‚߂܂‚悢‚®‚³ (Ž“‘ҏª‘)

Oenothera biennis

Oenothera biennis

Oenothera biennis

Oenothera biennis

Oenothera biennis

Oenothera biennis

Oenothera biennis

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ƒAƒJƒoƒi‰Èƒ}ƒcƒˆƒCƒOƒT‘®‚Ì“ñ”N‘‚ŁAŠw–¼‚Í Oenothera biennisB
‰p–¼‚Í Evening primroseB
Evening primrose belongs to the Onagraceae (the Evening primrose family).
It is a biennial herb that is native to North America. This herb was
introduced into Japan in late Meiji Era (about 100 years ago). Nowadays it
is naturalized in so many places, and grows on roadsides or stream banks.
It produces yellow flowers from evening to dawn. It is resemble to Large-
flower'd evening primrose, though it is defined that the hairs on stems and
fruits are soft, not reddish at the bases and the petals do not turn in reddish
when faded.
[ã] ˆïéŒ§_²Žs–öì‚ɂāA2007”N07ŒŽ12“úŽB‰eB
[’†‚P] ’·–쌧ˆÉ“ߎs‚‰“’¬ŸŠÔ‚ɂāA2006”N09ŒŽ22“úŽB‰eB
[’†‚QE’†‚R] ’·–쌧–k‘Š–Ø‘º‹ž‚ÌŠâ‚ɂāA2005”N07ŒŽ09“úŽB‰eB
[’†‚S] Šò•ŒŒ§‚ŽRŽs‘‘ì’¬–ìX–“‚ɂāA2004”N10ŒŽ30“úŽB‰eB
[’†‚T] Šò•ŒŒ§‚ŽRŽs‰œ”ò‘ˉ·ò‹½‚ɂāA2007”N08ŒŽ01“úŽB‰eB
[‰º] –kŠC“¹–kŒ©Žsí˜C’¬uƒƒbƒJŒ´¶‰Ô‰€v‚ɂāA
2009”N08ŒŽ04“úŽB‰eB(photo by Aya Nishizawa)

Shu Suehiro
shu@botanic.jp