Geum rivale, SE: Humleblomster, DE: Bach-Nelkenwurz,
NL: Knikkend nagelkruid, UK: Water Avens

Scientific name:  Geum rivale L.
Swedish name:  Humleblomster
German name:   Bach-Nelkenwurz
Nederlandse naam:   Knikkend nagelkruid
English name:   Water avens, Purple avens
Plant Family:  Rosaceae, Rose family, Rosväxter

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Life form:  Perennial
Stems:  Up to 80cm keight; straight, branching, pubescent.
Leaves:  Leaves on stem with 3 toothed leaflets. Lower leaves pinnately compound with more than 3 leaflets. Apical leaflet very large and broad relative to other leaflets. Opposite large pairs of leaflets intermixed with small pairs.
Flowers:  Flowers purple to red-purple. Sepals fused in a globular container with 5 projecting, sharp-pointed sepal lobes. Fruit without long, feathery hairs. Flowers usually in groups of 3.
Flowering Period:  May-July
Fruits:  Achene with hooked hairs, several together.
Habitat:  Woods, thickets, fresh water, bogs, marshes, pastureland and meadows

Flowers of Sweden, Botany, Nature

Derivation of the botanical name:
Geum, from the Greek geno, "to yield an agreeable fragrance". When freshly dug, the root has a clove-like aroma. It was called "the Blessed Herb" in earlier times and the common name "Herb Bennet" is a possible corruption of that.
rivale, rival, "of or belonging to a stream."
  • The standard author abbreviation L. is used to indicate Carl Linnaeus (1707 – 1778), a Swedish botanist, physician, and zoologist, the father of modern taxonomy.
Pliny the Elder(23-79 CE), Natural History, Book XXVI:XXI: "Geum has little roots, slender, blackish and with a pleasant smell".

Flora of Sweden online, Native plants

Zweden Bloemen Natuur

Geum rivale, Humleblomster, Bach-Nelkenwurz, Knikkend nagelkruid, Water Avens