Isodon longitubus

  • Isodon longitubus_img_0
    Isodon longitubus @ in preparation

Basic information

Flower Name
Isodon longitubus
Formal Name
Isodon longitubus
Alias
Trumpet spurflower, Rabdosia longituba, Plectranthus longitubus
Habitat
Japan
Morph
Perennial plant

Comment

What is Isodon longitubus

Isodon longitubus,Trumpet spurflower, or Aki chouji (scientific name: Isodon longitubus) is a perennial herb in the family Lamiaceae native to Japan. The blue-purple, lip-shaped flowers bloom in the fall. This species is found in the shade of trees in the mountains of Japan from Gifu to Kyushu. The stem is square with a long, tubular tip that splits into two lip-shaped flowers. Japanese name of the flower comes from the fact that it produces a clove shaped flower in autumn. There is a similar flower, :Isodon effusus or 'Sekiya no aki chouji' (scientific name: Isodon effusus). While Akitouji (I. longitubus) is found in western Japan and has short petioles, Sekiya's Akitouji (I. effusus) is found in eastern Japan and has relatively long flowers, petioles and leaves.

*) The image of the red fish is temporarily displayed because the image is still being prepared.

Generic name: Isodon longitubus, Scientific name: Isodon longitubus, alias: Kiribubo, trumpet spurflower, Habitat distribution: Japan from Gifu to Kyushu, Environment: Shade of mountainous area, Type of life: Perennial, Plant Height: 60-100 cm, Stem: Rectangle, Leaf shape: Narrow-oval, Petiole: Diole, Flower color: Bluish purple, Flowering period: August - October, Crown shape: Labrum with two elongated cylinders, Upper lip: 4 lobes, Lower lip: Boat-shaped, Crown length: 2 cm, Sepals: 3 lobes on top, 2 lobes on bottom.

Detailed information

Order
Lamiales
Family
Lamiaceae
Genus
Isodon
Species
I. longitubus
Flower type
Zygomorphic Flower
Flower array
Panicle
Petal shape
Labiate
Leaf type
Oblong
Leaf edge
Serrated
Flowering place
Plain/fleet
Color
Blue, Violet
Season
AugSepOct
Height
60 ~ 100 [cm]
Diameter
1.4 ~ 1.8

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