Thursday, 26 August 2021

Oenothera cambrica

Common name: Small-flowered Evening-primose
Scientific name: Oenothera cambrica
Genus: Oenothera 月見草屬
Family: Onagraceae 柳葉菜科, willowherb or evening primrose family

Origin: Neophyte (established after 1500 AD). It is probably native of N. America, or evolved in Europe from ancestors orginally from N. America. It was introduced to cultivation in 1775, and was first recorded from the wild in Cardiff (Glamorgan) in 1833.

Date: 24th Aug




sepals green




petals 20-30 mm, as wide as long



capsules with or without red-based hairs


green parts of stem with or without red-based hairs


Wednesday, 25 August 2021

Anagallis arvensis ssp. arvensis 琉璃繁縷

Common name: Scarlet Pimpernel
Scientific name: Anagallis arvensis ssp. arvensis 琉璃繁縷
Genus: Anagallis 琉璃繁縷屬
Family: Primulaceae 報春花科, primrose family

Origin: native

Date: 15th Aug


not open yet around 0945








open nearly fully around 1010


fruit (27th Aug)

Sunday, 22 August 2021

Gentianella amarella 秋龍膽

Common name: Autumn Gentian, Felwort
Scientific name: Gentianella amarella 秋龍膽
Genus: Gentianella 假龍膽屬

Family: Gentianaceae 龍膽科, gentian family

Origin: native

Date: 22nd Aug








flower with 4 corolla lobes






flower with 5 corolla lobes

Saturday, 21 August 2021

Geranium dissectum 刻葉老鸛草, 裂葉老鸛草, 深裂老鸛草

Common name: Cut-leaved Crane's-bill
Scientific name: Geranium dissectum 刻葉老鸛草, 裂葉老鸛草, 深裂老鸛草
Genus: Geranium 老鸛草屬
Family: Geraniaceae 牻牛兒苗科, cranesbill family

Origin: Archaeophyte (established before 1500 AD). It has a European Southern-temperate distribution.  

Date: 16th July





fruits

already split open fruits

Lemna minor 浮萍

Common name: Common Duckweed
Scientific name: Lemna minor 浮萍*
Genus: Lemna 浮萍屬
Family: Araceae 天南星科, arum family

Origin: native

Remarks*: It is also recorded in HK. 

Date: 5th Aug


Geranium molle 柔毛牻牛兒苗, 軟毛老鸛草

Common name: Dove's-foot Crane's-bill
Scientific name: Geranium molle 柔毛牻牛兒苗, 軟毛老鸛草
Genus: Geranium 老鸛草屬
Family: Geraniaceae 牻牛兒苗科, cranesbill family

Origin: native

Date: 1st Aug







Scrophularia nodosa 林生玄參

Common name: Common Figwort
Scientific name: Scrophularia nodosa 林生玄參
Genus: Scrophularia 玄參屬
Family: Scrophulariaceae 玄參科, figwort family

Origin: native

Date: 3rd Aug




stems 4-angled but not winged







staminode obovate, emarginate at tip