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Golden Thryallis
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Golden Thryallis

Galphimia gracilis

Basic Details
Description
Floral Formula
Features
Translations
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Basic Details

NameGolden Thryallis
DescriptionDelightful evergreen shrub featuring abundant sprays of small, bright golden-yellow, star-shaped flowers that bloom nearly year-round in warm climates, creating cascading displays resembling showers of gold. Compact, rounded growth habit with glossy green foliage makes it ideal for hedges, borders, and foundation plantings. Blooms prolifically with minimal care, thriving in heat and humidity. Attracts butterflies and hummingbirds while resisting deer. Perfect for tropical and subtropical gardens seeking continuous color.
FamilyMalpighiaceae
GenusGalphimia
TribeGalphimieae

Floral Formula & Features

Floral FormulaEBr ⊕ ⚥ K5 C5 A10 G(3)

Ebracteate (no bracts), radially symmetrical (actinomorphic), bisexual, 5 free sepals, 5 free petals (clawed), 10 free stamens, 3 fused carpels with superior ovary

Features
  • Name 'Galphimia' honors Italian botanist Martino Gal fimia. 'Gracilis' means slender or graceful. 'Thryallis' former genus name, still commonly used. 'Rain of Gold,' 'Shower of Gold,' 'Spray of Gold' describe cascading yellow blooms. About 12 Galphimia species, all from Americas
  • Flowers 0.5 inches (1-1.5 cm) across, small star-shaped blooms with 5 rounded petals. Bright golden-yellow color. Arranged in terminal racemes 4-6 inches long creating showy sprays. Blooms nearly year-round in tropical climates, primarily spring through fall elsewhere. Individual flowers short-lived but constantly replaced
  • Evergreen shrub that blooms continuously in warm conditions. Compact, rounded, bushy growth. Fast-growing, reaching mature size in 2-3 years. Responds well to pruning for shaping. Popular hedge and border plant. Thrives in heat and humidity
  • Grows 3-6 feet (1-2 m) tall and wide, typically maintained at 3-4 feet with pruning. Compact, rounded habit. Lifespan of many years (10-20+). Propagated from semi-hardwood cuttings (root easily in 3-4 weeks), seeds, or layering
  • Native to Mexico and Central America (Guatemala, Honduras). Found in tropical and subtropical forests, woodland edges. Now widely cultivated in tropical and subtropical regions worldwide, especially southern United States, Caribbean, Southeast Asia
  • Requires full sun to partial shade (blooms best in sun). Adapts to most well-drained soils. Drought tolerant once established but blooms better with regular water. Tolerates heat, humidity, and salt spray. Prune to shape. Frost tender (damaged below 32°F/0°C). Zones 9-11
  • Excellent hedge, border, foundation, and container plant. Blooms nearly year-round in warm climates. Attracts butterflies, bees, and hummingbirds. Deer resistant. Low maintenance. Fast-growing for quick screening. Compact size ideal for small gardens. Used in traditional medicine for anxiety. Perfect for continuous color in tropical gardens

Names in Different Languages

Latin / ScientificGalphimia gracilis
English (Alternate)Thryallis gracilis, Galphimia gracilis, Indian Laburnum, Pudding-pipe tree, Amaltas
Hindiगोल्डन शावर (Golden Shower), सोने की बौछार (Sone ki Bauchaar), सोने की बारिश (Sone ki Baarish)
Tamilமஞ்சள் தங்கச்சரி (Manjal thangachari), தங்கச்சரி (thangachari), தங்க மழைப் பூ (Thanga malai poo), பொன்மழை (Ponmalai), பொன் மழைப் பூ (Pon malai poo)
Teluguస్వర్ణపుష్ప వాన (Svarapupa vāna), స్వర్ణ వర్షం (Svarṇa Varṣam), బంగారు వర్షం పువ్వు (baṅgāru varṣaṁ puvvu), బంగారు తుంపర పువ్వు (baṅgāru tumpara puvvu)
Malayalamഗോൾഡ് ഷവർ (Gold Shower), സ്വർണമഴ (Svarna Mazha)
Kannadaಗೋಲ್ಡ್ ಶವರ್ (Gold Shower), ಥ್ರೈಲ್ಲಿಸ್ (Thryallis), ರೈನ್ ಆಫ್ ಗೋಲ್ಡ್ (Rain of Gold), ಸ್ಪ್ರೇ ಆಫ್ ಗೋಲ್ಡ್ (Spray of Gold)
Sanskritस्वर्णवर्षा (Svarnavarṣā), स्वर्णपुष्पा (Svarnapuṣpa)
Bengaliস্বর্ণঝরা ফুল (Swarnajhara Phul), গ্যালফিমিয়া (Galphimia), গোল্ড শাওয়ার (Gold Shower)
FrenchPluie d'or, Galphimie gracile
RussianГальфимия (Gal'fimiya), изящная (izyashchnaya), Гальфимия изящная (Gal'fimiya izyashchnaya)
SpanishLluvia de oro, Granito de oro, Consuelita, Gotas de oro
GermanGoldtaler, Goldschauer, Goldregenstrauch

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.