Mirrorplants Coprosma

Of 24 assessed members, 19 are rated fire resistant and five were assessed without the sources taking a side. The most-studied member, Tree Coprosma, has a substantial body of assessment behind its fire-resistant rating, including a low-flammability classification. Bouncy bush has the same classification and similarly broad support.

The pattern also includes Glossy Karamū and stinkwood, but their findings differ in detail. Stinkwood received a very-low-flammability classification. Glossy Karamū was placed in a shoot category through cluster analysis after its samples were air-dried for 24 hours, so that result belongs with those test conditions rather than serving as a blanket description of every mirrorplant.

Coprosma belongs to the Rubiaceae family and includes shrubs and trees. Sand coprosma, Thin-leaved Coprosma, Mikimiki and rough coprosma are also mirrorplants, but their names alone do not place them among either the resistant members or the five without a verdict. The practical answer is therefore favorable at genus level, with the specific species still mattering: most assessed mirrorplants qualify as fire resistant, while a smaller group has not received a clear verdict.