Myosotis suavis

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Myosotis suavis
SP107452^A Myosotis suavis Petrie WELT Te Papa 1768787 517777.jpg
Flowering plant of Myosotis suavis
Status NZTCS DD.svg
Data Deficient (NZ TCS) [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Myosotis
Species:
M. suavis
Binomial name
Myosotis suavis

Myosotis suavis is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Donald Petrie described the species in 1914. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with stamens that are partially exserted.

Contents

Taxonomy and etymology

Myosotis suavis Petrie is in the plant family Boraginaceae. [3] The species was originally described in 1914 by Donald Petrie. [4] [2] The most recent treatment of this species was done by Lucy B. Moore in the Flora of New Zealand. [4]

The original specimens (syntypes) of Myosotis suavis were collected by New Zealand mountaineer and mountain guide Peter Graham, and are lodged at the herbarium WELT at the Museum of New Zealand Te Papa Tongarewa (e.g. WELT SP002581 and SP002582). [4] [5] [6]

Myosotis suavis is similar morphologically to another South Island species, M. explanata. [4] Lucy Moore distinguished the two species in her key using the following characters:

"Hairs crowded, soft; corolla c. 7 mm. diam........Myosotis suavis

Hairs sparse, rather stiff; corolla c. 10 mm. diam.....M. explanata" [4]

Phylogeny

Myosotis suavis was not included in any of the phylogenetic analyses of standard DNA sequencing markers (nuclear ribosomal DNA and chloroplast DNA regions) of New Zealand Myosotis. [7] [8]

Description

Myosotis suavis plants are rosettes. The rosette leaves have long petioles that are shorter than the leaf blades. The rosette leaf blades are 20–40 mm long by 7–15 mm wide, broadly obovate-spathulate, widest at or above the middle, with an obtuse apex. The upper surface of the leaf is uniformly and densely covered in appressed antrorse (forward-facing) hairs, whereas the lower surface is uniformly and sparsely covered in appressed retrorse (backward-facing) hairs. Each rosette has few ascending, ebracteate inflorescences that are up to 100 mm long. The cauline leaves are similar to the rosette leaves, but are smaller, become smaller toward the top of the inflorescence, narrow-elliptic, and sessile, and have hairs similar to the rosette leaves. The flowers are several per inflorescence, and each is borne on a short pedicel, without a bract. The calyx is 5–8 mm long at flowering and fruiting, lobed to more than one-half of its length, and with densely distributed, appressed to erect hairs, some of which are retrorse near the base and others hooked. The corolla is white and 5–7  mm in diameter, with a cylindrical tube, and small scales alternating with the petals. The anthers are partially exserted, with the tips only surpassing the faucal scales. The nutlets were not described. [4]

The pollen of Myosotis suavis is unknown.

The chromosome number of M. suavis is unknown.

Flowering December–February; fruiting unknown. [4] [3]

Distribution and habitat

Myosotissuavis is a forget-me-not that is found in rocky, high alpine habitats from 1000 to 2000 m ASL or higher, near the main divide in the South Island of New Zealand, in Canterbury, Westland and Otago. [4] [3] [2]

Conservation status

Myosotis suavis is listed as Data Deficient on the most recent assessment (2017–2018) under the New Zealand Threatened Classification system for plants. [1]

Related Research Articles

<i>Myosotis retrorsa</i> Species of flowering plant

Myosotis retrorsa is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Heidi Meudt, Jessica Prebble and Rowan Hindmarsh-Walls described the species. Plants of this species of forget-me-not are perennial with a prostrate habit, bracteate inflorescences, and white corollas.

<i>Myosotis cheesemanii</i> Species of flowering plant

Myosotis cheesemanii is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Donald Petrie described the species in 1886. Plants of this species of forget-me-not are perennial rosettes with bracteate inflorescences and white corollas.

<i>Myosotis concinna</i> Species of flowering plant

Myosotis concinna is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Thomas Cheeseman described the species in 1885. Plants of this species of forget-me-not are large, perennial rosettes which form loose tufts or clumps, with ebracteate, erect inflorescences, and yellow corollas.

<i>Myosotis laeta</i> Species of flowering plant

Myosotis laeta is a species of flowering plant in the family Boraginaceae, endemic to ultramafic areas of the Sounds-Nelson area of the South Island of New Zealand. Thomas Cheeseman described the species in 1885. Plants of this species of forget-me-not are perennial rosettes which form loose tufts or clumps, with ebracteate, erect inflorescences, and white corollas.

<i>Myosotis brockiei <span style="font-style:normal;">subsp.</span> dysis</i> Species of flowering plant

Myosotis brockieisubsp. dysis is a subspecies of flowering plant in the family Boraginaceae, endemic to southern South Island of New Zealand. Shannel Courtney and Heidi Meudt described this subspecies in 2021. Plants of this subspecies of forget-me-not are perennial rosettes which form stoloniferous mats, with long, ebracteate, erect inflorescences, and white corollas with exserted stamens.

<i>Myosotis goyenii</i> Species of flowering plant

Myosotis goyenii is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Donald Petrie described the species in 1891. Plants of this species of forget-me-not are perennial rosettes which form loose tufts or clumps, with ebracteate, erect inflorescences, and white corollas with partly exserted or fully included stamens.

<i>Myosotis goyenii <span style="font-style:normal;">subsp.</span> goyenii</i> Species of flowering plant

Myosotis goyeniisubsp. goyenii is a subspecies of flowering plant in the family Boraginaceae, endemic to southern South Island of New Zealand. Donald Petrie described the species M. goyenii in 1891. Plants of this subspecies of forget-me-not are perennial rosettes which form loose clumps, with ebracteate, erect inflorescences, and white corollas with partly exserted stamens.

<i>Myosotis traversii</i> Species of flowering plant

Myosotis traversii is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Joseph Dalton Hooker described this species in 1864. Plants of this species of forget-me-not are perennial rosettes which form tufts or clumps, with ebracteate, erect inflorescences, and white or yellow corollas with partly exserted stamens.

<i>Myosotis traversii <span style="font-style:normal;">subsp.</span> traversii</i> Species of flowering plant

Myosotis traversiisubsp. traversii is a subspecies of flowering plant in the family Boraginaceae, endemic to the northern South Island of New Zealand. Joseph Dalton Hooker described the species M. traversii in 1864. Plants of this subspecies of forget-me-not are perennial rosettes which form tufts or clumps, with ebracteate, erect inflorescences, and white or yellow corollas with partly exserted stamens.

<i>Myosotis traversii <span style="font-style:normal;">subsp.</span> cantabrica</i> Species of flowering plant

Myosotis traversiisubsp. cantabrica is a subspecies of flowering plant in the family Boraginaceae, endemic to the central South Island of New Zealand. Lucy Moore described M. traversii var. cantabrica in 1961 and Heidi Meudt changed its rank to subspecies in 2021. Plants of this subspecies of forget-me-not are perennial rosettes which form tufts or clumps, with ebracteate, erect inflorescences, and white or yellow corollas with partly exserted stamens.

Myosotis × cinerascens is a hybrid species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Donald Petrie described M. cinerascens in 1891, and it was later deemed to be a hybrid in 2021. Plants of this forget-me-not are perennial rosettes which form tufts or clumps, with ebracteate, erect inflorescences, and white corollas with partly exserted stamens.

<i>Myosotis petiolata</i> Species of flowering plant

Myosotis petiolata is a species of flowering plant in the family Boraginaceae, endemic to the Hawkes Bay region of the North Island of New Zealand. Joseph Dalton Hooker described the species in 1853. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with exserted stamens.

<i>Myosotis saxatilis</i> Species of flowering plant

Myosotis saxatilis is a species of flowering plant in the family Boraginaceae, endemic to New Zealand. Donald Petrie described this species in 1918. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with stamens that are fully included in the corolla tube or sometimes partly exserted.

<i>Myosotis amabilis</i> Species of flowering plant

Myosotis amabilis is a species of flowering plant in the family Boraginaceae, endemic to New Zealand. Thomas Cheeseman described the species in 1906 based on specimens collected at Mt Hikurangi. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with stamens that are exserted.

<i>Myosotis arnoldii</i> Species of flowering plant

Myosotis arnoldii is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Lucy Moore described the species in 1961. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences, corollas ranging from yellow to dark purple, and stamens that are wholly exserted.

<i>Myosotis macrantha</i> Species of flowering plant

Myosotis macrantha or the Bronze Forget-Me-Not is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Joseph Dalton Hooker described the species as Exarrhena macrantha in 1864, and Thomas Cheeseman transferred it to the genus Myosotis in 1885. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and yellow to dark purple corollas with stamens that are exserted.

<i>Myosotis explanata</i> Species of flowering plant

Myosotis explanata is a species of flowering plant in the family Boraginaceae, endemic to high-elevation habitats in the South Island of New Zealand. Thomas Cheeseman described the species in 1906. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with stamens that are partly exserted, with the tips of the anthers only surpassing the scales.

<i>Myosotis laingii</i> Species of flowering plant

Myosotis laingii is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand, and considered to be extinct. Thomas Cheeseman described the species in 1912. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and yellow corollas with stamens that are fully exserted.

<i>Myosotis oreophila</i> Species of flowering plant

Myosotis oreophila is a species of flowering plant in the family Boraginaceae, endemic to the South Island of New Zealand. Donald Petrie described the species in 1896. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with stamens that are partially exserted.

<i>Myosotis forsteri</i> Species of flowering plant

Myosotis forsteri is a species of flowering plant in the family Boraginaceae, endemic to New Zealand. Johann Georg Christian Lehmann described the species in 1818. Plants of this species of forget-me-not are perennial rosettes with ebracteate inflorescences and white corollas with stamens that are fully included or sometimes partly exserted with the tips only surpassing the scales.

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 (May 2018). "Conservation status of New Zealand indigenous vascular plants, 2017" (PDF). New Zealand Threat Classification Series. 22: 45. OCLC   1041649797.
  2. 1 2 3 Petrie, Donald (1 January 1914). "Descriptions of new native phanerogams". Transactions and Proceedings of the Royal Society of New Zealand. 46: 32–39.
  3. 1 2 3 "Myosotis suavis". New Zealand Plant Conservation Network. Retrieved 1 August 2023.
  4. 1 2 3 4 5 6 7 8 Moore, L.B. "Boraginaceae. In 'Flora of New Zealand'. (Ed. HH Allan) Vol. 1, pp. 806–833". (Government Printer: Wellington, New Zealand) floraseries.landcareresearch.co.nz. Retrieved 27 April 2022.
  5. ↑ "Syntype of Myosotis suavis WELT SP002581 | Collections Online - Museum of New Zealand Te Papa Tongarewa". collections.tepapa.govt.nz. Retrieved 1 August 2023.
  6. ↑ "Syntype of Myosotis suavis WELT SP002582 | Collections Online - Museum of New Zealand Te Papa Tongarewa". collections.tepapa.govt.nz. Retrieved 1 August 2023.
  7. ↑ Meudt, Heidi; Prebble, Jessica; Lehnebach, Carlos A. (7 November 2014). "Native New Zealand forget-me-nots (Myosotis, Boraginaceae) comprise a Pleistocene species radiation with very low genetic divergence". Plant Systematics and Evolution. 301 (5): 1455–1471. doi:10.1007/S00606-014-1166-X.
  8. ↑ Richard Winkworth; Jürke Grau; Alastair Robertson; Peter Lockhart (1 August 2002). "The origins and evolution of the genus Myosotis L. (Boraginaceae)". Molecular Phylogenetics and Evolution . 24 (2): 180–193. doi:10.1016/S1055-7903(02)00210-5. ISSN   1055-7903. PMID   12144755. Wikidata   Q30707919.
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