Class
Order
Family
Classification
Subordinate Taxa
Nomenclature
Scientific Name:
Pseudotsuga Carrière, Traité Gén. Conif. 256 (1867)
Vernacular Name(s):
Douglas fir
Description
Large resinous evergreen trees with rough, furrowed bark when mature; branches irregularly whorled. Short shoots 0. Buds narrow, very acute, glabrous, not resinous. Lvs single, spirally arranged, ± 2-ranked (except on young erect shoots), linear, green and grooved above and with 2 whitish or glaucous stomatic bands below; resin ducts marginal, 2; vascular bundle 1. ♂ strobili (cones) axillary, catkin-like. ♀ cones terminal on short branches, maturing in first year, composed of numerous, free, 3-lobed bract scales which are prominently exserted in mature cone, and shorter, imbricate ovuliferous scales; ovules 2 on each scale. Mature cone pendulous, falling whole. Seed with large wing.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Biostatus
Exotic
| Category | Number |
|---|---|
| Exotic: Fully Naturalised | 1 |
| Total | 1 |
Bibliography
Carrière, E.A. 1867: Traité Général des Conifères. Edition 2. Paris.
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
