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

Fagus sylvatica 歐洲山毛櫸、歐洲水青岡

Common name: Beech
Scientific name: Fagus sylvatica 歐洲山毛櫸、歐洲水青岡
Genus: Fagus 水清岡屬、山毛櫸屬
Family: Fagaceae 殼斗科, oak and beech family

Remarks:

Origin: native

Date: 21st June

633 Upper surface of the leaf.

634 Lower surface of the leaf. It is highly infested with parasites.

636 A large, long-lived deciduous tree, up to 40m.

635

632 Fruit 12-18mm, glossy brown, enclosed in 'cupule' covered by stiff naroow scales.

Hypericum tetrapterum 四翼金絲桃

Common name: Square-stalked St John's-wort
Scientific name: Hypericum tetrapterum 四翼金絲桃
Genus: Hypericum 金絲桃屬
Family: Hypericaceae 金絲桃科, St. John's wort family

Remarks: 

Origin: native

Date: 9th Aug

283 An erect stoloniferous glabrous perennial, can reach up to 70cm.

293

294 Stem.

294-1 Enlarged photo above showing stem square in section, angles winged.

296 Lower stem, also square in section, angles winged. Upper surface of the leaves.

297-1 Upper surface of leaves showing the small translucent glands.

299 Lower surface of the leaves.

295 Leaves half-clasping stem. 

295-1 Black dots along the leaf margin.

301 Flower bud.

291 The inflorescence.

290-1 Side view of the flower showing sepals about 2/3 length of petals.

288 Flower pale yellow, about 1cm across.

292 Fruits.

Hypericum perforatum 貫葉連翹、 貫葉金絲桃、聖約翰草

Common name: Perforate St John's-wort
Scientific name: Hypericum perforatum 貫葉連翹、 貫葉金絲桃、聖約翰草
Genus: Hypericum 金絲桃屬
Family: Hypericaceae 金絲桃科, St. John's wort family

Remarks: 

Origin: native

Date: 22th June

43 An erect, glabrous, rhizomatous perennial, can reach up to 90 cm.

41-1 Stem with 2 raised lines. (vs stem with 4 raised lines, square in Hypericum maculatum 斑點金絲桃, imperforate St John's-wort)

37

38

36 Leaves to 2 cm.

36-1 Leaves with abundant small yellowish translucent glandular dots.

42 Underside of the leaf. Leaves are stalkless and nearly clasping the stem. (vs leaves are narrowed to base, not clasping stem in Hypericum maculatum 斑點金絲桃, imperforate St John's-wort)

42-1 Enlarged photo above to show the black dots on the leaf margin.

41 The inflorescence.

 

34 Flower bud.

34-1 Sepals are acute. (vs sepals are blunt in Hypericum maculatum 斑點金絲桃, imperforate St John's-wort)

39 Sepals shorter than petals.

32 Black dots along the edge of the petals.

31 Flowers about 2cm across.

31-1 A lot of stamens, 3 styles.