Stromanthe sanguinea “Tricolor”



Stomanthe sanguinea “Tricolor” is a stunning selection of a tropical herbaceous perennial in the maranta or prayer plant family (Marantaceae) with dramatic, multicolored leaves. Native to rain forests of Brazil, it requires high humidity and warm temperatures to thrive. Once just an uncommon landscape plant in zones 9-11 (or a curiosity for greenhouse growers), this relative of the prayer plant (Maranta species) is becoming more common as an unusual houseplant or seasonal annual in the Midwest grown for its fabulous foliage. This plant has some issues with its name: the true cultivar is actually ‘Triostar’, but typically is marketed under the name “Tricolor” and the species name was technically changed to S. thalia, but this is rarely seen in the trade. There is another similar plant, Ctenanthe oppenheimiana, with a variegated clone called ‘Tricolor,’ but that plant is less common, has different leaf shape, markings and venation and thinner, wirier petioles than S. sanguinea and is not as cold tolerant as S. sanguinea.

S. sanguinea has thick, glossy, oblong leaves with entire margins that are a dark green color on top and burgundy below. The leaves of Tricolor have irregular variegations in cream, pink, and green on the upper surface and are either a solid pink to burgundy or maroon with pink variegation on the lower surface. The amount of variegation varies considerably, with some plants – or just some leaves on a plant – nearly all cream, while other leaves have green bands of various widths, to nearly completely green with just a few creamy streaks. The petioles are a pink or burgundy as well.

S. sanguinea has short, creeping stems that can grow up to 5 feet tall under ideal conditions, but this cultivar remains much shorter (18-30 inches), especially when grown in a container. The 6-12 inch long leaves arise on long petioles from the crown of the plant. Each leaf has a mechanism (the pulvinus) for orienting the blade toward or away from the sun. The leaves fold up at night, making the rosy pink undersides more noticeable. By morning they face to the east so they will catch more of the early morning sun, but by midday, they move to a more upright position so less of the blade is exposed to the intense sun.

Flowers are rarely produced on Tricolor grown as a houseplant. In its native habitat, panicles of white or pink flowers surrounded by tubular orange-red bracts which age to a reddish pink are produced in winter and spring. These tight, pendulous clusters held above the foliage are sometimes seen on plants grown in greenhouses.

More pics coming soon.

Low Water
USDA zones 7b-10b

Additional information

Weight 16 oz
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