Class
Order
Family
Classification
Subordinate Taxa
Nomenclature
Scientific Name:
Alnus Mill., Gard. Dict. Abr., ed. 4. (1754)
Vernacular Name(s):
Alder
Description
Trees or shrubs. Buds either stalked with 2–3 scales (subgen. ), or less often sessile with 3–6 imbricate scales (subgen. ). Lvs usually serrate or dentate. ♂ catkins: bracts peltate with 4 bracteoles to each; stamens usually 4, beneath bract. ♀ catkins < ♂, with 2 fls to each bract and bracteoles. Fruiting catkin cone-like, ovoid to ellipsoid, long- persistent. Scales 5-lobed or truncate, woody. Fr. a nutlet, usually winged, 2 in the axis of each scale.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Biostatus
Exotic
| Category | Number |
|---|---|
| Exotic: Fully Naturalised | 3 |
| Total | 3 |
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: ... Abridged from the last folio edition, by the author, Philip Miller, in three volumes. ...Fourth edition, corrected and enlarged. Edition 4. London.
