Oldenlandia sp.

Family: Rubiaceae

Genus: Oldenlandia

Difficulty

Medium

Light

Medium to High

Growth Rate

Medium

Usage

Midground

Ideal Conditions

Temperature

20-30°C(opt: 25.5°C)

CO2

20-40mg/L

pH

5-7

Nutrients

Nitrate (NO3): 10-50mg/L

Phosphate (PO4): 0.1-3mg/L

Potassium (K): 5-30mg/L

Iron (Fe): 0.01-0.5mg/L

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Description

Several species or varieties of Oldenlandia with narrow leaves have gained popularity as aquarium plants in recent years. They are likely sourced from tropical Asia and belong to the Rubiaceae family, similar to Hedyotis salzmannii with oval leaves from South America, which is sometimes classified under the genus Oldenlandia.