New Zealand Journal of Botany abstract
Revision of the genus Wahlenbergia (Campanulaceae) in New Zealand
JUDITH A. PETTERSON
24 Eruini Street
Waikanae 6454, New Zealand
Abstract The New Zealand species of
Wahlenbergia are
revised from historical, morphological, and cytological evidence, and their
relationships with Australian, Pacific, and Asian species are discussed.
Wahlenbergia marginata is regarded as indigenous to Japan,
W.
gracilis as indigenous to New Caledonia, and
W. dehiscens as
indigenous to West Bengal. One indigenous and nine endemic species are
recognised from New Zealand, of which three are described as new:
W.
akaroa,
W. violacea,
W. vernicosa. Five New Zealand endemic
subspecies are described as new:
W. albomarginata subsp.
decora,
W. albomarginata subsp.
olivina,
W. congesta subsp.
haastii,
W. pygmaea subsp.
drucei,
W. pygmaea
subsp.
tararua. Natural hybridism is discussed.
Keywords Taxonomic revision; Campanulaceae;
Wahlenbergia; new species W. akaroa, W. violacea, W.
vernicosa; new subspecies W. albomarginata subsp. decora and
subsp. olivina, W. congesta subsp. haastii, W.
pygmaea subsp. drucei and subsp. tararua; Australia; Lord
Howe Island; New Zealand; New Caledonia; Japan; West Bengal; hybridism
B95018
Received 1 May 1995; accepted 28 August 1996
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