Spiny kauri (Agathis spinulosa)
Agathis spinulosa - Taxonomy and Botanical Profile
Described scientifically at the dawn of the 20th century, Agathis spinulosa is a coniferous tree belonging to the ancient Araucariaceae family. The species was first formally documented by the botanist Otto Warburg in 1900. Like other members of its genus, it represents a lineage of gymnosperms with a remarkably rich evolutionary history.
Taxonomy
- ∟ царство Plantae
- ∟ division Tracheophytes
- ∟ subdivision Spermatophytes (Seed plants)
- ∟ superclass Gymnospermae
- ∟ division Pinophyta
- ∟ subclass Cupressidae
- ∟ order Araucariales (Southern pines and monkey-puzzles)
- ∟ family Araucariaceae (Araucaria family)
- ∟ genus Agathis (Kauri)
- ∟ species Agathis spinulosa (Spiny kauri)
Morphology
As a member of the Agathis genus, it is characterized by features typical of these impressive conifers. These trees generally possess broad, leathery leaves that are quite distinct from the needle-like foliage of many other familiar conifers. The reproductive structures consist of separate male pollen cones and female seed cones, which are typically globose to ovoid in shape.
Interesting facts
- The initial scientific description of this species was published by the German botanist Otto Warburg in the year 1900.
- Members of the family Araucariaceae, to which this species belongs, have an extensive fossil record dating back to the Mesozoic era.
- The genus Agathis is broadly well-known for producing valuable timber and unique resins, often referred to as copal or dammar.
Sources
- POWO (Plants of the World Online)
- WFO (World Flora Online)
- International Plant Names Index (IPNI)