Common name: American Willowherb
Scientific name: Epilobium ciliatum 東北柳葉菜
Genus: Epilobium 柳葉菜屬
Family: Onagraceae 柳葉菜科, willowherb or evening primrose family
Remarks*:
Origin: Neophyte (established after 1500 AD). A native of North America. An introduction unrecognized until the 1930s and was first collected in 1891.
Date: 10th June
46 A tall, much branched, often reddish non-stoloniferous perennial, can reach up to 75 cm.
45 Stems showing the hairs and glands and the branches.
44 The branches develop more at this junction.
36 Aphids are sucking sap from the stem.
37 Stems with 4 raised lines.
37 Photo cropped from above showing crisped hairs and numerous spreading glandular hairs.
39 Smooth on the older stem.
42 Younger leaves at the top of the plant.
41 bigger leaf near the bottom of the stem.
43 Underside of the leaf.
40 The inflorescence.
35 The flower buds.
32 The inflorescence. Some of the flower stalks are reddish.
32 Cropped photo from above. The flower stalks are also full of crisped hairs and numerous spreading glandular hairs.
27 The side-view of the flower showing the calyx.
28
28 Cropped photo from above showing crisped hairs and numerous spreading glandular hairs on the calyx.
25 Petals deeply notched, stigma club-shaped.
25 Cropped photo from above. It is difficult to see the shape of the stigma as the 4 shorter stamens lean against the stigma.
26 Stigma club-shaped.
26 Cropped photo from above. It is more easy to see the shape of the stigma from this flower, but still are not sure.
30 Stigma club-shaped.
30 Cropped photo from above. It is very clear from this flower that the stigma is club-shaped.
No comments:
Post a Comment