Family Acanthaceae. The generic name is deriv.-d from Greek words meaning "humidity-loving." Distribution Tropical America, Asia Description This genus includes perennial plants both surface-living and submerged, with herbaceous- or semiwoody stems. The leaves are arranged on oppovie sides of the stem, oblong or lanceolate, often poini d, light green, slightly darker when growing in air. The genus contains some twenty species, a quarter of which are suitable for aquarium use. Propagation By cuttings.
Environment Temperature: 59-77 °F (15— 25 °C), but the extremes may vary by a few degrees. pH: neutral. Water hardness: medium. Illumination: normal 10 intense. Soil: sandy.
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