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Castellia tuberculosa

Scientific Name: Castellia tuberculosa

Family: Poaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Castellia tuberculosa

Castellia tuberculosa is the only known species within the Castellia genus, a group of plants belonging to the grass family.

Taxonomy and Nomenclature

  • Scientific Name: Castellia tuberculosa (Moris) Bor
  • Family: Poaceae (Grass family)
  • Rank: Species
  • Synonyms:
    • Catapodium tuberculosum Moris
    • Desmazeria tuberculosa (Moris) Batt. & Trab.
    • Festuca tuberculosa (Moris) Coss. & Durieu
    • Nardurus tuberculosus (Moris) Hayek
    • Castellia tuberculata Tineo
  • Basionym: Desmazeria tuberculosa (Moris) Batt. & Trab. (1884)
  • Nomenclatural Reference: Ind. Forest. 74: 90. 1948.

Distribution and Habitat

  • Native to southern Europe, including Spain.
  • Possible native presence in the Canary Islands.
  • Also found in India.
  • Circum-Mediterranean distribution

Morphological Characteristics

  • Annual plant.
  • Culms (stems) are decumbent (lying along the ground with the tip ascending), ranging from 50 to 100 cm in length.
  • Leaf-sheath oral hairs are lacking.
  • Leaf-sheath auricles are falcate (sickle-shaped).
  • Ligule is an eciliate membrane.
  • Stems can reach up to 75 cm high.
  • Inflorescence (flower cluster) ranges from 4 to 26 cm in length.
  • Spikelets are ovate (egg-shaped), measuring 9 to 15 mm long.
  • Glumes (protective bracts of the spikelet) are glabrous (smooth), with the lower glume measuring 2.8 to 3.5 mm long and the upper glume measuring 3.5 to 5 mm long.
  • Inflorescences are in the form of racemes (elongated cluster of flowers).

Other Information

  • First described by Giuseppe Giacinto Moris, with the name validated by Norman Loftus Bor.

Resources and Further Information

  • Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service.
  • BSBI List of British & Irish Vascular Plants and Stoneworts.
  • The Plant List.
  • IPNI (International Plant Names Index).
  • Australian Plant Name Index.
  • NYBG (New York Botanical Garden) Virtual Herbarium.
  • Kew.org grasses database: http://www.kew.org/data/grasses-db/www/imp02022.htm