Page 45 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303)

Drupe: A simple fleshy fruit with a single seed encl
called stone fruits e.g., peach.
Hesperidium: A berry with a leathery rind e.g., ora
Pepo: A berry with hard, thick rind e.g., Waterme

B‐ Dry fruits:

1-Dry Indehiscent:

In which the pericarp remains closed (seeds remain inside

Achene (monocarperally ovary):

Pericarp surrounding a single seed and separated from th

Caryopsis (Grain):

Achene but pericarp fused with testa. e.g. Maize

Cypsela:

Achene derived from bicarpellary syncarpous ovary, fruit

Nut:

Achene but pericarp become hard and very woody.

Samara:

Achene with wing. e.g. sycamore.

2- Dry dehiscent:
In which the pericarp is opened to liberate seeds.
Follicle

➢ Single carpel.
➢ Split along one side (ventral suture).

Legume or Pod (monocarperally ovary)
➢ Single carpel.
➢ Split along two sides (ventral and dorsal sutu