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Black hawthorn buckthorn

Rhamnus lycioides

Family · Rhamnaceae · Irritating

Toxic
Black hawthorn buckthorn (Rhamnus lycioides)Black hawthorn buckthorn (Rhamnus lycioides)
איתן פרמן, CC BY-SA 3.0 · Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0

The rigid, thorn-filled shrub that closes the dry scrub of the southeast, with tiny leaves and branches that all end in a point. It is the plant that makes a dry slope impassable.

Where it grows

Scrubland · Walls and rocks · Montado · Uplands

Also known as

Mediterranean buckthorn

In flower
In fruit

How to tell it

Grey, rigid branches set almost at right angles and ending in a spine. Very small, narrow leaves grouped in tufts. Small fruits turning from red to black.

What it is confused with

Mediterranean buckthorn

Rhamnus alaternus

Harmless confusion

Same family, both with dark berries. Italian buckthorn has a broad glossy leaf and no thorns; this one is all thorns with a tiny leaf. Neither is eaten.

What it is for

None as food: as in the whole family, the fruits are strong purgatives. It served as a living hedge and firewood, and southern birds depend on it heavily in late summer.

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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