Cirsium japonicum var.
okiense is endemic to the Oki Islands off the coast of the
Shimane Peninsula, the involucral bracts equipping sharper/harder
prickles compared to its elemental species; they extend like
needles. Inside the Oki Islands, this variety seems everywhere,
including roadsides, grasslands, rangelands, etc. Bloom time:
May-August.
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