Geum rivale 紫萼路邊青

Common name: Water Avens
Scientific name: Geum rivale 紫萼路邊青
Genus: Geum 路邊青屬
Family: Rosaceae 薔薇科, rose family

Remarks: 

Origin: native

Date: 24th May

133 An erect perennial, can reach up to 60 cm.

134

135

131 Terminal leaflet rounded, 2-5 cm across.

130 Leaves with 3-6 pairs of lateral leaflets. Stipules small, about 5 mm.

129 Flowering nodding; petals purple about as long as sepals, 10-15 mm, with long, narrow basal segment (clawed) (could not be seen from the above photo), tip notched.

132 Stamens and carpels numerous.

Geum x intermedium

Common name: Hybrid Geum
Scientific name: Geum x intermedium (Geum rivale x urbanum)
Genus: Geum 路邊青屬
Family: Rosaceae 薔薇科, rose family

Remarks: It is a hyrbid of Geum rivale 紫萼路邊青, water avens and Geum urbanum, wood avens 都市路邊青, 歐亞路邊青.

Origin: native

Date: 26th April

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218 Yellow petals

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Geum macrophyllum

Common name: Large-leaved Avens
Scientific name: Geum macrophyllum
Genus: Geum 路邊青屬
Family: Rosaceae 薔薇科, rose family

Remarks*: 

Origin: Neophyte (established after 1500 AD). It is a native of E. Asia and N. America. It was introduced in 1804 and was known from the wild by 1908.

Date: 25th April (& 15th June)

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Fruiting now. (took on 15th June at another location)

(15th June)

(15th June)

Geum urbanum 都巿路邊青, 歐亞路邊青

Common name: Wood Avens
Scientific name:  Geum urbanum 都巿路邊青, 歐亞路邊青
Genus: Geum 路邊青屬
Family: Rosaceae 薔薇科, rose family

Origin: native

Date: 28th June

An erect, pubescent plant, can reach up to 60 cm.

terminal leaflet 3-lobed

petals as long as sepals, neither clawed nor notched at tip