From Wikipedia, the free encyclopedia

Greeneocharis circumscissa

Secure  ( NatureServe) [1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Greeneocharis
Species:
G. circumscissa
Binomial name
Greeneocharis circumscissa
( Hook. & Arn.) Rydb.
Synonyms [2]
  • Cryptantha circumscissa (Hook. & Arn.) I.M.Johnst.
  • Eritrichium circumscissum (Hook. & Arn.) A.Gray
  • Krynitzkia circumcissa (Hook. & Arn.) A.Gray
  • Lithospermum circumscissum Hook. & Arn.
  • Piptocalyx circumscissus (Hook. & Arn.) Torr.
  • Wheelerella circumcissa (Hook. & Arn.) G.B.Grant

Greeneocharis circumscissa is a species of flowering plant in the borage family, [2] known by the common name cushion cryptantha. It is native to western North America from Washington to Baja California to Colorado and it is also found in Argentina. [3] It grows in sandy or gravelly types of habitat, from mountains to desert, below 9,500 m (31,200 ft) above sea level. [4]

This is an annual herb producing a short, bristly, multi-branched stem tangled into a mat no more than 10 centimeters tall. It grows from a red taproot which dries purple. The leaves are up to 1.5 centimeters long, linear to widely lance-shaped, and densely hairy to bristly. The inflorescence is a length of developing fruits with a dense cluster of up to 5 flowers at the tip. The flower has a five-lobed white corolla with yellow appendages at the top of its tube. It flowers between April and August. [4]

It was first published in Bull. Torrey Bot. Club vol.36 on page 677 in 1909. [2]

The Latin specific epithet circumscissa is derived from the Latin for "cut around" because the upper half of the fruiting calyx falls away when the nutlets are ripe. [5]

It has 3 known variants; [2]

  • Greeneocharis circumscissa var. circumscissa
  • Greeneocharis circumscissa var. hispida J.F.Macbr.
  • Greeneocharis circumscissa var. rosulata (J.T.Howell) Hasenstab & M.G.Simpson

References

  1. ^ NatureServe (2023). "Cryptantha circumscissa". Arlington, Virginia. Retrieved 9 November 2023.
  2. ^ a b c d "Greeneocharis circumscissa (Hook. & Arn.) Rydb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 November 2023.
  3. ^ Thomas Henry Kearney and Robert Hibbs Peebles Flowering Plants and Ferns of Arizona (1942), p. 753, at Google Books
  4. ^ a b Philip Alexander Munz A California Flora (1959), p. 567, at Google Books
  5. ^ "Page CI-CY". www.calflora.net. Retrieved 10 July 2022.
From Wikipedia, the free encyclopedia

Greeneocharis circumscissa

Secure  ( NatureServe) [1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Boraginales
Family: Boraginaceae
Genus: Greeneocharis
Species:
G. circumscissa
Binomial name
Greeneocharis circumscissa
( Hook. & Arn.) Rydb.
Synonyms [2]
  • Cryptantha circumscissa (Hook. & Arn.) I.M.Johnst.
  • Eritrichium circumscissum (Hook. & Arn.) A.Gray
  • Krynitzkia circumcissa (Hook. & Arn.) A.Gray
  • Lithospermum circumscissum Hook. & Arn.
  • Piptocalyx circumscissus (Hook. & Arn.) Torr.
  • Wheelerella circumcissa (Hook. & Arn.) G.B.Grant

Greeneocharis circumscissa is a species of flowering plant in the borage family, [2] known by the common name cushion cryptantha. It is native to western North America from Washington to Baja California to Colorado and it is also found in Argentina. [3] It grows in sandy or gravelly types of habitat, from mountains to desert, below 9,500 m (31,200 ft) above sea level. [4]

This is an annual herb producing a short, bristly, multi-branched stem tangled into a mat no more than 10 centimeters tall. It grows from a red taproot which dries purple. The leaves are up to 1.5 centimeters long, linear to widely lance-shaped, and densely hairy to bristly. The inflorescence is a length of developing fruits with a dense cluster of up to 5 flowers at the tip. The flower has a five-lobed white corolla with yellow appendages at the top of its tube. It flowers between April and August. [4]

It was first published in Bull. Torrey Bot. Club vol.36 on page 677 in 1909. [2]

The Latin specific epithet circumscissa is derived from the Latin for "cut around" because the upper half of the fruiting calyx falls away when the nutlets are ripe. [5]

It has 3 known variants; [2]

  • Greeneocharis circumscissa var. circumscissa
  • Greeneocharis circumscissa var. hispida J.F.Macbr.
  • Greeneocharis circumscissa var. rosulata (J.T.Howell) Hasenstab & M.G.Simpson

References

  1. ^ NatureServe (2023). "Cryptantha circumscissa". Arlington, Virginia. Retrieved 9 November 2023.
  2. ^ a b c d "Greeneocharis circumscissa (Hook. & Arn.) Rydb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 9 November 2023.
  3. ^ Thomas Henry Kearney and Robert Hibbs Peebles Flowering Plants and Ferns of Arizona (1942), p. 753, at Google Books
  4. ^ a b Philip Alexander Munz A California Flora (1959), p. 567, at Google Books
  5. ^ "Page CI-CY". www.calflora.net. Retrieved 10 July 2022.

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