Abrotanella linearis

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Abrotanella linearis
Abrotanella linearis imported from iNaturalist photo 349273329 on 15 August 2024.jpg
Status NZTCS NT.svg
Not Threatened (NZ TCS) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Abrotanella
Species:
A. linearis
Binomial name
Abrotanella linearis
Synonyms
  • Abrotanella filiformis Petrie
  • Abrotanella linearis var. apiculata Simpson & Thomson

Abrotanella linearis is a species of flowering plant in the daisy family (Asteraceae) and is native to Stewart Island and the South Island of New Zealand. [2] Swedish botanist Sven Berggren described the species in 1878. Plants of this species are small with linear leaves and white florets.

Contents

Taxonomy

Abrotanella linearis Berggr. is a plant endemic to New Zealand in the family Asteraceae. [3] It was described in 1878 by Swedish botanist Sven Berggren. [4]

The type material was collected by Berggren at Kelly's Hill in Westland, New Zealand. [4] The lectotype was designated by Ulf Swenson and is held at the Lund University herbarium (Herbarium LD), with isolectotypes at other herbaria. [4]

The specific epithet, linearis, refers to the linear shape of the leaves.

The chromosome number is 2n=18. [5] [6]

Phylogeny

Abrotanella linearis was included in phylogenetic analyses of standard DNA sequencing markers (nuclear ribosomal DNA and chloroplast DNA regions). [7] It was placed within a monophyletic Abrotanella genus in a highly-supported clade comprising species from New Zealand, Australia and New Guinea. [7]

Distribution and habitat

Abrotanellalinearis is endemic to New Zealand. [3] It is common in montane forest and subalpine grasslands from 700-1400 m above sea level on the South Island, and from 250-670 m on Stewart Island. It flowers from September to February. [4]

Conservation status

A. linearis was listed as Not Threatened on the most recent assessment (2023-2024) of the New Zealand Threatened Classification for plants. [1]

References

  1. 1 2 Lange, Peter de; Gosden, Jane L.; Courtney, Shannel; Fergus, Alexander J.; Barkla, John; Beadel, Sarah M.; Champion, Paul D.; Hindmarsh-Walls, Rowan; Makan, Troy; Michel, Pascale (2024-10-01). "Conservation status of vascular plants in Aotearoa New Zealand, 2023". New Zealand Threat Classification Series. 43: 1–105. ISSN   2324-1713.
  2. ↑ "Abrotanella linearis Berggr". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 25 June 2025.
  3. 1 2 "Abrotanella linearis". New Zealand Plant Conservation Network. Retrieved 2025-08-02.
  4. 1 2 3 4 Swenson, Ulf (1995-01-01). "Systematics of Abrotanella, an Amphi-pacific genus of Asteraceae (Senecioneae)". Plant Systematics and Evolution. 197 (1–4): 149–193. doi:10.1007/BF00984638.
  5. ↑ Dawson, Murray (2000-01-01). "Index of chromosome numbers of indigenous New Zealand spermatophytes". New Zealand Journal of Botany. 38: 47–150.
  6. ↑ "Abrotanella linearis Berggr. - Biota of NZ". biotanz.landcareresearch.co.nz. Archived from the original on 2024-05-15. Retrieved 2025-08-02.
  7. 1 2 Wagstaff, Steven J.; Breitwieser, Ilse; Swenson, Ulf (2006-02-01). "Origin and Relationships of the Austral Genus Abrotanella (Asteraceae) Inferred from DNA Sequences". Taxon. 55 (1): 95–106. doi:10.2307/25065531.
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