Herbariuma Backpackers project
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Grey willow

Salix atrocinerea

Family · Salicaceae · Harmless

Traditional use
Grey willow (Salix atrocinerea)Grey willow (Salix atrocinerea)
Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0 · Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0

The tree that tells you where the water is. A line of willows seen from afar draws a watercourse even when the bed is dry on the surface.

Where it grows

Streams and ditches · Fields and pasture · Uplands

Also known as

grey sallow

In flower

How to tell it

Oval leaves, dull green above with rusty hairs beneath, visible against the light. Furry catkins before the leaves, in late winter. Always beside water.

What it is confused with

Alder

Alnus glutinosa

Harmless confusion

They share the riverbank. Alder has a round leaf with a blunt cut-off tip and small woody cones in winter; willow has an elongated leaf and furry catkins.

What it is for

Willow bark contains salicin, the compound behind the historical origin of aspirin, and was used in folk infusions. That is history, not an indication: none of it should be prepared at home.

With documented traditional uses. Not a therapeutic indication and not a dose.

Where it occurs

Iberian Peninsula

Each square is an area with recorded observations of this plant. The lighter background is the set of areas where any of the entries has been observed, and serves as a reference. Note what this is not: it is not where the plant lives, it is where people record it, so trails and towns always look fuller than the mountains. Data from GBIF.

Sources

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