ArticleslgStudy

science

Tagetes lucida

Tagetes lucida is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Tagetes lucida rather than just read about it. In short: Tagetes lucida is a perennial plant native to Mexico and Central America. It is used as a medicinal plant and as a culinary herb.

Tagetes lucida — main illustration
Tagetes lucida — illustration

Key takeaways

  • Tagetes lucida belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Tagetes lucida to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Tagetes lucida from memory before moving on to harder problems.

Reference excerpt

Tagetes lucida is a perennial plant native to Mexico and Central America. It is used as a medicinal plant and as a culinary herb. The leaves have a tarragon-like scent, with hints of anise, and it has entered the nursery trade in North America as a tarragon substitute. Common names include sweetscented marigold, Mexican marigold, Mexican mint marigold, Mexican tarragon, sweet mace, Texas tarragon, pericón, yerbaniz, and hierbanís.

Description Tagetes lucida grows 45–75 cm (18–30 in) tall and requires full sun to light shade. Depending on the variety or landrace, the plant may be fairly upright, while other forms appear bushy with many unbranching stems. The leaves are linear to oblong, about 7.5 cm (3 in) long, and shiny medium green, not blue-green as in French tarragon (Artemisia dracunculus var. sativa). In late summer it bears clusters of small golden yellow flower heads on the ends of the stems. The flower heads are about 15 mm (1⁄2 in) across and have 3–5 golden-yellow ray florets. The flowers are hermaphroditic (have both male and female organs) and are pollinated by insects.

Traditional use Tagetes lucida was used by the Aztecs in a ritual incense known as Yauhtli, as well as being dedicated to the rain god Tlāloc. Tagetes lucida is still in use today primarily as a tea to treat the common cold, intestinal gas and diarrhea. It has been reported that the Huichol of Mexico use the plant as an entheogen by smoking Tagetes lucida with Nicotiana rustica, and that Tagetes lucida is occasionally smoked alone as an hallucinogen. Archaeologists found that the Maya used Tagetes lucida as an additive in tobacco mixtures. Tagetes lucida also had many culinary uses by the Aztecs including as one of the ingredients added to make the drink chocolatl, which gave it a spicy flavor. Fresh or dried leaves are also used as a tarragon substitute for flavoring soups and sauces. A pleasant anise-flavored tea is brewed using the dried leaves and flower heads. This is primarily used medicinally in Mexico and Central America. A yellow dye can also be obtained from the flowers, and when the plant is dried and burnt, it is used as an incense and to repel insects. In one study, methanolic extract from the flower inhibited growth of Staphylococcus aureus, E. coli, and Candida albicans cultures. This effect was enhanced with exposure to ultraviolet light. The roots, stems, and leaves also had the same effect when irradiated with ultraviolet light.

Phytochemistry The plant contains the following compounds:

Anethole Chavicol Coumarin Estragole Isorhamnetin Methyleugenol Quercetin

References

External links Data related to Tagetes lucida at Wikispecies Media related to Tagetes lucida at Wikimedia Commons Erowid Vault about Calendula

Illustrations

Tagetes lucida illustration
Tagetes lucida: Tagetes lucida - MHNT
Tagetes lucida - MHNT

Worked examples

Example 1 — a first encounter with Tagetes lucida

Start with the simplest possible case. Write down what Tagetes lucida claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Tagetes lucida before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Tagetes lucida ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Tagetes lucida

In research
Tagetes lucida appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Tagetes lucida in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Tagetes lucida is common in secondary-school and first-year university syllabi. It links to neighbouring topics Agriculture in Mesoamerica, Crops originating from Mexico, Drought-tolerant plants, so understanding it makes those chapters shorter.
In everyday life
Look for Tagetes lucida outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Tagetes lucida” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Tagetes lucida in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Tagetes lucida means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Tagetes lucida out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Tagetes lucida in simple terms?

Tagetes lucida is a perennial plant native to Mexico and Central America. It is used as a medicinal plant and as a culinary herb.

Why does Tagetes lucida matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Tagetes lucida?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Tagetes lucida.

Tags

  • Agriculture in Mesoamerica
  • Crops originating from Mexico
  • Drought-tolerant plants
  • Flora of Central America
  • Flora of Mexico
  • Garden plants of North America
  • Herbal teas
  • Herbs
  • Plants described in 1796
  • Tagetes
  • Taxa named by Antonio José Cavanilles

Keep exploring