boneseed

Etymology
, either directly as a description of the hard surface of the seeds, or indirectly as a calque of the name of its former genus,, from +

Noun

 * 1)  An upright shrub in the sunflower family,, which is native to South Africa but is an invasive pest in Australia and New Zealand.
 * 2)    (the subspecies  being known there as bitou bush)