Blue star

Tweedia caerulea

  • Blue star
  • Blue star
  • Blue star
  • Blue star
  • Flower name
    Blue star
  • Scientific name
    Tweedia caerulea
  • Alias瑠璃唐綿, Blue star, Southern star, Tweedia, Blue milkweed, ブルースター, サザンスター
  • Place of originSouth America from Southern Brazil to Uruguay
  • Place of floweringCut flowers, flower arrangement, Potted flower
  • Flowering seasonApril, May, June, July, August, September, October
  • Language of flowersHearts believe

What is Blue star

Blue star(scientific name: Oxypetalum coeruleum) is a semi - vermicious evergreen perennial of the genus Opetarumum of the family Apocynaceae native to South America from Southern Brazil to Uruguay. It grows on sunny vacant lots and riverbeds. Pure hair grows on the stem, and it looks whitish. Leaves are elliptical with a base of heart shape, and leaves are opposite. For a long period from spring to fall, a small group of small sky-colored five-valve flowers will bloom from the axils in small groups. Flower color changes to sky blue, deep blue, pink color, purple, with time, and it will wither. The diameter of the corolla is about 3 cm and there is a secondary corolla, the stamens in the center of the flower popping out. Milky white liquid that comes out when cut is toxic and irritating. Applications are cut flowers, potted flowers, bouquets.

Generic name: Blue star, Scientific name: Oxypetalum caeruleum, Synonyms: Tweedia caeruleaaka, aka: Blue star, Ruri-touwata (Japanese), Southern star, Tweedia, Blue milkweed, original place: South America from Southern Brazil to Uruguay, Environment: sunny vacant lots, riverbeds, life style: semi-vermiform evergreen perennials, plant height: 40 to 100 cm, leaf shape : Long-ellipsoidal shape of the mind shape at the base, leaf order: virgin, number of petals: 5, flower diameter: 2 to 3 cm, there is a secondary corolla at the flower center. Flowering period: April to October, flower color: sky blue · deep blue · pink · purple, fruit type: fruit, use: cut flower, pot flower, engagement bouquet, note: poison to anther and stigma.

  • Order
  • Family
  • Genus
  • Species
    O. caeruleum
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Scattered inflorescence/ umbrella shape
  • Petal shape
  • Leaf type
  • Edge of the leaf
  • Life typeHalf of vines grass green for many years
  • Flower colorsBlue
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height40.0 ~ 100.0 cm
  • Diameter of flower2.0 ~ 3.0 cm

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