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Sea Holly
Acanthus ebracteatus
Acanthus ebracteatus is a species of shrubby herb that grows in the undergrowth of mangroves of south-east Asia. Common names include sea holly and holly mangrove.
From the article Acanthus ebracteatus on Wikipedia (CC BY-SA), quoted section by section
Description
It grows as an erect, spreading or scrambling shrubby herb, up to 1.5 metres tall, usually with a great many stems. Its leaves are dark green, stiff, with sharp spines at the end of each deep lobe: very much like those of holly (Ilex). Flowers are blue, purple or white, and occur in spikes terminal on the branches. The fruit is a square-shaped capsule, which explodes when ripe, projecting the seeds up to two metres from the plant. Seeds are off-white and flat.
At the table
The leaves of Acanthus ebracteatus, noted for their antioxidant properties, are used for making herbal tea in Thailand and Indonesia.
Wikipedia: “Medicinal uses”
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the old herbals & bestiaries

On the Virtues of Herbs
Macer Floridus · 1150 · p.204

History of Rare Plants
Carolus Clusius · 1601 · p.535

Latin Herbal with German Synonyms
1484 · p.191

Notable Commentaries on the History of Plants
Leonhart Fuchs · 1542 · p.330

Book of Herbs
Hieronymus Bock (Tragus) · 1546 · p.691

Notable Commentaries on the History of Plants
Leonhart Fuchs · 1549 · p.328

De medicinali materia libri sex
Dioscorides · 1552 · p.382

Commentaries on the Six Books of Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1563 · p.468

Commentaries on the Six Books of Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1563 · p.468

Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1565 · p.852

Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1565 · p.853

Commentaries on the Six Books of Pedanius Dioscorides on Medical Matter
Pietro Andrea Mattioli · 1565 · p.851
In the stacks
Searching the stacks…
Every page naming Acanthus ebracteatus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 188924.