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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‰ÈƒqƒƒWƒ‡ƒIƒ“‘®‚̈ê”N‘‚ÅAŠw–¼‚Í Stenactis strigosusB‰p–¼‚Í Prairie fleabaneB 
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.
[ãE’†‚QE’†‚T] ’·–쌧’}–k‘ºâˆäŒjΕXŽº‚É‚ÄA2006”N08ŒŽ01“úŽB‰eB
[’†‚PE’†‚U] ’·–쌧ˆÉ“ߎs‚‰“’¬ŸŠÔ‚É‚ÄA2006”N09ŒŽ22“úŽB‰eB
[’†‚R] ƒXƒCƒXEƒxƒ‹ƒ“BEƒCƒ“ƒ^[ƒ‰[ƒPƒ“uƒn[ƒ_[ƒNƒ‹ƒ€v‚É‚ÄA2007”N06ŒŽ27“úŽB‰eB(photo by Jon Suehiro)
[’†‚SE’†‚V] ˆï錧_²Žs–öì‚É‚ÄA2007”N07ŒŽ12“úŽB‰eB
[’†‚W`‚P‚OE‰º] ŽRŒ`Œ§ˆ¼ì’¬’†“n‚É‚ÄA2023”N07ŒŽ03“úŽB‰eB

Shu Suehiro
shu@botanic.jp