Aciphylla squarrosa

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Aciphylla squarrosa
A speargrass, fairly close up
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Apiales
Family: Apiaceae
Genus: Aciphylla
Species:
A. squarrosa
Binomial name
Aciphylla squarrosa
Synonyms[1]
  • Gingidium squarrosum (J.R.Forst. & G.Forst.) F.Muell.
  • Laserpitium aciphylla L.f.
  • Ligosticon aciphyllum (L.f.) St.-Lag.
  • Ligusticum aciphylla (L.f.) Spreng.

Aciphylla squarrosa, or common speargrass, is a species of Aciphylla endemic to New Zealand.[2][3]

It is a woody perennial herb that forms dense and robust tussocks with a central flowering stem.[4][3] The basal leaves are bluish-grey, and divide three times to form long and pointed spikes.[4] They are hairless, and have a finely toothed margin.

It can grow up to 1 m (3 ft 3 in) tall.[3]

It produces 2–4 mm (0.079–0.157 in) green or yellow symmetric flowers from October to December, and 6–8 mm (0.24–0.31 in) dry fruits from November to March.[3][4]

Range

It can be found on the North and South Islands [3] from Mount Hikurangi to the Kaikoura Ranges,[3] as well as some offshore islands like Mana Island.[2] It grows in habitats ranging from coastal to montane.[3]

Ecology

Aciphylla squarrosa is the host plant for Lyperobius huttoni, the Speargrass Weevil.

Etymology

Squarrosa comes from the Latin for 'rough'.[3]

Taxonomy

Conservation status

References

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