Class
Order
Family
Classification
Subordinate Taxa
Nomenclature
Scientific Name:
Petasites Mill., Gard. Dict., ed. 4, 3, (1754)
Description
Dioecious perennial herbs. Lvs simple, palmately toothed, lobed or dissected, mostly basal; cauline lvs alternate, much reduced and scale- like. Capitula solitary or in corymbs or panicles; involucral bracts in 1–2 rows, with shorter supplementary bracts subtending base of involucre. Receptacle flat; scales 0. ♂ capitula with outer florets sterile, ligulate or filiform, and inner florets ♂, tubular. ♀ capitula with outer florets ♀, ligulate, filiform or tubular, and inner florets sterile, tubular. Ligules purple to pink or white. Achenes cylindric, ribbed, glabrous; pappus present.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Biostatus
Exotic
| Category | Number |
|---|---|
| Exotic: Fully Naturalised | 1 |
| Exotic: Casual | 1 |
| Total | 2 |
Bibliography
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Miller, P. 1754: The Gardeners Dictionary. Vol. 3. Edition 4. London.
Webb, C.J.; Sykes, W.R.; Garnock-Jones, P.J.; Brownsey, P.J. 1995: Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: additonal notes 1988–1993. New Zealand Journal of Botany 33: 151–182.
