Lisianthus
Lisianthus (Eustoma Grandiflorum) is a genus of 3 species in the family Gentianaceae. Lisianthus are found in warm regions of the Southern United States, Mexico, Caribbean and northern South America. Lisianthus is popular in horticulture, as an ornamental, a potted indoor plant, and a cut flower.
- Kingdom
- Plantae
- Division
- Magnoliophyta
- Class
- Magnoliopsida
- Order
- Gentianales
- Family
- Gentianaceae
- Genus
- Eustoma
Lisianthus plants are herbaceous annuals, growing to 15 - 60 cms in height. Lisianthus plants have bluish green, slightly succulent leaves, and large funnel-shaped flowers growing on long straight stems. Lisianthus are mostly found growing in grasslands and areas of disturbed ground.
Lisianthus are large gentian-like bell-shaped flowers with flaring pale purple petal-like lobes. Lisianthus bloom in summer from the upper leaf axils. Lisianthus are long-lasting flowers with four wide ruffled, delicate petals and oval leaves. Colors of Lisianthus include white, various shades of pink, lavender, deep purple, and bi-colors such as blue-violet. Double and single Lisianthus flower varieties exist.
Lisianthus are long-stemmed flowers in cymes, with often only a few opening at a time. Sepals on Lisianthus are only fused close to the base and are much smaller than petals. The petals on Lisianthus are purple or bluish, large and rounded, with only a fuse at the base. The petals of the Lisianthus form a trumpet or funnel-shaped corolla, and are often yellow on the inside close to the mouth of the flowers. The stamens of the Lisianthus are inserted close to the base of the petals, with long, only slightly twisted anthers. The Lisianthus stigmas are bilobed. Garden Lisianthus cultivars typically grow 18-30 inches tall, although some dwarf varieties (6-8 inches tall) are available. Lisianthus are glabrous herbs with a bluish tone on their leaves and stems (glaucous).
Facts about Lisianthus
- Eustoma grandiflorum was formerly known by the scientific name of Lisianthus russellianus.
- Eustoma is named after the Greek words eu (beautiful, good, well-), and stoma (mouth).
- Single forms of Lisianthus resemble full blown Tulips or Poppies.
- Double forms of Lisianthus reminds one of Roses or Peonies.
- The name Lisianthus comes from the Greek words lysis, meaning dissolution and anthos, meaning flower.
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Growing Lisianthus
- Lisianthus like moist, well-drained soil.
- Plant Lisianthus in spring.
- Plant 6 inches apart and water well.
- Keep soil evenly moist.
- Trim faded Lisianthus flowers to promote longer bloom.
- Fertilize every four to six weeks or work in a slow-release fertilizer at planting time.
Lisianthus Plant Care
- Do not overwater and grow on in good light.
- In spring, gradually harden off and plant out, 23 cm (9 in) apart, when all the risk of frost has gone, into a sheltered, sunny spot in well-drained soil.
- As plants grow, pinch out growing points once or twice and provide twiggy sticks for support.
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