper tells us: 'All Dodders are under Saturn. We confess Thyme is of the hottest herb it usually grows upon, and therefore that which grows upon thyme is hotter than that which grows upon colder herbs; ...
Light: Dodders seem to grow most vigorously in full sun.
Moisture: Moisture requirements vary according to host plant. Some species grow in marshes, others in arid brushlands.
Hardiness: USDA Zones 4 - 11.
Tasmanian dodder (Cuscuta tasmanica), one of the similar native dodders (Photo: Greg Jordan)
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Tasmanian dodder (Cuscuta tasmanica), one of the similar native dodders (Photo: Greg Jordan) ...
Species of Ipomaea (morning glory), Convolvulus and Calystegia are cultivated as ornamental plants. Convolvulus arvensis (bindweed) is a pest in fields and gardens on account of its wide-spreading underground stem, and many of the dodders (Cuscuta) ...
The dodders (genus Cuscuta, usually classified as a separate family) are common leafless, parasitic vines that often resemble bright orange threads. Each of the widely distributed species parasitizes a specific host; C.
 See also: Orange, Medic, Potato, Flax, Morning Glory
  
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