Porcupine flower
Barleria prionitis, family Acanthaceae
A spiny yellow-flowered shrub grown for hedges, medicine and ornament
Porcupine flower is a thorny shrub with golden-yellow blooms, found wild from Southeast Asia through the Indian subcontinent, parts of China, the Arabian Peninsula and northeast Africa. It is grown for its flowers, as a hedge, and in folk medicine, but can become a troublesome weed in disturbed places.
- A spiny shrub with golden-yellow flowers up to 1.8 meters tall
- Native to Southeast Asia, the Indian subcontinent, and nearby regions
- Widely used in traditional medicine and as a hedge plant
- Can become an invasive weed in disturbed areas
- Host plant for butterfly larvae
What does Porcupine flower look like?
Porcupine flower is a bushy plant that can reach up to 1.8 meters tall. Its branches and stems are smooth and round, with sharp spines at the base of the leaves. The leaves are oval-shaped and start off with a soft fuzz, becoming smooth as they mature. Clusters of large, golden-yellow to orange flowers appear near the tops of the branches, each flower with a spiny green base. The shrub stands out for its bright color and prickly look.
Where does Porcupine flower come from?
This shrub grows wild in many parts of Southeast Asia, the Indian subcontinent, southern China, the Arabian Peninsula, and parts of northeast Africa. It is found in places like Myanmar, India, Pakistan, Indonesia, and beyond. Over time, it has spread widely, both as a garden plant and as a weed, and is now naturalized in regions such as Australia, the West Indies, and Indian Ocean islands. Botanists first described it in the 18th century, and several subspecies are recognized, each with its own native area.
When and how Porcupine flower blooms
Porcupine flower thrives in open, sunny spots and adapts to many types of soil. It grows quickly, spreading by both seeds and broken stems. In China, it flowers from October to December, while in Pakistan it can flower year-round. In Australia, it blooms in three periods across the year. The plant is often grown as a hedge or for its bright flowers, but it can also invade disturbed land and pastures.
How Porcupine flower is used
People plant porcupine flower as a hedge or ornamental shrub, and it is valued in folk medicine across its range. In Pakistan, extracts are used for coughs and tuberculosis, while in Indonesia and Myanmar, different parts are used for skin and blood conditions. In India, roots, bark, and leaves are applied to boils, swellings, and aches. It is also used in traditional medicine in other countries, and sometimes as a garden boundary.
Kinds of Porcupine flower
There are three main subspecies: pubiflora, found in western India and southeast Pakistan; appressa, native to Saudi Arabia and Yemen; and induta, from northern Ethiopia and Eritrea. These forms differ in leaf and flower size, with pubiflora having the largest leaves and longest flowers. Local names and uses vary widely across its range.
What Porcupine flower means
Porcupine flower is used in traditional healing in several Asian cultures, and is sometimes planted as a living fence. In some places, it is considered a weed that can crowd out native plants and block waterways. The shrub is also a food source for certain butterflies. Its presence in gardens and folk practices reflects its adaptability and importance in daily life.
Where Porcupine flower is used and seen
Questions people ask about Porcupine flower
Where does the porcupine flower come from?
Porcupine flower grows wild in Southeast Asia, the Indian subcontinent, southern China, the Arabian Peninsula, and northeast Africa. It has also spread to many other tropical regions as a garden plant and weed.
What does the porcupine flower look like?
It is a much-branched shrub with sharp spines at the base of its leaves and clusters of large, golden-yellow to orange flowers near the tops of its branches. The plant can reach up to 1.8 meters in height.
How is porcupine flower used?
People use it as a hedge or ornamental shrub and in traditional medicine for a range of conditions, including coughs, wounds, and skin problems. Its parts are prepared in different ways depending on local customs.
Is porcupine flower considered a weed?
Yes, in many places it spreads quickly and can take over disturbed land, pastures, and roadsides, sometimes causing problems for native plants and livestock movement.
Are there different types of porcupine flower?
There are three main subspecies, each found in different regions and varying in leaf and flower size. These are pubiflora, appressa, and induta.
Good reading and sources
- USDA Plants DatabaseUS Department of Agriculture, Article
- Plants of the World OnlineRoyal Botanic Gardens, Kew, Plant database
- Where it has been recordedGBIF, Plant database
- Sightings and photos by naturalistsiNaturalist, Plant database
- Barleria prionitis on WikipediaEncyclopedia
- More photos on Wikimedia CommonsPhotos
- Wikidata recordOpen data
The facts on this page come from the Wikipedia article "Barleria prionitis", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Phool rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes. It is not medical or foraging advice: many flowers are poisonous, and traditional uses are reported, not recommended. If something is wrong, tell us. Last refreshed 2026-10-03.
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