不二聖心女子学院　中学校・高等学校フィールド日記

トダシバ

2026-10-09T16:30:00+09:00

校舎裏の道端にトダシバが咲いています。日当たりのよい草原などによく見られるイネ科の多年草です。和名は現在の埼玉県戸田市の荒川周辺に広がっていた戸田ヶ原に多く生えていたことに由来します。

"Toda-Shiba" plants are in bloom along the roadside behind the school building. They are perennial plants in the Poaceae family that are commonly found in sunny grasslands. Their Japanese name comes from "Toda-gahara", an area along the Arakawa River in present-day Toda city, Saitama prefecture, where these plants once grew abundantly.

ツルニンジン

2026-10-06T17:10:00+09:00

校舎の裏でツルニンジンが咲いています。林縁などに見られるキキョウ科の多年草です。和名は、根が太く、高麗人参に似ていることに由来します。

"Tsuru-Ninjin" plants are in bloom behind the school building. They are perennial plants in the Campanulaceae family and are commonly found along forest edges. Their Japanese name comes from their thick roots, which resemble those of Asian ginseng (Kourai-Ninjin).

ハイヌメリグサ

2026-10-02T13:15:00+09:00

校舎前の植え込みでハイヌメリグサが咲いています。日当たりのよい湿地に生えるイネ科の一年草です。和名は茎の基部が地面をはって広がり、葉をもむとぬめり気がでることに由来します。

"Hai-Numerigusa" plants are in bloom in the shrubbery in front of the school building. They are annual plants in the Poaceae family that are typically found in sunny, wet areas. Their Japanese name comes from two characteristics: the base of their stems creep along the ground, and their leaves become slimy when rubbed.

ウシクサ

2026-09-29T16:00:00+09:00

校舎前の植え込みでウシクサが咲いています。湿った草地などに生えるイネ科の一年草です。造成地の法面(のりめん)に生えることもある一方で、多くの地域で絶滅危惧種に指定されている種でもあります。

"Ushikusa" plants are in bloom in the shrubbery in front of the school building. They are annual plants in the Poaceae family that are typically found in wet grasslands. While they sometimes grow on slopes in developed areas, they are listed as an endangered species in many parts of Japan.

スズメノヒエ

2026-09-25T16:55:00+09:00

校舎前の植え込みでスズメノヒエが咲いています。道端などに生えるイネ科の多年草です。外来種のシマスズメノヒエに似ていますが、シマスズメノヒエの葯は紫色なのに対し、本種の葯は黄色いのが特徴です。

"Suzumenohie" plants are in bloom in the shrubbery in front of the school building. They are perennial plants in the Poaceae family that are commonly found along roadsides. They closely resemble "Shima-Suzumenohie", which is a relative species native to South America. One way to distinguish the two is by the color of their anthers: those of "Shima-Suzumenohie" are purple, while those of "Suzumenohie" are yellow.

カヤツリグサ

2026-09-22T16:15:00+09:00

お茶室のわきでカヤツリグサが見られます。道端などに生えるカヤツリグサ科の一年草です。和名は蚊帳吊り草の意味で、茎を両端から割くとできる四角形を、蚊帳を吊る四角い枠組みに見立てたものです。

"Kayatsurigusa" plants can be seen by the tea house. They are annual plants in the Cyperaceae family that commonly grow along roadsides. The Japanese name comes from the fact that, when the stem is split from both sides, it forms a square shape resembling the frame of a traditional mosquito net, which is called "Kaya" in Japanese.

ヌスビトハギ

2026-09-18T14:40:00+09:00

お茶室のそばでヌスビトハギが咲いています。林縁などに生えるマメ科の多年草です。和名は、豆の形が盗人が忍び足（つま先歩き）で歩いた時の足跡の形に似ているからという説や、豆が人や動物にくっついて移動するようすに由来するという説があります。

"Nusubito-Hagi" plants are in bloom by the tea house. They are perennial plants in the Fabaceae family that commonly grow along forest edges. There are some theories about the origin of their Japanese name. One is that the shape of their seed pods resembles the footprints of a thief walking on tiptoe. Another is that the pods stick to people and animals, allowing the seeds to be carried to new places.

シマスズメノヒエ

2026-09-15T15:40:00+09:00

校舎前の植え込みでシマスズメノヒエが咲いていました。南アメリカ原産のイネ科の多年草です。在来種のスズメノヒエに似ていますが、スズメノヒエの葯が黄色なのに対し、本種の葯は紫色です。

"Shima-Suzumenohie" plants are in bloom in the shrubbery in front of the school building. They are perennial plants in the Poaceae family that are native to South America. They closely resemble "Suzumenohie", which is a relative species native to Japan. One way to distinguish the two is by the color of their anthers: those of "Suzumenohie" are yellow, while those of "Shima-Suzumenohie" are purple.

ハマスゲ

2026-09-11T16:25:00+09:00

お茶畑のわきでハマスゲが咲いていました。海辺などに生えるカヤツリグサ科の多年草です。和名は浜に生えることに由来しますが、畑や道端などにもよく見られます。地下にできる塊茎（イモ）はコウブシと呼ばれ、漢方薬として用いられます。

"Hamasuge" plants are in bloom by the tea garden. They are perennial plants in the Cyperaceae family that commonly grow in coastal areas. Although their Japanese name comes from the fact that they often grow on beaches, they can also be found in fields and along roadsides. Their underground tubers are called "Koubushi" and are used in traditional herbal medicine.

クロテンツキ

2026-09-08T15:25:00+09:00

マリアガーデンでクロテンツキが生えていました。水田の畔などに生えるカヤツリグサ科の多年草です。本来は池のそばなど湿った環境を好む植物ですが、このマリアガーデンの一角もクロテンツキにとって適した環境なのかもしれません。東京では絶滅危惧種に指定されています。

"Kuro-Tentsuki" plants are in bloom in the Marian Garden on our campus. They are perennial plants in the Cyperaceae family that commonly grow along the edges of rice fields. They naturally grow in wet places such as the edges of ponds. A corner of the Marian Garden seems to be a suitable habitat for them. In Tokyo, they are listed as an endangered species.

マルバノホロシ

2026-09-04T16:35:00+09:00

お茶室横にマルバノホロシが咲いていました。林縁などに見られるナス科のつる性の多年草です。ヤマホロシやヒヨドリジョウゴなど似ている仲間もありますが、毛が無いことや花の基部が緑色であることによって見分けることができます。

"Marubano-Horoshi" plants are in bloom by the tea house. They are vine-like perennial plants in the Solanaceae family that commonly grow along forest edges. Closely related species such as "Hiyodorijougo" and "Yama-Horoshi" look similar, but "Marubano-Horoshi" can be distinguished from them by its hairless stems and leaves and the green color at the base of its flowers.

オヒシバ

2026-09-01T18:35:00+09:00

お茶畑でオヒシバが咲いています。道端などに普通に生えるイネ科の一年草です。和名の雄日芝（オヒシバ）は、花のつき方が似ているメヒシバ（雌日芝）に比べて、穂や茎が太くたくましい草姿であることが由来です。

"Ohishiba" plants are in bloom by the tea garden. They are annual plants in the Poaceae family that commonly grow along roadsides. The name comes from the fact that their spikes and stems are thicker and tougher than those of a close relative plant called "Mehishiba", which has a similar-looking inflorescence.

アメリカスズメノヒエ

2026-08-28T16:30:00+09:00

お茶畑の近くでアメリカスズメノヒエが咲いていました。南アメリカ原産のイネ科の多年草です。緑化に用いられ、各地に急速に広がっているようです。

"America-Suzumenohie" plants are in bloom by the tea garden. They are perennial plants in the Poaceae family that are native to South America. They are used in greening and have spread rapidly to many parts of Japan.

コメヒシバ

2026-08-25T16:05:00+09:00

校舎前の植え込みにコメヒシバが咲いています。道端などに良く生えるイネ科の一年草です。近縁種のメヒシバとよく似ていますが、全体的に小型で、穂の軸がざらつかないという特徴があります。

"Ko-Mehishiba" plants are in bloom in the shrubbery in front of the school building. They are annual plants in the Poaceae family that commonly grow along roadsides. They look very similar to their close relatives called "Mehishiba", but they are smaller and can be distinguished by their smooth flower spike axes.

オニノゲシ

2026-08-21T16:30:00+09:00

校舎前の植え込みでオニノゲシが咲いています。道端などに見られるキク科の一年草または越年草です。ヨーロッパ原産の帰化植物です。同じくヨーロッパ原産の帰化植物であるノゲシと似ていますが、オニノゲシのほうが葉のトゲが硬く、触ると痛いです。

"Oni-Nogeshi" plants are in bloom in the shrubbery in front of the school building. They are annual or winter annual plants in the Asteraceae family that commonly grow along roadsides. They originally came from Europe. There is a close relative "Nogeshi," which also originated in Europe. The spines on the leaves of "Oni-Nogeshi" are harder and sharper than those of "Nogeshi," and they can hurt when touched.

コニシキソウ

2026-08-18T16:50:00+09:00

校舎前の植え込みでコニシキソウが咲いています。トウダイグサ科の北アメリカ原産の一年草です。畑や道端など、日本各地で普通に見られます。よく似た在来種のニシキソウは、コニシキソウに押されて少なくなっているようです。

"Ko-Nishikisou" plants are in bloom in the shrubbery in front of the school building. They are annual plants in the Euphorbiaceae family that originally come from North America. Their close relative called "Nishikisou"has been declining in number as it is being displaced by "Ko-Nishikisou".

コフキサルノコシカケ

2026-08-14T19:35:00+09:00

裏道でコフキサルノコシカケが発生しています。多年生で一年中みられる大型のキノコです。和名のコフキはココアパウダーのような胞子を大量に飛ばすことに由来します。傘の裏面は白色ですが、傷つけると褐色に変化します。

"Kofuki-Sarunokoshikake" mushrooms are growing along the back road. They are large perennial mushrooms that can be seen through the year. The name "Kofuki"comes from the large amount of cacao powder-like spores they release. The back of their cap is white, but it turns dark brown when scratched.

ヒノキゴケ

2026-08-11T16:05:00+09:00

ヒノキ林の林床にヒノキゴケが生えていました。谷沿いなどの湿度の高い環境を好むコケ植物です。美しい姿で苔庭などでも利用されるようです。

"Hinoki-Goke" mosses are growing in the Japanese cypress woodland. They thrive in moist, shady places especially along valleys and streams. Their beautiful appearance makes them a popular choice for moss gardens.

ヨウシュヤマゴボウ

2026-08-07T15:15:00+09:00

裏道でヨウシュヤマゴボウが咲いています。空き地などに見られるヤマゴボウ科の多年草です。食用として山ごぼうという名で売られている植物はキク科のモリアザミで、本種とは全くの別種です。本種は全体に毒があり、根や果実は食べることができません。

"Youshu-Yamagobou" plants are in bloom along the back road. They are perennial plants in the Phytolaccaceae family that commonly grow in vacant lots and other open areas. Although the name "Yamagobou" is also used for an edible food, that product actually comes from the roots of the "Moriazami" plant, a member of the Asteraceae family, and is completely unrelated to this species. All parts of Youshu-Yamagobou are toxic, so their roots and fruits are not edible.

メヒシバ

2026-08-04T16:55:00+09:00

お茶畑でメヒシバが咲いています。畑などに良く生えるイネ科の一年草です。日本全土で見られるほか、世界の暖帯～温帯に広く分布しているといわれています。

"Mehishiba" plants are in bloom by the tea garden. They are annual plants in the Poaceae family that commonly grow in fields. They are found throughout Japan and also are seen in warm-temperate and temperate regions around the world.

不二聖心女子学院 中学校・高等学校 フィールド日記