Plant
Holy basil
Ocimum tenuiflorum
Also known as: tulsi, tulasi, Ocimum sanctum
An aromatic perennial herb native to the Indian subcontinent, sacred in Hindu tradition where it is honored as the earthly form of the goddess Tulasi and grown in temples and household gardens across India. Foundational herb in Ayurveda, where it is classified as a *rasayana* (rejuvenative). Distinct from culinary basil (*Ocimum basilicum*) — holy basil's aroma is sharper, more clove-like, with a distinctive floral and slightly peppery character. Modern pharmacology has documented adaptogenic stress-modulating effects, blood-glucose support, anti-inflammatory activity, and antimicrobial effects. Three principal cultivated varieties: Rama tulsi (green), Krishna tulsi (purple-tinged), and Vana tulsi (wild forest tulsi); each has slightly different aromatic and medicinal profiles.
Cultural / Spiritual
Holy basil is one of the most sacred plants in Hinduism. Hindu tradition identifies the plant as the earthly form of the goddess Tulasi, herself an avatar of Lakshmi (consort of Vishnu). Holy basil plants are grown in courtyards of Hindu households and at temple sites; daily watering of the household tulsi plant by women of the household is a continuing devotional practice. The plant is used in puja (ritual worship) of Vishnu and [[krishna|Krishna]]; rosaries (japa malas) made of tulsi wood are used by Vaishnava devotees.
The Sanskrit name tulasī derives approximately from tul (to weigh/compare) + si (incomparable) — “the incomparable one.” The plant’s spiritual associations and medicinal use are deeply integrated in Indian tradition; the plant is grown for both purposes simultaneously.
Scientific / medicinal
Active compounds in holy basil include eugenol (the principal aromatic compound, also dominant in clove), ursolic acid, rosmarinic acid, ocimumosides A and B, beta-caryophyllene, and various other [[polyphenols|phenolic compounds]].
Documented pharmacological effects:
- HPA-axis modulation / adaptogenic. Multiple clinical trials show reduced cortisol and improved subjective stress measures in chronically-stressed populations; effect size comparable to [[ashwagandha|ashwagandha]].
- Blood glucose regulation. Several clinical trials in type 2 diabetes show modest improvement in fasting glucose and HbA1c with standard doses.
- Anti-inflammatory. Inhibition of COX-2 and LOX pathways; reduction in pro-inflammatory cytokine production.
- Antimicrobial. Documented activity against several common pathogenic bacteria and fungi; the species’ reputation as a “household antiseptic” in Indian tradition reflects this activity.
- Cognitive and neuroprotective effects. Some evidence for cognitive-function support and neuroprotection in animal models; clinical evidence is preliminary.
Practical
Common preparation: fresh leaves chewed (the foundational household practice in India); dried herb in tea (the principal Western preparation form); tincture; standardized extract capsules; essential oil (for topical and aromatic use).
The plant is easy to grow in temperate climates as an annual (zones 7+ may overwinter; northern climates as a tender perennial brought indoors). Tolerates partial shade; produces flowers and seed prolifically. Self-seeds readily.
See also
Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.
- Shares approach with: [[ashwagandha]] · [[traditional-chinese-medicine]]
- Member of: [[plants]]
What links here, and how
Inbound connections from across the wiki, grouped by lens and by relationship. These appear automatically — every entity page declares what it links to, and that data populates here on the targets.
Scientific
cousin of
- Basil auto-linked from body mention
General
shares approach with
- Neem auto-linked via shared tag: ayurveda
2 inbound links · 3 outbound