Erigeron philadelphicus

  • Erigeron philadelphicus_img_0
    Erigeron philadelphicus @ Tokyo Sea Life Park

Basic information

Flower Name
Erigeron philadelphicus
Formal Name
Erigeron philadelphicus
Alias
Philadelphia fleabane
Habitat
North American
Morph
annual or biennial wildflower grass

Comment

What is Erigeron philadelphicus

Erigeron philadelphicus, Annual fleabane or Harujion (scientific name: Erigeron philadelphicus) is an annual or biennial wildflower in the family Asteraceae. It grows wild from spring to summer in the wastelands and roadsides north of Kyushu. There is a similar flower in the same genus, Annual fleabane (scientific name: Erigeron annuus). The differences between them are as follows. E. philadelphicus blooms in the spring, with buds facing downward, leaves hugging the stem and stems is hollow and has no hairs on the underside of the leaves. On the other hand, E. annuus blooms in early summer, the buds are upturned, the leaves do not hug the stem, and the stem is in The white pith is packed with white pith and has no hollow space, and the undersides of the leaves are hairy. Also, E. philadelphicus is taller than E. annuus. It has low, large diameter, white tongue-shaped flowers with low numbers of flowers.

Common name: Erigeron philadelphicus, scientific name: Erigeron philadelphicus, Also known as: Annual fleabane or Harujion, Place of origin: North America, Distribution: Japan, north of Kyushu, Environment: wastelands and roadsides; Living type: perennial wildflowers; grass height: 30-100 cm, Flower color: white or light purple, Flower diameter: 2.5 cm, flowering season: April to July, Characteristics: stem leaves hug the stem at the base.

Detailed information

Order
Asterales
Family
Asteraceae
Genus
Erigeron
Species
E. philadelphicus
Flower type
Actinomorphic Flower
Flower array
Solitary Inflorescence
Petal shape
capitate corolla
Leaf type
Pinnate
Leaf edge
Serrated
Flowering place
Plain/fleet
Color
Violet, White
Season
AprMayJunJul
Height
30 ~ 100 [cm]
Diameter
2.5 ~

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