Ageratum houstonianum

  • Ageratum houstonianum_img_0
    Ageratum houstonianum @ Yufuin
  • Ageratum houstonianum_img_1
    Ageratum houstonianum @ Farm Tomita
  • Ageratum houstonianum_img_2
    Ageratum houstonianum @ Farm Tomita
  • Ageratum houstonianum_img_3
    Ageratum houstonianum @ Farm Tomita
  • Ageratum houstonianum_img_4
    Ageratum houstonianum @ Kojimachi
  • Ageratum houstonianum_img_5
    Ageratum houstonianum @ Yufuin

Basic information

Flower Name
Ageratum houstonianum
Formal Name
Ageratum houstonianum
Alias
Ageratum, Floss flower
Habitat
Latin America, such as Mexico and Peru
Morph
non-cold-resistant annual grass

Comment

What is Ageratum houstonianum

Ageratum houstonianum or flossflower (Scientific name: Ageratum houstonianum) is native to Latin America, such as Mexico and Peru, is a non-cold-resistant annual grass of the family Asteraceae. Originally it is perennial ,however it is weak against cold because its origin is South America and it will be treated as an annual grass on gardening because it withers before winter in Japan. Horticultural varieties are mainly circulating. The stem stands upright, the leaves are green and round, attached to the stem. It is called "Floss flower" in English name because it looks soft like a cosmetic puff like "cosmetic puff" which stretches out flower inflorescence and gathers florets with acicular petals. Flower color is predominantly blue-violet, but there are white and peach colored ones. Although flowers bloom for a long time, it is necessary to pinch the flower shells and dead leaves frequently. In another name, the so-called clown thistle (Dao Hua Xiao) is similar to the incense of herbal medicinal herb "Cucumber, Pogostemon patchouli" in the genus Muslantidae family, the flower resembles a thistle and is even bigger It is based on that. The genus name "Ageratum" is "a" (negative prefix) + "geras" (stale) = not old (not old). "Species hypothesis" of the seed name to the Scottish botanist William Houston who collected plants in Latin America. The flower language is "ease." This is due to blooming for a long time because flower color does not fade.

Name: Ageratum, Scientific name: Ageratum houstonianum, aka: Floss flower, birth of plant: Mexico, Peru and other Latin America, plant height: 20 cm (dwarf)) to 70 cm (high seed), whole grass: with brush, stalk: upright,Inflorescence type: corymbs, inflorescence diameter: 6 to 10 cm, leaf order: opposite, leaf length: 10 cm, leaf shape: round to egg, corolla: head flower, flower color: bluish purple, white, peach, flowering period: June to October, flower diameter: 1 cm, use: gardening, potted plant, Flower bed, cut flowers, herbs.

Detailed information

Order
Asterales
Family
Asteraceae
Genus
ageratum
Species
A. houstonianum
Flower language
Aetna (May 10, Oct 24, Oct 29)
Flower type
Actinomorphic Flower
Flower array
Corymb
Petal shape
capitate corolla
Leaf type
Round/Circle
Leaf edge
Serrated
Flowering place
GardenCt flower・Flower arrangementparkPot flower
Color
Pink, Blue, Violet, White
Season
JunJulAugSepOct
Height
20 ~ 70 [cm]
Diameter
1 ~ 1

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