REVISION OF THE GENUS WAHLENBERGIA (CAMPANULACEAE) IN NEW-ZEALAND

The New Zealand species of Wahlenbergia are revised from historical, m orphological, and cytological evidence, and their relationships with A ustralian, Pacific, and Asian species are discussed. Wahlenbergia marg inata is regarded as indigenous to Japan, W. gracilis as indigenous to New Caledonia, and W. dehiscens as indigenous to West Bengal. One ind igenous and nine endemic species are recognised from New Zealand, of w hich three are described as new: W. akaroa, W. violacea, W. vernicosa. Five New Zealand endemic subspecies are described as new: W. albomarg inata subsp. decora, W. albomarginata subsp. olivina, W. congesta subs p. haastii, W. pygmaea subsp. drucei, W: pygmaea subsp. tararua. Natur al hybridism is discussed.