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Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

Stenactis strigosus

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ƒLƒN‰ÈƒqƒƒWƒ‡ƒIƒ“‘®‚̈ê”N‘‚ŁAŠw–¼‚Í Stenactis strigosusB‰p–¼‚Í Prairie fleabaneB 
The Prairie fleabane (Stenactis strigosus) belongs to Asteraceae (the Aster family). It is an annual herb that is native to North America, and was introduced into Japan in Taisho Era (about 90 years ago). This herb prefers to arid infertile soils and invades mountains to subalpine zone. The stem is erect, and the spatulate leaves are alternate, almost serrate, and entire. From July to October, the flowers are branched at the top and produce small white or light purple flowerheads.
[ãE’†‚QE’†‚T] ’·–쌧’}–k‘ºâˆäŒjÎ•XŽº‚ɂāA2006”N08ŒŽ01“úŽB‰eB
[’†‚PE’†‚U] ’·–쌧ˆÉ“ߎs‚‰“’¬ŸŠÔ‚ɂāA2006”N09ŒŽ22“úŽB‰eB
[’†‚R] ƒXƒCƒXEƒxƒ‹ƒ“BEƒCƒ“ƒ^[ƒ‰[ƒPƒ“uƒn[ƒ_[ƒNƒ‹ƒ€v‚ɂāA2007”N06ŒŽ27“úŽB‰eB(photo by Jon Suehiro)
[’†‚SE’†‚V] ˆïéŒ§_²Žs–öì‚ɂāA2007”N07ŒŽ12“úŽB‰eB
[’†‚W`‚P‚OE‰º] ŽRŒ`Œ§ˆ¼ì’¬’†“n‚ɂāA2023”N07ŒŽ03“úŽB‰eB

Shu Suehiro
shu@botanic.jp