Sansevieria zeylanica, commonly known as bow-string hemp or Ceylon bowstring hemp, is a perennial succulent plant native to Sri Lanka and parts of southern India. Recognised by its long, dark green leaves with wavy lighter-green cross-banding, it is both a hardy ornamental plant and a species with deep roots in Sri Lanka's traditional healing practices. The species epithet zeylanica directly references Ceylon — the former name for Sri Lanka — reflecting how closely this plant is identified with the island.
What is the botanical profile of Sansevieria zeylanica?
Sansevieria zeylanica belongs to the family Asparagaceae (formerly placed in Dracaenaceae or Agavaceae). It produces rosettes of stiff, sword-shaped leaves that can reach around 30 to 75 centimetres in length. The leaves are dark green with irregular pale green horizontal bands, giving the plant a distinctive striped appearance. Under the right conditions, it produces small, tubular, fragrant white or pale greenish flowers on a tall stalk.
Like other members of the Sansevieria genus, S. zeylanica is notably drought-tolerant. It stores water in its thick leaves, allowing it to survive in rocky outcrops, dry scrublands, and coastal areas — habitats that are common across Sri Lanka's lowland dry zone.
- Family: Asparagaceae
- Leaf length: Typically 30–75 cm
- Growth habit: Rosette-forming perennial
- Habitat: Dry lowlands, rocky slopes, coastal scrubland
- Distribution: Sri Lanka, southern India
How is Sansevieria zeylanica used in Ayurvedic medicine?
Sansevieria zeylanica holds a documented place in the Ayurvedic medicinal plant catalogue of Sri Lanka. Traditional Ayurvedic practitioners have used different parts of the plant — primarily the leaves and rhizomes — for a range of therapeutic purposes. The plant is known in Sinhala as Niyanda or Pata Niyanda, and its use is recorded in classical texts alongside other well-known Sri Lankan medicinal species.
Traditional applications include treatments for inflammation, skin conditions, and earache. Leaf extracts have also been used in preparations intended to address fever and intestinal complaints. Contemporary phytochemical research has begun to investigate the plant's steroidal saponins, flavonoids, and other secondary metabolites, which may underpin some of its traditionally attributed properties.
Sri Lanka has a rich tradition of plant-based healing documented across centuries, with species such as Pongamia pinnata and Acacia chundra similarly valued in both Ayurvedic and Siddha traditions. S. zeylanica fits naturally within this broader botanical heritage.
What fibre uses does Sansevieria zeylanica have?
Beyond medicine, the plant has historically been valued as a source of strong plant fibre. The leaf fibres — extracted by retting and scraping — are remarkably tough and were traditionally used to make bowstrings, ropes, and rough textiles. The common name "bow-string hemp" directly reflects this use.
While large-scale commercial fibre extraction from S. zeylanica is no longer common in Sri Lanka, the tradition of using natural plant fibres remains part of the island's craft heritage. Other fibre-rich Sri Lankan species, such as Cocos nucifera (coconut), continue to play a significant role in rural livelihoods and artisan industries.
Where does Sansevieria zeylanica grow in Sri Lanka?
The plant grows naturally across Sri Lanka's dry and intermediate zones, where rainfall is lower and soils tend to be thinner and rockier. It is commonly found along roadsides, in home gardens, and at the margins of scrub forests in the North Central, North Western, and Southern provinces. It is also cultivated as a low-maintenance ornamental plant in gardens and courtyards across the island.
In wilder settings, it can be encountered near protected areas such as Wilpattu National Park, where dry-zone flora — including a wide variety of medicinal plants — thrives in the seasonally dry climate.
How does Sansevieria zeylanica compare with related species?
| Feature | Sansevieria zeylanica | Sansevieria trifasciata |
|---|---|---|
| Origin | Sri Lanka, southern India | West Africa |
| Leaf colour | Dark green with wavy pale bands | Dark green with regular horizontal bands; often yellow-edged in cultivars |
| Primary traditional use | Ayurvedic medicine, fibre | Ornamental; fibre in some regions |
| Drought tolerance | High | High |
| Air-purifying properties | Moderate, under study | Widely cited in horticultural literature |
It is worth noting that Sansevieria trifasciata — the popular "snake plant" seen in offices worldwide — is frequently confused with S. zeylanica. The two are closely related, and both have now been reclassified by some taxonomists under the genus Dracaena, though the name Sansevieria remains in wide use.
What is the cultural significance of medicinal plants in Sri Lanka?
Sri Lanka's tradition of Ayurvedic and indigenous medicine — often called Deshiya Chikitsa — is one of the oldest continuous healing systems in Asia. The island's varied ecosystems, from coastal lowlands to montane cloud forests, support an exceptional diversity of medicinal flora. Plants such as S. zeylanica represent a direct link between the island's biodiversity and its living cultural heritage.
Ayurvedic formulations combining multiple plant species remain in everyday use across Sri Lanka, prepared by traditional physicians (vaidyas) and, increasingly, by licensed Ayurvedic practitioners in government-regulated healthcare settings. Compound preparations such as Yogaraja Guggulu and Kaishore Guggulu illustrate how individual plants like S. zeylanica are combined within classical formulas.
Visitors interested in Sri Lanka's botanical and Ayurvedic heritage can explore herb gardens and traditional medicine centres at several locations island-wide. The Sinharaja Forest Reserve, a UNESCO World Heritage Site, is an outstanding example of the biodiversity that underpins this tradition, supporting hundreds of endemic plant species in its interior.
Is Sansevieria zeylanica safe to grow at home?
The plant is widely grown as a houseplant and garden specimen without special precautions. However, like many Sansevieria species, its leaves contain saponins that can cause mild gastrointestinal upset if ingested by pets or small children. Handling the plant with bare hands is generally not problematic, but care should be taken around the sharp leaf tips.
As an ornamental plant, S. zeylanica requires minimal attention — well-drained soil, occasional watering, and indirect to bright light. It is one of the easier species to maintain, making it a popular choice for home gardens across Sri Lanka and beyond.
Other species in this genus
1 more, sharing the same genus.
