touch-me-not

...There are five stamens, anthers fused together and covering the stigma, one pistil, five carpels, an upper, five-lobed ovary, which divides into five lobes when mature. I. hypophylla Makino, which resembles Impatiens, but whose inflorescence does not protrude from the leaves and whose flowers are hidden under the leaves, is found in central and westward Honshu, while I. nolitangere L. (English name: touch-me-not), which is slightly taller and has yellow flowers, is widely distributed in the temperate zone of the Northern Hemisphere and can be found throughout Japan. The Impatiens genus (English names: touch-me-not, balsam, jewelweed) has about 500 species, mainly found in the tropical regions of Asia and Africa, and shows a great variety of variations in seed shape, seedling form, ovary structure, chromosome number, etc. ...

*Some of the terminology explanations that mention "touch-me-not" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…おしべは5本，葯は合生して柱頭をおおい，めしべは1本，5心皮性，子房は上位，5室，成熟すると5片に割れる。　ツリフネソウに似るが，花序が葉よりつき出さず，花は葉下に隠れるハガクレツリフネI.hypophylla Makinoは本州中部以西に，また草丈がやや高く，花は黄色のキツリフネI.nolitangere L.(英名touch‐me‐not)は北半球温帯に広く分布し，日本各地にある。　ツリフネソウ属Impatiens(英名touch‐me‐not,balsam,jewelweed)はアジア，アフリカの熱帯を中心に500種ほどあり，種子の形，実生の形態，子房の構造，染色体数など，きわめて多彩な変化がみられる。…

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