Biology:Leuzea rhapontica subsp. heleniifolia

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Short description: Species of flowering plants in the daisy family Asteraceae

Leuzea rhapontica subsp. heleniifolia
Asteraceae - Rhaponticum heleniifolium subsp. heleniifolium-1.JPG
Flower
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Leuzea
Species:
L. rhapontica
Subspecies:
L. r. subsp. heleniifolia
Trinomial name
Leuzea rhapontica subsp. heleniifolia
(Gren. & Godr.) Holub[1]
Synonyms[1]
  • Stemmacantha heleniifolia Rhaponticum heleniifolium
  • Centaurea heleniifolia (Gren. & Godr.) Fritsch
  • Bellardi Gren. & Godr.
  • Rhaponticum lyratum Centaurea rhapontica subsp. heleniifolia
  • (DC.) Bergmans, nom. illeg. (Godr. & Gren.) Dittrich
  • Centaurea lyrata (Gren. & Godr.) Arcang.
  • (Godr. & Gren.) Nyman Rhaponticum scariosum subsp. heleniifolium

Leuzea rhapontica subsp. heleniifolia, synonym Rhaponticum heleniifolium, is a flowering plant in the genus Leuzea of the family Asteraceae.[1]

Description

The biological form of Leuzea rhapontica subsp. heleniifolia is hemicryptophyte scapose,[2] as its overwintering buds are situated just below the soil surface and the floral axis is more or less erect with a few leaves.

Scales with acute apex on a flower head

Leuzea rhapontica subsp. heleniifolia reaches on average 50–150 centimetres (20–59 in) in height.[2] The strong, thick, upright stem is quite leafy and hairy and usually has only one inflorescence. The leaves are green, while its underside is white-tomentose.[2] Regarding the morphology of leaf blades, this species is quite polymorphic. The basal leaves are usually lanceolate or elliptical and petiolated.[2] The flower heads are pink to purple, spherical and very large (about 6–10 centimetres (2.4–3.9 in) in diameter).[2] The bracts are brownish and membranous. The flowering period extends from June to August. The flowers are hermaphroditic and are pollinated by insects. The fruits are brown achenes.

Distribution

This quite rare plant occurs in Italy, France , Switzerland , and Austria.[1][3]

Habitat

It grows in western Alps in sub-alpine and alpine meadows and stony slopes. This plant prefers calcareous soils, at altitudes from 750 to 2500 meters.[2]

Gallery

  • Plants

  • Flower

  • Leaves

References

  1. ↑ 1.0 1.1 1.2 1.3 "Leuzea rhapontica subsp. heleniifolia (Gren. & Godr.) Holub". Plants of the World Online. Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:877620-1. 
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Pignatti S. - Flora d'Italia – Edagricole – 1982. Vol. III, pag. 173
  3. ↑ Distribution and Synonyms in Compositae
  • Josef Holub - Contribution to the taxonomy and nomenclature of Leuzea DC. and Rhaponticum auct - Folia Geobotanica - Vol. 1 / 1966 - Vol. 46 / 2011

External links

Wikidata ☰ {{{from}}} entry




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