The Laburnum Vendor COB was created by the late SteerPike. It is classified as a Vendor, and dispenses Laburnum weed sprigs that will make a creature ill after eating one.
The Laburnum Vendor uses the class numbers:
Laburnum is a real plant (a genus of two species of small tree), and all parts of it are poisonous. Despite being poisonous, some Lepidoptera larvae use it as a food plant.