Key terms and definitions

Group of trees means a cluster, grove, or line of trees.
Source: section 76(4C) of the RMA

Urban environment allotment means an allotment within the meaning of section 218—

(a) that is no greater than 4000m2; and
(b) that is connected to a reticulated water supply system and a reticulated sewerage system; and
(c) on which there is a building used for industrial or commercial purposes or as a dwellinghouse; and
(d) that is not reserve (within the meaning of section 2(1) of the Reserves Act 1977) or subject to a conservation management plan or conservation management strategy prepared in accordance with the Conservation Act 1987 or the Reserves Act 1977.

Source: section 76(4C) of the RMA

Grove means a small wood or other group of trees.
Oxford dictionary online

Tree^{Footnote 2} means a woody perennial plant, typically having a single stem or trunk growing to a considerable height and bearing lateral branches at some distance from the ground.
Source: Defined by the Environment Court having regard to the Shorter Oxford English Dictionary, 6th Edition, OUP

Back to footnote reference 2 In the absence of any definition in the RMA itself, a district plan may contain its own definition of trees, which, in those cases, would prevail over this definition.