Sagina subulata

Sagina subulata
Plant in flower, Poland
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Sagina
Species: S. subulata
Binomial name
Sagina subulata
Synonyms[1]
  • Alsine subulata (Sw.) E.H.L. Krause
  • Phaloe subulata (Sw.) Dumort.
  • Spergella subulata (Sw.) Rchb.
  • Spergula subulata Sw.

Sagina subulata (heath pearlwort,[2] Irish-moss,[3] awl-leaf pearlwort[4] or Scottish moss; syn. Sagina pilifera auct. non (DC.) Fenzl) is a species of Sagina, native to Europe, from Iceland south to Spain, and east to southern Sweden and Romania. It occurs on dry sandy or gravelly soils.[5][6][7]

Description

Sagina subulata is commonly cultivated in walkways between paving stones

Heath pearlwort is a low-growing prostrate perennial plant forming a thick, dense mat with stems less than 10 cm long, and slender subulate (awl-shaped) leaves up to 1 cm long. The flowers are 4–5 mm diameter, with five white petals the same length as the green sepals; they are produced singly on erect stems 2–4 cm long. The seeds are smooth, brown, triangular shaped, 0.4–0.5 mm, produced in a capsule 2.5–3 mm long.[7][8][9]

Varieties

There are two varieties, Sagina subulata var. subulata with glandular-hairy sepals, and Sagina subulata var. glabrata Gillot with hairless sepals; the latter is often a lawn weed, and has been confused with the related Mediterranean species Sagina pilifera.[7][10] The cultivar 'Aurea' (referred to as Scottish or Scotch Moss in the horticultural trade) is grown as a garden plant.[11]

References

  1. ↑ "The Plant List: A Working List of All Plant Species". Retrieved 12 May 2015.
  2. ↑ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. ↑ "Sagina subulata". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 12 May 2015.
  4. ↑ "Sagina". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 October 2015.
  5. ↑ Flora Europaea: Sagina subulata
  6. ↑ Den virtuella floran: Sagina subulata (in Swedish, with maps)
  7. 1 2 3 Flora of NW Europe: Sagina subulata
  8. ↑ Blamey, M. & Grey-Wilson, C. (1989). Flora of Britain and Northern Europe. ISBN 0-340-40170-2
  9. ↑ Heukel's Flora van Nederland
  10. ↑ Flora of Northern Ireland: Sagina subulata
  11. ↑ Horticopia: Sagina subulata 'Aurea' Archived June 16, 2008, at the Wayback Machine.

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