Homalomena rubescens ‘Stardust’

Origin and habitat

Homalomena rubescens has a broad native range from the eastern Himalaya through southern China to mainland South-East Asia. It grows on the floor of warm tropical and subtropical forest in moist, humus-rich ground. Loose organic matter keeps air spaces open around the roots even while the ground remains damp.

Care for clumping aroid roots and foliage

• Container and roots: Give the plant a slightly larger pot once the roots and basal shoots fill the available space, without burying the crown more deeply.
• Watering: As the surface layer dries, water the crowded basal clump evenly and let it drain; check the central root mass before repeating.
• Daily light: Use medium to bright indirect light and keep the plant out of strong direct sun. A persistently dim position slows growth.
• Warmth and humidity: Keep conditions stable in steady indoor warmth with moderate to high humidity. Avoid cold draughts, radiators, and drying vents.
• Nutrients: Feed Homalomena rubescens ‘Stardust’ lightly during visible leaf growth. Continued winter growth still needs nutrients, although the interval can be longer.

Problems and solutions for Homalomena rubescens ‘Stardust’

Speckled areas turn tan: Check if the damage is on the sun-facing side or appeared after a dry spell. Filter strong light and keep the root ball evenly moist.

A new leaf has less speckling: The pattern can vary between individual leaves. Watch the next two or three leaves for a consistent change.

Fine webbing crosses the speckled surface: Spider mites can shelter beneath overlapping leaves and around petiole junctions, producing a fine dull stipple. Keep the plant apart, treat the lower surfaces, petiole bases and emerging rolls, and repeat only at the interval stated for the pest found.

Homalomena rubescens ‘Stardust’ is toxic to people and pets

• Keep this plant away from children, cats and dogs.
• Its leaves and stems contain insoluble calcium oxalate crystals, which can irritate the mouth, throat, skin and eyes.
• Chewing may cause burning pain, drooling, swelling, vomiting or difficulty swallowing. Contact a veterinarian or medical professional after exposure, especially if swelling or breathing problems occur.

What does Homalomena rubescens mean, and who first published it?

Homalomena combines Greek homalos, meaning flat, with mene, meaning moon. Rubescens means becoming reddish and refers to the red-toned petioles.

Heinrich Wilhelm Schott established the genus Homalomena in 1832 in Meletemata Botanica, page 20.

William Roxburgh first described it as Calla rubescens in 1832 in Flora Indica, 1832 edition, volume 3, page 515. Karl Sigismund Kunth later placed it in Homalomena as Homalomena rubescens in 1841 in Enumeratio Plantarum, volume 3, page 57.