Abrotanella rosulata

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Abrotanella rosulata
Botany of Antarctica-PL018-0041.jpg
Status NZTCS NU.svg
Naturally Uncommon (NZ TCS) [1]
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Abrotanella
Species:
A. rosulata
Binomial name
Abrotanella rosulata
(Hook.f.) Hook.f. [2] [3]
Synonyms [4]

Ceratella rosulata Hook.f.

Abrotanella rosulata is a plant in the family Asteraceae, endemic to the Campbell Islands. [4]

Contents

Description

Hooker describes it [3] as "a small, densely tufted, moss-like herb", with stems that are 1–1.5 inches (2.5–3.8 cm) high. The leaves overlap, and are recurved, rigid, and leathery. They are 1/4-1/3 in long, narrow ovate or lanceolate, acute, concave above. The flower heads are aggregated amongst the upper leaves and 1/10 in long. There are 8-10 involucral scales which are linear oblong, and leathery with translucent veins. The male flower has a four-angled corolla, and the angles are translucent. The female flower has a tubular corolla, and is four-toothed. The achene is four-angled. [3]

Taxonomy

It was first described in 1844 as Ceratella rosulata by Joseph Dalton Hooker who found it in the Campbell Islands, "in crevices of rocks at the tops of the mountains, at an elevation of 1400 feet", [5] but in 1864 he amended the genus to Abrotanella . [3]

Conservation status

In 2009 and 2012, it was declared "At Risk - Naturally Uncommon" under the New Zealand Threat Classification System. [6] In 2018 its status remained as "At Risk - Naturally Uncommon" due to its restricted range. [1]

Related Research Articles

<i>Abrotanella</i> Genus of flowering plants

Abrotanella is a genus in the family Asteraceae, of 22 species, native to Australia, New Zealand and southern South America.

<i>Pleurophyllum speciosum</i>

Pleurophyllum speciosum, also known as the giant emperor daisy or Campbell Island daisy, is a megaherb native to the Auckland and Campbell Islands of New Zealand. A false colour image is depicted on the lower left corner on the reverse of the current five dollar New Zealand banknote. The Campbell Island daisy was first described by Joseph Dalton Hooker in Flora Antarctica of 1844, after he had collected it during the Ross expedition.

<i>Poa foliosa</i> Species of grass

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<i>Archeria racemosa</i> Species of flowering plant

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<i>Chionochloa antarctica</i> Species of grass

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<i>Anthoxanthum brunonis</i> Species of grass

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<i>Gentianella concinna</i>

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<i>Ranunculus pinguis</i> A perennial plant from New Zealand

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<i>Scaevola gracilis</i>

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<i>Acaena microphylla</i> Species of flowering plant

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<i>Myosotis capitata</i>

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<i>Plantago aucklandica</i> Species of flowering plant in the plantain family Plantaginaceae

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<i>Gentianella cerina</i>

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<i>Marsippospermum gracile</i> Species of grass

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<i>Agrostis subulata</i> Species of grass

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<i>Leptinella lanata</i>

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<i>Cardamine depressa</i> Species of flowering plant

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<i>Geum albiflorum</i>

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References

  1. 1 2 Lange, Peter J. de; Rolfe, Jeremy R.; Barkla, John W.; Courtney, Shannel P.; Champion, Paul D.; Perrie, Leon R.; Beadel, Sarah M.; Ford, Kerry A.; Breitwieser, Ilse; Schönberger, Ines; Hindmarsh-Walls, Rowan (1 May 2018). "Conservation status of New Zealand indigenous vascular plants, 2017" (PDF). New Zealand Threat Classification Series. 22: 39. OCLC   1041649797.
  2. "NZOR Name Details - Abrotanella rosulata (Hook.f.) Hook.f." www.nzor.org.nz. Retrieved 10 January 2020.
  3. 1 2 3 4 Hooker, J.D. (1864) Handbook of the New Zealand flora : a systematic description of the native plants of New Zealand and the Chatham, Kermadec's, Lord Auckland's, and Macquarrie's islands /: 139
  4. 1 2 "Abrotanella rosulata Hook.f. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 10 January 2020.
  5. Hooker, J.D. (1844) The botany of the Antarctic voyage of H.M. discovery ships Erebus and Terror in the Years 1839-1843: under the command of Captain Sir James Clark Ross: 1: 25, t. 18
  6. "Abrotanella rosulata | New Zealand Plant Conservation Network". www.nzpcn.org.nz. Retrieved 10 January 2020.