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Tanner's Cassia
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Tanner's Cassia

Senna Auriculata

Basic Details
Description
Floral Formula
Features
Translations
Related

Basic Details

NameTanner's Cassia
DescriptionYellow color flowering plant with medicinal properties. Its bark contains the chemical compound tannin from which it gets the name Tanner Cassia.
FamilyFabaceae
GenusSenna
TribeCassieae

Floral Formula & Features

Floral Formula⊕ ⚥ K(5) C5 A10 G(1)

Radially Symmetrical, Bisexual, 5 fused petals, 5 free sepals, 10 free stamens, 1 carpel with superior ovary

Features
  • Bright yellow, appearing in large clusters at the ends of branches. This type of flowering is also known as 'terminal raceme' type of inflorescence
  • It is an evergreen Indian shrub and flowers, fruits, root are all used in traditional native medicine preparatin
  • Tannin from its bark is used for processing leather
  • It grows to a height of 5-6 feet and with lifespan of few years
  • Native to India and Sri Lanka
  • Requires full direct sunlight, susceptible to over watering. So well drained soil is must with sufficient watering

Names in Different Languages

Latin / ScientificSenna Auriculata
English (Alternate)Senna Auriculata, Cassia auriculata, Matara-tea, Styptic Weed, Tanner's senna
Hindiतरवड़ (Tarwar)
Tamilஆவாரம்பூ (Avarampoo), ஆவாரம் (Avaram)
Teluguతంగేడు (Taṅgēḍu), తంగేడు పువ్వు (taṅgēḍu puvvu)
Malayalamആവര (aavara), ആവരമ്പൂ (aavaramboo)
Kannadaಆವರಿಕೆ (āvarike), ತಂಗಡಿ (taṅgaḍi)
Sanskritअवर्तकी (avartaki)
Bengaliবানার্ষা (Banarsha)
Frenchséné, séné d'Alexandrie
RussianСенна уховидная (Sennа ukhovidnaya)
SpanishSenna, la sena.
GermanTanner-Kassie

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.