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Bolero Deepblue
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Bolero Deepblue

Eustoma , Eustoma russellianum, Prairie Gentian, Lisianthus, Bluebell

Basic Details
Description
Floral Formula
Features
Translations
Related

Basic Details

NameBolero Deepblue
DescriptionElegant cut flower featuring exquisite rose-like blooms in deep purple-blue shades with satiny, ruffled petals. Flowers resemble roses or poppies with their layered, delicate appearance and can be single or fully double forms. One of the most prized and expensive cut flowers in the floral industry, valued for its exceptional vase life of 2-3 weeks and sophisticated beauty in wedding bouquets and formal arrangements.
FamilyGentianaceae
GenusEustoma
TribeChironieae

Floral Formula & Features

Floral Formula⊕ ⚥ K(5) C(5) A5 G(2)

Radially symmetrical (actinomorphic), bisexual, 5 fused sepals, 5 fused petals forming bell shape, 5 free stamens, 2 fused carpels with superior ovary

Features
  • Name 'Lisianthus' comes from Greek 'lysis' (dissolution) and 'anthos' (flower). 'Eustoma' means 'beautiful mouth' referring to the flower's open form. 'Prairie Gentian' reflects its native habitat and family relationship to gentians
  • Rose-like flowers 2-3 inches (5-7 cm) across with 5-10 satiny petals (single forms have 5, doubles have many more). Blooms in deep blue-purple, also available in white, pink, cream, and bicolors. Petals have delicate, ruffled edges
  • Biennial or annual depending on climate and cultivation. Blooms in summer (June-September) when grown as annual. In commercial production, grown in greenhouses year-round. Requires cool temperatures for bud initiation
  • Grows 1-3 feet (30-90 cm) tall depending on variety. Dwarf types 8-12 inches, tall cut flower varieties 24-36 inches. Lifespan of 1-2 years. Propagated from seed (slow, 5-6 months to bloom) or tissue culture commercially
  • Native to prairies and grasslands of southern United States, particularly Texas, Nebraska, and Colorado, extending into northern Mexico. Found in alkaline soils of open plains
  • Requires full sun with 6-8 hours of direct sunlight. Prefers cool to moderate temperatures (60-75°F) and struggles in extreme heat. Needs well-drained, slightly alkaline soil. Sensitive to overwatering and root rot
  • Premium cut flower with exceptional vase life of 14-21 days. Among top 10 most valuable cut flowers globally. Popular for weddings, formal events, and high-end floral design. Challenging to grow, requiring precise temperature and moisture control

Names in Different Languages

Latin / ScientificEustoma , Eustoma russellianum, Prairie Gentian, Lisianthus, Bluebell
English (Alternate)Texas Bluebell, Eustoma Exaltatum Ssp, Showy Prairie Gentian, Prairie Gentian, and Lisianthus
Hindiबेगम बहार (begam bahaar)
Tamilதெற்கு நீலமணிப்பூ (therku neelamani poo)
Teluguతెల్లావారిన పువ్వు (tellavaarina puvvu)
Malayalamതെക്സസ് ബ്ലൂബെൽ (Ṭēksāsa Bloobel), തെക്സസ് ബ്ലൂബെൽ പുഷ്പം (Ṭēksāsa Bloobel Pushpam)
Kannadaಟ್ಯಾಕ್ಸಸ್ ನೀಲಿಗಂಟಲು ಹೂವು (Taksas niiligantalu huuvu)
Sanskritsuradruma (सुराद्रुम), campaka (चम्पक)
Bengaliনন্দিনী (Nandini)
Frenchlupin du Texas, lupin texan, jacinthe des bois
RussianЭустома (Eustoma)
Spanishel conejo, azulejo
GermanGlockenblume, Prärie-Enzian

What is Floral Formula?

A floral formula is a symbolic representation of a flower's structure using letters, numbers, and special symbols. It provides a concise way to describe the arrangement and number of floral parts.

Example Formula
% K(6) C1+2+(2) A(9) G2

This formula describes the flower's symmetry, sepals, petals, stamens, and carpels in a standardized format.

Formula Sequence

  • Bract: Br or Ebr
  • Bracteole: Brl or Ebrl
  • Symmetry: % (Radial) or ⊕ (Bilateral)
  • Sex: ♀ (Female), ♂ (Male), or ⚥ (Bisexual)
  • Calyx/Sepal: K<number> (Free or Fused)
  • Corolla/Petal: C<number> (Free or Fused)
  • Androecium: A<number> (Free or Fused)
  • Gynaecium: G<number> (Superior or Inferior Ovary)

Symbol Meanings

  • Numbers: Indicate quantity of parts
  • Parentheses (): Parts are fused together
  • Plus (+): Parts in different whorls
  • Underline: Superior ovary position
  • Overline: Inferior ovary position
  • ∞: Numerous parts (too many to count)

Understanding floral formulas helps botanists quickly identify and classify flowers based on their structural characteristics.