Hygrophila difformis 'Weiß

Hygrophila difformis

A variegated white-green form of the water wisteria (Hygrophila difformis 'Weiß-Grün'): part of the veins and areas of the leaf blade lack green pigment and stay white or creamy.

Light: low
Difficulty: very easy
Height: 20 – 30 cm (7.9 – 12 in)
Temperature: 18 – 30 °C (64 – 86 °F)

Leaf colour: green
Plant type: stem plant
Growth rate: fast
CO₂ demand: low
Tolerates light: medium – high
pH: 6 – 7
Carbonate hardness: 2 – 21 °dKH
General hardness: 0 – 30 °dGH
Placement: background
Propagation: cuttings
Grows emersed: yes

Appearance

The pattern appears unevenly and does not depend on light intensity. It has been known in the hobby for a long time.

Keeping

Requirements are the same as for the green form: light medium to strong, CO₂ 10–40 mg/l, temperature 24–28 °C.

Trade names

The cultivar name is 'Weiß-Grün', German for 'white-green'. It is rare in the trade.

Water conditions match

The water suits 816 of 1249 species in the catalogue — these are the ones people look up most often.

Butterflyfish Julii Corydoras Red-finned Parotocinclus Gastromyzon monticola Egg-shaped Goldfish Flame Tetra Gardner's Killifish African Tetra Hypsolebias picturatus Common Zacco Labeo Bicolor Gambusia Flying barb Gastromyzon scitulus Albino Zebra Danio Geophagus Brokopondo Homaloptera bilineata Red-tailed Rasbora Boraras naevus Lampeye Killifish Spotted Raphael Catfish Corydoras melanotaenia Festivum cichlid Pseudomugil paskai

Will eat this plant

These species damage plants, especially when their diet is short of vegetable food.

Bengal Loach Zebra Loach Burmese Border Loach Emperor Botia Marbled Headstander Pellegrin's Leporinus Leporinus striatus False Black Tetra Common Metynnis Mylossoma duriventre Red Whiptail Catfish Moonlight Gourami Melanotaenia parva

Will uproot it

These species dig through the substrate and pull rooted plants out.

Marble Loach Peacock Eel Forktail Loach Guntea Loach Long-nosed Loach Horseface Loach Pearlscale Black Moor Goldfish Shubunkin Painted Pleco Featherfin Synodontis Reddish Mystus Catfish Blue Acara Geophagus altifrons Geophagus winemilleri Pearl Cichlid Red-spotted Cichlid Haplochromis philander Red Chromide Jack Dempsey cichlid

Matching water does not mean the fish will leave the plant alone.

Scientific and other names, conservation status

Other scientific names: Cardanthera triflora (Roxb.) Buch.-Ham. ex Voigt, Hygrophila triflora (Roxb.) Fosberg & Sachet, Ruellia difformis L. f., Ruellia triflora Roxb., Synnema triflorum Kuntze, Adenosma triflora, Adenosma uliginosa, Cardanthera difformis, Cardanthera glutinosa, Cardanthera triflora, Cardanthera uliginosa, Cardanthera uliginosa birbhumensis, Hygrophila difformis, Hygrophila heinei, Hygrophila heinei birbhumensis, Hygrophila helodes, Hygrophila pseudopolysperma, Hygrophila triflora, Ruellia difformis, Ruellia obovata, Ruellia tanacetifolia, Ruellia triflora, Ruellia uliginosa, Synnema triflorum, Synnema uliginosum
Hygrophila difformis: (L. f.) Blume
Family: Acanthaceae
Conservation status: LC