Why is it called bastard toadflax?

Comandra umbellata gets its scientific name from the hairs at the base of its stamens (comandra means male hairs in Greek) and the shape of its inflorescence. The common name, bastard toadflax, was given because the leaves were thought to look similar to the leaves of the toadflax plant.

Is toadflax parasitic?

It is only hemi-parasitic because it can actually feed itself too: it has green leaves which will photosynthesise, albeit they are quite short and narrow.

Where is comandra?

Comandra is a monotypic genus containing the single species Comandra umbellata. Its common names include bastard toadflax, umbellate bastard toadflax, and common comandra. The plant has a disjunct distribution; its four subspecies occur in North America and the Mediterranean.

How do you use toadflax?

Dosage is critical, the plant might be slightly toxic. The fresh plant, or an ointment made from the flowers, is applied to piles, skin eruptions etc. The juice of the plant, or the distilled water, is a good remedy for inflamed eyes and cleaning ulcerous sores. A homeopathic remedy is made from the plant.

Is linaria vulgaris invasive?

Invasive Species: Linaria vulgaris, Yellow Toadflax. Yellow toadflax is an invasive perennial herb that can reach 3.3 ft. (1 m) tall. Leaves are nearly sessile, drooping, linear, and 1 to 2 in.

Is linaria Amarilla native to Chile?

Linaria vulgaris: Yellow toadflax is a native of southeastern Europe and southwestern Asia. The present world distribution includes most of Europe and Asia, and it has been introduced to Japan, Australia, New Zealand, South Africa, Jamaica, Chile and North America.

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What is toadflax used for?

Yellow toadflax is an herb. The whole plant is used to make medicine. People take yellow toadflax for digestive and urinary tract disorders. It is also used to reduce swelling, relieve water retention by increasing urine production (as a diuretic), and cause sweating.

Is toadflax poisonous?

Linaria purpurea has no toxic effects reported.

Is toadflax poisonous to humans?

Human toxicity, allergenicity, and pharmacology The toxicity of Dalmatian toadflax to humans has not been determined, although Pammel [97] lists yellow toadflax as an irritant.

Why is yellow toadflax bad?

Although cattle avoid grazing the species, yellow toadflax contains a poisonous glucoside harmful to cattle if consumed in large quantities. … It was first introduced into the United States from Wales during colonial time as an ornamental species and to make yellow dye, and escaped from colonial gardens (Mitich 1993).

Is yellow toadflax an annual?

Yellow toadflax is a perennial flowing plant that has yellow/orange snapdragon-like flowers.

How do I get rid of yellow toadflax?

Chlorsulfuron at 1.5 to 2.25 ounces active ingredient per acre, sprayed to wet, at bud to full bloom suppresses yellow toadflax. Use a nonionic surfactant at 0.25 percent by volume. This chemical kills broadleaved plants and is selective to many grasses. It is very persistent in high pH soil.

Are linaria annuals?

Linaria can be either hardy annuals or perennials and vary in height from 15 cm to 1.2 m (6 to 47 inches). They have lance shaped leaves and carry flowers that are similar to those of snapdragon.

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Do you cut back toadflax?

Cut back after flowering to prevent self-seeding.