Wild plants in and around Shimane 島根とその周辺の野生植物




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Oleaceae / Mokuseika


Species in the genus Forsythia:

Forsythia japonica / Yamatorengyou

Forsythia japonica / Yamatorengyou ヤマトレンギョウ

Forsythia japonica is a deciduous shrub endemic to limestone areas in the Chugoku Region, growing to 1-2.5m tall. Leaves are of opposite phyllotaxis, in the shape of a broad-oval, 7-12cm long, 4-6cm wide, apexes abruptly tapering to points, bases circular, and margins sharply serrated. Flowers, dioecious, yellow, 2.5cm across, bloom simultaneously as the leaves develop. Corollas are cleft in 4, the lobes narrow-oblong, about 12mm long, 5-6mm wide. Sepals measure 2.5-3mm in length. Bloom time: April.




inserted by FC2 system