Iris psammocola

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Iris psammocola
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Genus: Iris
Subgenus: Iris subg. Iris
Section: Iris sect. Pseudoregelia
Species:
I. psammocola
Binomial name
Iris psammocola
Synonyms [1]

Iris potaninii var. arenaria Doronkin

Iris psammocola is a plant species in the genus Iris , it is also in the subgenus Iris and in the section Pseudoregelia. It is a rhizomatous perennial, from China. It has grass-like leaves, short stems, yellow flowers. It is cultivated as an ornamental plant in temperate regions.

Contents

Description

It has short, obconical (like an inverted cone) rhizomes, with slender secondary roots underneath. The top of the rhizome has dense straight fibres. [2] [3]

It has narrow, linear leaves, that can grow up to between 8–13 cm (3–5 in) long, and between 0.2 and 0.4 cm wide. They have a pointed end. [2]

It has a very short slender stem, that can grow up to between 3–4 cm (1–2 in) tall. [2]

The stem has 2 lanceolate and (scarious) membranous spathe (leaves of the flower bud). They are between 3.5–4 cm (1–2 in) long and about 0.8 cm wide. They have a distinct midvein. [2]

The stems hold 1 terminal (top of stem) flower, blooming between April and May. [2]

The yellow flowers are 4–5 cm (2–2 in) in diameter. [2] They have a very short pedicel and slender perianth tube, that is 4–4.5 cm (2–2 in) long.

Like other irises, it has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'. [4] The falls have an obovate limb (part of the petal beside the stem), they are 4 cm (2 in) long and 1.5 cm wide. In the centre of the petal is a beard. The erect standards are oblanceolate and 3.5 cm (1 in) long and 4 cm wide. [2]

It has 1.5 cm long stamens, and style branches that are 3.5 cm long. [2]

After the iris has flowered, it produces a seed capsule which has not been described.

Biochemistry

As most irises are diploid, having two sets of chromosomes, this can be used to identify hybrids and classification of groupings. [4] Nothing has been reported as of August 2015 about a chromosome count of the iris.

Taxonomy

It is written as 沙生鸢尾 in Chinese script and known as sha sheng yuan wei in Pidgin. [2]

It is commonly known in China as 'sandy iris'. [5]

The Latin specific epithet psammocola refers to an amalgamation of two Greek words: 'psammo' – sand, and 'cola' – living in. [6]

It was originally collected in the desert dunes of Baijiatan (White House Beach), near the city of Lingwu, in Ningxia on 10 April 1959. [5]

It was first published and described by Yu Tang Zhao in 'Acta Phytotax. Sin.' Vol.30 Issue 2 on page 181 in 1992. [7] [8] [9]

It was verified by United States Department of Agriculture and the Agricultural Research Service on 4 April 2003, then updated on 29 September 2008. [8]

It is listed in the Encyclopedia of Life . [10]

As of August 2015, Iris psammocola is not yet an accepted name by the RHS.

Distribution and habitat

It is native to temperate Asia. [8]

Range

It is found in China, [7] within the province of Ningxia. [2] [8] [10]

Geographic distribution: Asia – China – Ningxia Hui Ningxia Dune Region, China. [9]

Habitat

It grows in the desert dunes. [2] [10]

Toxicity

Like many other irises, most parts of the plant are poisonous (rhizome and leaves), if mistakenly ingested can cause stomach pains and vomiting. Also handling the plant may cause a skin irritation or an allergic reaction. [11]

Related Research Articles

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Iris qinghainica is a beardless iris in the genus Iris, in the subgenus Limniris and in the series Tenuifoliae of the genus. It is a rhizomatous herbaceous perennial, from China. It has grey green leaves, a very short stem and 1–2 blue or violet flowers.

<i>Iris tenuifolia</i> Species of plant

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Iris bloudowii is a species in the genus Iris. It is also in the subgenus of Iris and in the Psammiris section. It is a rhizomatous perennial, from Russia, Siberia, Kazakhstan, Mongolia and China, with sickle-shaped leaves, slender stem and 2 bright or pale yellow flowers. It is cultivated as an ornamental plant in temperate regions.

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Iris cuniculiformis is a plant species in the genus Iris, it is also in the subgenus Iris and in the section Pseudoregelia. It is a rhizomatous perennial, from China, it has long and thin green leaves, and 1 lilac large flowers, that have yellow or grey beards. It is cultivated as an ornamental plant in temperate regions.

Iris goniocarpa is a plant species in the genus Iris, it is also in the subgenus of Iris and in the section Pseudoregelia. It is a rhizomatous perennial, from China, India, Burma and Bhutan. It has yellow green to dark green, long leaves, slender stem and, one flower between blue, lavender-blue, lilac, blue-violet or blue-purple. It is cultivated as an ornamental plant in temperate regions.

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<i>Iris tigridia</i> Species of plant of the genus Iris

Iris tigridia is a plant species in the genus Iris; it is also in the subgenus Iris and in the section Pseudoregelia. It is a rhizomatous perennial, from Kazakhstan, Russia, Mongolia and China. It has dark green or greyish green, grass-like leaves, a short slender stem and a single flowers that are either violet, dark blue, blue-purple, dark purple, mauve, lilac, lavender, or light purple. It is cultivated as an ornamental plant in temperate regions.

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References

  1. ↑ "Iris psammocola Y.T.Zhao is an accepted name". theplantlist.org (The Plant List). 23 March 2012. Retrieved 17 July 2015.
  2. 1 2 3 4 5 6 7 8 9 10 11 "FOC Vol. 24 Page 311". efloras.org (Flora of China). Retrieved 15 August 2015.
  3. ↑ Zhao, Yu Tang (1992). "A new species of Iris from China" (PDF). Acta Phytotaxonomica Sinica. 30 (2): 181–182. Retrieved 17 August 2015.
  4. 1 2 Austin, Claire (2005). Irises; A Garden Encyclopedia. Timber Press. ISBN   0881927309.
  5. 1 2 "Type specimens and literature". cvh.ac.cn (Chinese Virtue Herbarium (CVH)). Retrieved 15 August 2015.
  6. ↑ D. Gledhill The Names of Plants , p. 326, at Google Books
  7. 1 2 "Iridaceae Iris psammocola Y.T.Zhao". ipni.org (International Plant Names Index). Retrieved 17 July 2015.
  8. 1 2 3 4 "Iris psammocola". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 16 July 2015.
  9. 1 2 Franco, Alain (3 December 2013). "(SPEC) Iris psammocola Y.T.Zhao". wiki.irises.org (American Iris Society). Retrieved 15 August 2015.
  10. 1 2 3 "Iris psammocola". eol.org. Retrieved 15 August 2015.
  11. ↑ David G Spoerke and Susan C. Smolinske Toxicity of Houseplants , p. 236, at Google Books

Sources

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