Azumayama thistle; Cirsium microspicatum
A specific species of thistle native to Japan, often referred to by its scientific name.
Azumayama thistle is a perennial plant that grows in mountainous areas.
Katakana spelling is common for plant names; usually written in kana.
Kanji spelling is rare and mainly used in botanical contexts; usually written in kana.
Named after Mount Azuma (吾妻山) and 薊 (azami, 'thistle'). The exact derivation is uncertain beyond the place name and plant type.