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Trinia glauca

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Plant Profile

Flowering Months:
Apiaceae (Carrot)
Life Cycle:
Maximum Size:
1 metre tall
Fields, gardens, grassland, rocky places, seaside.

White, 5 petals
The flowers appear in umbels. Each umbel measure 2 or 3cm across. The bracts are occasionally 3-lobed. The lower bracts are often missing. The petals are notched.
Egg-shaped, compressed and ridged fruit.
A rare limestone grassland flower with 2 to 3-pinnate, greyish-green leaves and narrow leaflets. The stems are not hollow. Low-growing perennial. Many-branched. Mostly found on the coast around Bristol and Torquay on south facing slopes.
Other Names:
Blue Flax-lily.
Frequency (UK):
Rarely seen  

Other Information


Trinia glauca, also known as the Blue Flax-lily, is a species of perennial flowering plant in the genus Tricoryne. It is native to Australia, and is commonly found in the eastern regions of Victoria, New South Wales and Queensland. The plant has a clump-forming habit and typically grows up to 1 meter tall, with narrow, grass-like leaves. The flowers are blue and appear on tall spikes in late spring and early summer. The flowers are small and delicate, and have three petals. After the flowers have faded, the plant produces small, hard seed capsules. The plant is drought tolerant and can grow well in full sun to partial shade. It is often used as a border plant, or in rock gardens, and it is also suitable for mass planting in naturalistic settings.


Honewort, also known as Trinia glauca, is a small perennial plant that belongs to the family Apiaceae. It is native to North America and can be found in woodland areas, meadows, and along the edges of streams and rivers. The plant has several medicinal uses and has been traditionally used by Native Americans for treating various ailments.


Honewort has thin, green stems that are smooth and hairless. The leaves are compound, with three to five leaflets, and have a fern-like appearance. The leaflets are oval in shape and finely toothed. The flowers are small, white, and arranged in a flat-topped umbel at the end of the stem. The plant blooms from May to July, and the fruits are small and oblong.

Medicinal Uses

Honewort has several medicinal properties and has been traditionally used by Native Americans for treating various ailments. The plant is known to have diuretic, carminative, and antispasmodic properties. It has been used to treat digestive problems, such as stomach cramps, indigestion, and flatulence. Honewort has also been used to treat respiratory problems, such as coughs, bronchitis, and asthma. The plant has been used to alleviate menstrual cramps and to stimulate menstrual flow. Honewort has also been used to treat urinary tract infections and to reduce fever.

Preparation and Dosage

Honewort can be prepared in various ways, including as a tea, tincture, or infusion. To make a tea, pour boiling water over 1-2 teaspoons of dried herb and let it steep for 10-15 minutes. The tea can be taken up to three times a day. Honewort tincture can be taken in doses of 2-4 ml, up to three times a day. An infusion of honewort can be made by soaking the herb in cold water for several hours and then straining it. The infusion can be taken up to three times a day.


While honewort is generally safe when used as directed, it should not be used by pregnant or breastfeeding women. The plant may also cause skin irritation in some people. If you experience any adverse effects after using honewort, discontinue use and consult a healthcare professional.

More Information

Honewort is a fascinating plant with a rich history of traditional medicinal use. It is also an important plant for wildlife, as the nectar from its flowers attracts a variety of insects, including bees and butterflies. Honewort is also a host plant for the larvae of the black swallowtail butterfly, which feed on the leaves of the plant.

In addition to its medicinal uses, honewort has also been used as a culinary herb. The young leaves and stems can be added to salads or used as a garnish, and the plant has a slightly sweet and spicy flavor. The root of the plant has also been used as a substitute for parsley or celery in cooking.

Honewort is a relatively easy plant to grow and can be cultivated in a variety of soil types. It prefers partial shade and moist soil, but can also tolerate full sun and dry soil conditions. The plant can be propagated from seeds or by dividing the roots in the fall.

One interesting fact about honewort is that the plant gets its common name from the sweet, honey-like substance that is produced on the stems and leaves. This substance, which is secreted by specialized glands on the plant, is thought to be an attractant for pollinators.

Another interesting aspect of honewort is its cultural significance. The plant has been used in traditional Native American medicine for centuries, and has also been incorporated into various spiritual practices. For example, some Native American tribes have used honewort as a smudging herb, burning the dried leaves and stems to purify and cleanse the spirit.

Honewort is also an important plant for conservation efforts, as it provides food and habitat for a variety of wildlife species. In addition to attracting pollinators, the plant is also a food source for various insects and small mammals. By including honewort in gardens and natural areas, we can help support the biodiversity of our local ecosystems.

Finally, it is worth noting that honewort is just one of many fascinating plants with medicinal and cultural significance. As we continue to explore and appreciate the natural world around us, we can learn more about the plants and animals that share our planet, and work to protect and preserve these invaluable resources for generations to come.

Distribution Map

Reproduced by kind permission of the BSBI.

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