New Zealand Journal of Botany abstracts
Hydrocotyle bowlesioides (Araliaceae/Apiaceae), a new
naturalised plant in New Zealand
C. E. Ecroyd
Ensis*
Private Bag 3020
Rotorua 3046, New Zealand
Abstract Hydrocotyle bowlesioides, first collected in
New Zealand in 1984, is recorded as a new naturalised species in New
Zealand. It has been found growing in disturbed coastal habitats on the
east coast of Northland and on Chatham Island. Native to Costa Rica and
the west of Panama in Central America, this species has also
naturalised in the southern United States and Hawaii. With densely
hairy, rounded, reniform leaves it is similar to one of the indigenous
species, H. novae-zeelandiae, but it has a distinctive leaf
outline, slightly hispid fruit, and a swollen tap-root. A description,
key, and table provide information to help distinguish it from the
native and other fully naturalised species of Hydrocotyle in
New Zealand.
Keywords Hydrocotyle; H. bowlesioides; New
Zealand flora; naturalised; adventive; weed; Apiaceae
*Ensis is a joint venture between CSIRO and Scion (formerly Forest
Research, New Zealand)
B07006 ; Online publication date 31 July 2007; Received 7 March
2007; accepted 2 July 2007
New Zealand Journal of Botany, 2007, Vol. 45: 479–484
0028–825X/07/4503–0479 © The Royal Society of New Zealand 2007
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