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Hairy willow herb

Scientific Name
Epilobium hirsutum
Scientific Author
Linnaeus, C (1753)
Taxonomy
(Magnoliophyta: Magnoliopsida: Myrtales: Onagraceae)
Reliability
High
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Diagnostic Images

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Caption
Australian $2 Coin with seeds
Source
Clare McLellan Museum Victoria
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Diagnostic Images (9)
Diagnostic Notes
Pictured: Fruit, Pod and Seed(s)

Description:

Fruit appendages: Cavities, Hairs or bristles

Fruit Colour: Yellow

Fruit Length: 5 - 7mm

Seed Colour: Variable - Light/Dark Brown

Seed Length: Less than 1mm

Seed Sculpture: Colliculate, Granular

Seed Shape: Tear-drop

Robust, erect perennial to c. 1.5 m or more high; stems hirsute with long, spreading hairs, glandular hairs present, particularly in the flowering region.

Leaves lanceolate, 4–12 cm long, 3–40 mm wide, with numerous tiny teeth, sesile and stem-clasping.

Flowers with a conspicuous ring of long white hairs inside the hypanthium. Style exserted; stigma deeply 4-lobed. Petals to 9–20mm long, deeply notched, bright pink to rose-purple.

Fruit 2.5–9 cm long, densely villous andy glandular pubescent; pedicel 5–20 mm long; seeds c. 1 mm long, the surface coarsely papillose, comose.

Source: Royal Botanic Gardens and Domain Trust PlantNET - FloraOnline
More Information
Author
Clare McLellan
Created
10/01/2012 11:27 AEST
Last Updated
21/01/2013 10:38 AEST
Citation
Clare McLellan (2012) Hairy willow herb (Epilobium hirsutum) Updated on 1/21/2013 10:38:53 AM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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