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Hemianthus Glomeratus
Hemianthus glomeratus
Plantae›Tracheophyta›Magnoliopsida›Linderniaceae
📍 Cuba, Caribbean
A delicate stem plant with tiny, round-to-oval bright green leaves growing in whorls of 3–4 around thin stems. Often confused with H. micranthemoides but has slightly larger leaves and a more upright growth habit. Grows quickly with CO₂ and high light, producing dense, bushy clumps that work well as a background planting. Without CO₂ it grows slowly and may become leggy. Regular trimming encourages compact, lush growth.
Tank Mates
Peaceful algae grazers that won't damage delicate foliage and help maintain tank cleanliness
Small, non-destructive shrimp that thrive in planted tanks and add visual interest
Peaceful schooling fish that won't uproot or consume the plant; prefer similar water parameters
Gentle algae eaters that graze on biofilm without damaging stem plants
Complementary foreground plant that creates attractive layered aquascaping with Hemianthus
Low-light companion plant that can be tied to hardscape while Hemianthus occupies midground
Common Diseases
Nutrient Deficiency
Yellowing leaves, stunted growth, pale coloration, and leaf loss despite adequate light
Increase fertilizer dosing (macro and micronutrients), ensure CO₂ supplementation, and verify substrate quality. Test water parameters and adjust fertilization schedule accordingly.
Algae Overgrowth
Green or brown algae coating stems and leaves, reduced light penetration, plant decline
Reduce photoperiod to 6-8 hours daily, increase water changes (30-50% weekly), add algae-eating fauna (Amano shrimp, Otocinclus), and ensure adequate CO₂ to outcompete algae.
Melting
Rapid leaf deterioration, stem softening, and plant collapse after introduction to tank
Gradually acclimate the plant over 2-3 weeks, maintain stable water parameters (pH 6.0-7.5, temperature 20-28°C), and ensure consistent fertilization and CO₂ levels.
Root Rot
Blackened or mushy stems at substrate level, foul odor, and plant detachment from substrate
Improve substrate drainage and water circulation, increase water change frequency, trim affected portions, and ensure nutrient-rich substrate with adequate aeration.
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Quick Facts
- co2
- Recommended
- light
- Medium to high
- max size
- 15–30 cm (6–12 in) tall
- placement
- Midground to background
- substrate
- Nutrient-rich substrate
- growth rate
- Fast (with CO₂)
Water it likes
- ph
- 6.0–7.5
- notes
- Distinguished from H. micranthemoides by its whorled leaf arrangement and slightly larger leaves.
- hardness
- 0–12 dGH
- temperature
- 154–180°F (68–82°C)