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1.Pilea Microphylla — Overview
Pilea microphylla, widely recognized as the artillery plant or rockweed, is a charming herbaceous perennial belonging to the Urticaceae family, which also includes stinging nettles. This species, native to the tropical and subtropical Americas, specifically Central and South America, thrives in humid, shady undergrowth conditions. It typically forms dense, low-growing mats, reaching modest heights of 20–30 cm (8–12 inches) when cultivated, making it an excellent ground cover or terrarium specimen.
Its distinguishing features are its numerous, minute, succulent-like leaves, which are typically 1-2 cm (0.4-0.8 inches) long, obovate to spatulate, and possess a vibrant, glossy green hue. The slender, somewhat brittle stems are often green but can develop subtle reddish or purplish tints in optimal light. The inconspicuous, monoecious flowers, borne in small clusters in the leaf axils, are the source of its common name; when mature and exposed to water or disturbance, the male flowers explosively release pollen, resembling miniature cannons firing.
This unique mechanism is a fascinating botanical adaptation for pollen dispersal. While its ornamental appeal is undeniable, Pilea microphylla’s adaptability to various indoor light conditions, from bright indirect to partial shade, contributes to its popularity among plant enthusiasts. Its taxonomy within the genus Pilea highlights its relationship to numerous small, non-stinging nettle relatives, all sharing a preference for moist, warm environments.
Trusted Scientific References
1. Authoritative external sources for Pilea microphylla
1.1 Wikipedia — Pilea microphylla
1.2 Kew POWO (Plants of the World Online)
1.3 PubMed — peer-reviewed research
1.4 NCBI Taxonomy Browser
1.5 GBIF — Global Biodiversity
1.6Pilea Microphylla should be interpreted through verified botanical identity, practical care, and responsible safety language. This recovery note adds the missing context needed for a complete profile: match light to the plant's habit, use well-drained soil, water according to season, and avoid unsupported medicinal or edible claims. For publishing, the plant can be presented as a source-backed indoor plant with clear care guidance, common problem diagnosis, and conservative safety wording.
1.1.Pilea Microphylla — Key Features
- ✓ <strong>Common Name</strong> — Artillery Plant (due to explosive pollen release).
- ✓ <strong>Family</strong> — Urticaceae (Nettle family), though non-stinging.
- ✓ <strong>Morphology</strong> — Small, succulent-like, glossy green leaves; slender stems.
- ✓ <strong>Habitat</strong> — Native to tropical/subtropical Central and South America.
- ✓ <strong>Traditional Uses</strong> — Folk medicine for inflammation, wounds, digestion.
- ✓ <strong>Chemical Profile</strong> — Rich in flavonoids (rutin, quercetin) and phenolic acids (chlorogenic acid).
- ✓ <strong>Growth Habit</strong> — Low-growing, bushy, ideal for ground cover or terrariums.
- ✓ <strong>Ornamental Value</strong> — Highly valued for its lush, compact foliage indoors.
- ✓ <strong>Adaptability</strong> — Tolerates a range of light conditions, prefers high humidity.
- ✓ <strong>Propagation</strong> — Very easy to propagate from stem cuttings.
1.2.Pilea Microphylla — Quick Summary
- ✓ Pilea microphylla is an ornamental plant with traditional medicinal uses.
- ✓ Known for anti-inflammatory, antioxidant, and antimicrobial properties.
- ✓ Contains beneficial flavonoids and phenolic acids like chlorogenic acid.
- ✓ Traditionally used for wound healing, digestive aid, and respiratory support.
- ✓ Requires bright indirect light and high humidity for cultivation.
- ✓ Caution advised for pregnant individuals and those on specific medications.
2.Pilea Microphylla — Scientific Identity
3.Pilea Microphylla — Quick Facts
4.Pilea Microphylla — Appearance & Identification
5.Pilea Microphylla — Native Habitat
6.Pilea Microphylla — Water Requirements
- ✓ Light — Prefers bright, indirect light; direct sunlight can scorch its delicate leaves, while too little light leads to leggy growth.
- ✓ Water — Keep soil consistently moist but not waterlogged; allow the top inch to dry slightly between waterings, reducing frequency in winter.
- ✓ Humidity — Thrives in high humidity (above 60%), making it ideal for terrariums or requiring regular misting or a pebble tray.
- ✓ Soil — Requires well-draining, peat-based potting mix, such as a blend of potting soil, perlite, and peat moss, to prevent root rot.
- ✓ Temperature — Best grown in warm conditions, with temperatures between 18-24°C (65-75°F); avoid cold drafts.
- ✓ Fertilization — Feed sparingly during the growing season (spring and summer) with a diluted balanced liquid fertilizer, typically once a month.
- ✓ Propagation — Easily propagated from stem cuttings in water or moist soil, or by dividing established clumps.
- ✓ Pruning — Pinch back leggy stems to encourage bushier growth and maintain a compact form.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
Our 4-step verification process
1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
3. Conservation & distribution check
Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
4. Editorial & safety review
Every entry passes an editorial pass for clarity, originality, and safety notices (toxicity, contraindications, dosage caveats) before publication.
Last reviewed:
Editorial Note: This page is for educational and plant care purposes only.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 15, 2026
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