Scrophulariaceae - Sesame grass

Japanese: ゴマノハグサ - ごまのはぐさ
Scrophulariaceae - Sesame grass

A perennial plant of the Scrophulariaceae family (APG classification: Scrophulariaceae). The stem is upright and grows to a height of about 1 meter, with swollen roots. The leaves are ovate and serrated. In summer, it produces long, slender racemes and produces many small yellow-green flowers. The corolla is urn-shaped. It has four stamens, one stamen, and one pistil. The capsule is ovate. It grows in slightly damp grasslands and is distributed in Honshu, Shikoku, and Kyushu west of the Kanto region, as well as Korea, Taiwan, and China. There are four other species of this genus that grow wild in Japan, including Hinano-Usutsubo and Oohino-Usutsubo. The name comes from the fact that the shape of the leaves resembles sesame.

[Yamazaki Takashi August 20, 2021]

[Reference item] | Giant Hinano Usutsubo | Hinano Usutsubo
Scrophulariaceae (specimen drawing)
©Kanzo Otawa ">

Scrophulariaceae (specimen drawing)


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

ゴマノハグサ科(APG分類:ゴマノハグサ科)の多年草。茎は直立して高さ1メートルほどとなり、根は肥大する。葉は卵形で鋸歯(きょし)がある。夏、細長い総状花序をつくり、黄緑色の小さな花を多数つける。花冠は壺(つぼ)形。4本の雄しべと1個の仮雄蕊(かゆうずい)、1本の雌しべがある。蒴果(さくか)は卵形。やや湿った草地に生え、関東地方以西の本州、四国、九州および朝鮮、台湾、中国に分布する。日本に野生するこの属のものは、ほかにヒナノウスツボ、オオヒナノウスツボなど4種ある。名は、葉の形がゴマを思わせるのでいう。

[山崎 敬 2021年8月20日]

[参照項目] | オオヒナノウスツボ | ヒナノウスツボ
ゴマノハグサ〔標本画〕
©大多和鐘三">

ゴマノハグサ〔標本画〕


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