Hakidamegiku - Hakidamegiku

Japanese: ハキダメギク - はきだめぎく
Hakidamegiku - Hakidamegiku

An annual plant of the Asteraceae family. The stem is 10-60 cm tall, well-branched, soft, and hairy. The leaves are opposite, ovate, and trilaterally veined. From June to November, the plant produces small flower heads, each 4-5 mm in diameter. There are many yellow tubular flowers and about 5 white ray flowers. The achene is purple-black, and the pappus is short and scaly with a thorn-like upper edge. A naturalized plant native to Central America, it has spread worldwide as a weed. The name comes from the fact that this species was found growing in garbage dumps in Japan when it was first discovered.

[Hiroyuki Koyama]

Hakidamage
A naturalized plant native to Central America. The leaves are ovate and trilaterally veined, and the small flower heads bloom one after another from June to November. The tubular flowers are yellow and the ray flowers are white. Commonly found on roadsides and in fields south of Honshu. ©Shogakukan Photo by Masatoshi Hirose ">

Hakidamage

Aster sieboldii (specimen drawing)
©Kanzo Otawa ">

Aster sieboldii (specimen drawing)


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

キク科の一年草。茎は高さ10~60センチメートル、よく枝分れし、柔らかく、全体に毛が多い。葉は対生し、卵形で三行脈がある。6~11月、径4~5ミリメートルの小形の頭花を次々に開く。管状花は黄色で多数、舌状花は白色で約5個。痩果(そうか)は紫黒色を呈し、冠毛は短い鱗片(りんぺん)状で上部の縁(へり)が刺(とげ)状に分かれる。中央アメリカ原産の帰化植物で、雑草として全世界に広がっている。名は、本種が日本でみつかったとき、掃きだめに生えていたことによる。

[小山博滋]

ハキダメギク
中央アメリカ原産の帰化植物。葉は卵形で三行脈があり、6~11月、小形の頭花を次々に開く。管状花は黄色で、舌状花は白色。本州以南の道端や畑に普通にみられる©Shogakukan 撮影/広瀬雅敏">

ハキダメギク

ハキダメギク〔標本画〕
©大多和鐘三">

ハキダメギク〔標本画〕


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