Vinca

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Vinca

(vĭn′kă)
A genus of herbs including periwinkles, from which vincristine and vinblastine are obtained.
References in periodicals archive ?
Vincas are purple flowers a green foliage that Other tap roots, such as plantain and dock, need to be dug up down completely by hand - a job that's best done when the soil is soft.
COVER UP Vincas are delightful purple flowers which create a green carpet of foliage that keeps weeds dow: Cover your plot with a membrane to block out all light and the weeds will eventually die off; Japanese knotweed, once thought exotic, is now considered to be a gardener's worst nightmare
Cover up: Vincas delightful purple which create carpet of foliage keeps weeds We want the plants which we purposely introduce into our gardens to flourish and all others to be banished beyond our boundaries.
Vincas are purple flowers a green foliage that down Yes, the dandelions had made it through, their long thirsty tap roots hoovering up the last drops of water.
I recently planted a selection of Vincas which will form a green carpet off and keep out weedy competitors.