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


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Hydrangea luteo-venosa / Kogakuajisai コガクウツギ

Bloom time: June-July

Family: Saxigafragaceae /


Species in the genus Hydrangea:

Hydrangea hirta / Koajisai
Hydrangea hirta f. albiflora / Shirobanakoajisai
Hydrangea luteo-venosa / Kogakuutsugi
Hydrangea paniculata / Noriutsugi
Hydrangea petiolaris / Tsuruajisai
Hydrangea serrata / Yamaajisai
Hydrangea serrata var.megacarpa /


Hydrangea luteo-venosa / Kogakuajisai コガクウツギ

Hydrangea luteo-venosa, a deciduous shrub as tall as 1.5 meters, grows in bright hills or low mountain slopes with slender branches, young ones tingeing red-purple. Leaves are alternate, blades measuring 3-5cm, with margins with sparse prominent serrations. Both surfaces are hairy on veins and incredibly dense on the backsides. Inflorescences measure 2-7cm in diameter; ornamental flowers are not many, one to three. Some inflorescences comprise decorative flowers only. The ornamental flowers are white, 1.5-2.5cm in diameter, and occasionally tinge light yellow. Hermaphrodite flowers are pale yellow-green, about 8mm across, with petals' tips pointed. Bloom time: June-July.



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