Daucus decipiens aka Daucus Decipiens

Taxonomy ID: 4367

Daucus decipiens, commonly known as Black Parsley, Parsnip Palm, or Tree Angelica, is a large biennial or perennial herb in the carrot family (Apiaceae), endemic to the island of Madeira, Portugal. The plant produces a striking architectural form: a stout, woody stem up to 2 metres tall and 4 centimetres in diameter, bare and marked by prominent leaf scars in its lower section, with pith at the centre and hollow portions within the stem — giving it a superficial resemblance to a small tree or cabbage palm.

The foliage is held in a spreading crown at the top of the stem. Leaves are 2–3-pinnate, with ultimate segments ovate to lanceolate, 15–20 mm long, pinnatisect or unlobed and serrate. In flower, the plant produces numerous white to purplish blooms arranged in large compound umbels up to 20 centimetres across. In the Southern Hemisphere, flowering occurs from November through January. The fruit is dark brown, 12–18 mm long, and sparsely hairy; seeds remain viable in the soil for more than one year.

The species was first described as Selinum decipiens by Schrader and Wendland, later transferred to the genus Melanoselinum by Hoffmann (as Melanoselinum decipiens), and most recently reclassified into the genus Daucus in a 2016 revision published in Taxon. Its synonyms include Melanoselinum decipiens, Laserpitium decipiens, Selinum decipiens, Selinum frutescens, Melanoselinum edule, and Bubon galbanum.

In its native Madeiran habitat the plant favours sunny, well-drained sites. It has been introduced to Great Britain, the Azores, New Zealand, and Chatham Island. In New Zealand — where it naturalised by 1969 — it is regarded as an invasive weed, particularly around the Wellington region, spreading along roadsides and disturbed ground with the aid of its long-lived seed bank.

Common names

Daucus Decipiens, Melanoselinum Moniza, Selinum Frutescens, Thapsia Moniza, Black Parsley, Tree Angelica

More information about Daucus Decipiens

What is the region of origin of Daucus Decipiens

Daucus decipiens is endemic to Madeira, Portugal, where it grows in sunny, well-drained habitats. It has been introduced to the Azores (São Miguel, Terceira, Pico, and Faial), Great Britain, New Zealand (naturalized by 1969), and the Chatham Islands. In New Zealand it is now considered an invasive weed.

What is the growth pattern and size of Daucus Decipiens?

This biennial or perennial herb develops a stout, woody stem that reaches up to 2 metres in height and approximately 4 centimetres in diameter. The lower portion of the stem becomes bare and woody with age, displaying distinct leaf scars. The spreading crown of large compound leaves sits atop the stem, giving the plant a palm-like silhouette.

Is Daucus Decipiens flowering?

Yes. Daucus Decipiens produces numerous white to purplish flowers arranged in large compound umbels that can reach 20 centimetres in diameter. In the Southern Hemisphere, blooming occurs from November through January. Fruits are dark brown, 12–18 mm long, and sparsely hairy. Seeds persist in the soil for more than one year.

What varieties of Daucus Decipiens are there?

There are no recognised infraspecific varieties of Daucus decipiens. The species has, however, passed through several genera since its original description. The basionym is Selinum decipiens Schrad. & J.C.Wendl. It was long placed in the monotypic genus Melanoselinum Hoffm. before a 2016 molecular revision (Taxon 65(3): 578) transferred it to Daucus. The genus name Melanoselinum derives from ancient Greek, and the epithet decipiens means "deceptive."

Can Daucus Decipiens grow outdoors?

Daucus Decipiens is an outdoor plant that grows best in full sun and well-drained soil. In its native Madeira and in New Zealand, it colonises roadsides and open disturbed ground. Its long-lived seed bank (viable more than one year) contributes to its persistence and invasive tendency in introduced regions. It is not suited to indoor cultivation.

What seasonal care does Daucus Decipiens need?

In the Southern Hemisphere the species flowers from November through January (corresponding to summer in New Zealand); in the Northern Hemisphere flowering occurs in the equivalent late-spring to mid-summer window. The plant is biennial or perennial and forms a persistent woody stem; older plants develop a characteristic leafless, scarred lower trunk. Seed dispersal follows flowering, and the seed bank remains viable for over a year, so removing fruiting heads before seed set is advisable where the plant is unwanted.

What are the water needs for Daucus Decipiens

Daucus Decipiens should be watered regularly, allowing the soil to dry out between waterings.

What is the right soil for Daucus Decipiens

Daucus Decipiens loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

What is the sunlight requirement for Daucus Decipiens

Daucus Decipiens requires abundant, bright and direct light. Placing it less than one foot from a window is the best way to make sure the plant receives enough light to survive and thrive. Depending on your region, however, the current weather can affect the placement of the plant in your home. For example, in some areas the sun may be too direct and intense, so it's best to place it farther away from the window. You may also need to adjust your placement according to the season as the sunlight can change intensity over the course of the year. If you live in a region with significant temperature fluctuations, such as a desert, you may need to place the plant a bit farther away from the window to avoid extreme heat or cold. With some care and attention, your Daucus Decipiens will be sure to bring you many years of beauty and enjoyment.

How to fertilize Daucus Decipiens

The Daucus Decipiens should be transferred to a new pot once it has increased in size two-fold, or on an annual basis, whichever occurs earlier. Replacing the soil with fresh potting soil containing all the necessary nutrients, is sufficient enough to support the growth of the plant, thus avoiding the need to use fertilizer. It's important to note that plants derive their energy from the sun and not fertilizer.

Is Daucus Decipiens toxic to humans/pets?

Ploi does not possess verified information regarding the toxicity of this particular plant. In the event that you, a member of your family, or a pet ingests plant material with an unclear toxicity level, it is highly recommended to seek the advice of a medical professional.

More info:
Wikipedia GBIF

Sources

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