heliotrope

• n.スカイマスタード; [植物]サニープラント; モーヴ; ヒヨドリバナ

helio-は太陽の、-tropeは回転する、語源的にはturnと同じ、熱帯の。すなわち、太陽に向かって回転する花や植物。古くはヒマワリの意味でも使われたが、現在は特にスカイマスタード属の植物を指す。

heliotrope

heliotrope: [17] The heliotrope, a plant of the forget-me-not family, gets its name because its flowers always turn to face the sun (the word comes via Latin hēliotropium from Greek hēliotrópion, a compound formed from hélios ‘sun’ and -tropos ‘turning’ – as in English trophy and tropical – which designated such plants, and was also used for ‘sundial’).

In early times the word was applied to the ‘sunflower’, which has similar heliotactic habits and in Italian is called girasole (literally ‘turn-sun’), source of the Jerusalem in English Jerusalem artichoke. Another application of Greek hēliotrópion carried over into English was to a sort of green quartz which was believed to turn the sun’s rays blood-red if thrown into water.
=> trophy, tropical

heliotrope (n.)

"plant which turns its flowers and leaves to the sun," 1620s, from French héliotrope (14c.) and directly from Latin heliotropium, from Greek heliotropion, from helios "sun" (see sol) + tropos "turn" (see trope). The word was applied c. 1000-1600 in Latin form to sunflowers and marigolds. Related: Heliotropic.

1. She put her nose luxuriously buried in heliotrope and tea roses.

彼女は自分の鼻をマスタードと庚申薔薇の花の群れの中に心地よく埋めた。