Friday, 22 September 2023

Spiraea japonica 粉花繡線菊

Common name: Japanese Spiraea
Scientific name: Spiraea japonica 粉花繡線菊, 日本繡線菊
Genus: Spiraea 繡線菊屬
Family: Rosaceae 薔薇科, rose family

Remarks*: 

Origin: Neophyte (established after 1500 AD). A native of China, Korea and Japan. It is introduced in 1853 and was recorded from the wild by 1909.

Date: 22th June

120

110 Glabrous stem.

119 Leaves of different size and postion.

118 Margin serrated

113

113-1 bud at leaf axil?

112 Flowering twig.

111 Underside of the leaf.

117

117-1 Earlier stage of flower buds.

117-2 Bracteoles of flower buds.

109 Later stage of flower buds.

109-1

109-2 Two bracteoles of different length per each flower buds.

103

103-1 Flower buds. The inner surface of the tip of the sepals are hairy.

115

115-1 Side view of the flowers showing the sepals.
 
107

107-1 Flowers not yet fully open, the inner whorl of stamens start unfolding.

105

105-1 5 styles with ovaries deep inside the flower; a lot of stamens.

105-2

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