1 / 12
🌺 HIBISCUS

HIBISCUS

Botanical Study

supervised by

Dr. Khaled Mohammed Allam

A Comprehensive Study of Hibiscus subdariffa

Origin

🌸

Dried calyx and epicalyx

Hibiscus subdariffa

Family: Malvaceae

Macroscopic Characters

🔬

Calyx

Synsepalous (complete fusion of two or more sepals)

🌿

Epicalyx

An involucre resembling the calyx but consisting of a whorl of bracts that is exterior to the calyx or results from the union of the sepal appendages

Physical Properties

🎨

Color

Composed of five large petals that are typically red, pink, or yellow

📐

Shape

Fleshy, pointed lobes with firm texture

👃

Odor

Slightly acidic

👅

Taste

Sour, refreshing

Powder

🔬

Anomocytic Stomata

Found in calyx and epicalyx

💎

Cluster Crystals

Cluster crystals of calcium oxalate

🧵

Lignified Fibres

Lignified fibres and spiral, lignified vessels

Powder

🦄

Non-glandular Hairs

  • Unicellular
  • Long, thick-walled
  • With a wide lumen
  • Tapering apex
  • Covered with a smooth cuticle
  • Arising from ring-like cicatrix surrounded by epidermal cells

Powder

B

Allembic Hairs

Near the veins

C

Cottony Hairs

Non-glandular

D

Stellate Hairs

Large, straight, unicellular arms

E

Asperities

Multicellular uniseriate structure, situated near the margin

Chemical Constituents

🟣

Anthocyanins

Delphinidin and cyanidin derivatives

🍋

Organic Acids

Citric, malic, hibiscus acid

🌿

Other

Mucilage, vitamin C, flavonoids

Uses

💊

Demulcent

In coughs and sore throats

🥤

Beverages

Used in beverages and syrups

❤️

Antihypertensive

As mild antihypertensive agent

Uses

🧴

Emollient & Laxative

As emollient and mild laxative

😴

Sedative

As sedative, slightly diaphoretic and digestive

⚖️

Blood Alkalinizer

As blood alkalinizer

Uses

⚖️

Weight-reducing

Weight-reducing agent

🍵

Beverage Substitute

As a substitute for tea and coffee

🛑

Antifertility

It may have an antifertility activity

🌺

Thank You

For Your Attention

Presented by

Abdullah Gomaa - Abdelaziz Khaled - Ahmed Mamdouh - Ibrahim Mostafa - Ziad Mohammed - Moaaz Mohammed - Mostafa Mahmoud - Ziad Kadry - Mohammed Mokhtar - Islam Yasser