Epinephrine --> Gαs-GTP-->Adenylyl cyclase-->cAMP-->PKA

TLS Online TPP Program

#Id: 10742

#XL - R Botany

Simple Umbel

Examples: Centella asiatica (Brahmi), Allium cepa (onion), Fatsia japonica (paper plant), Primula veris (cowslip), etc.

TLS Online TPP Program

#Id: 10743

#XL - R Botany

Compound umbel

Example: 

Coriandrum sativum (coriander), Foeniculum vulgare (fennel), Daucus carota (carrot), Conioselinum pacificum (parsley), etc.

TLS Online TPP Program

#Id: 10744

#XL - R Botany

(main axis flattened)

Capitulum (head)

The peduncle is reduced to a flat, concave, or convex disc, the receptacle that bears small sessile and centripetally arranged flowers called florets, surrounded by an involucre of bracts

Examples: Helianthus annuus (Sunflower), Zinnia, Tagetes erecta (Marigold), Cosmos, Mimosa pudica (touch-me-not), Acacia, etc.

TLS Online TPP Program

#Id: 10745

#XL - R Botany

I- Homogamous head

This type of inflorescence exhibits single kind of florets. 

disc florets alone or ray florets alone

II- Heterogamous head; 

The inflorescence possesses both types of florets.

Example;   Helianthus

TLS Online TPP Program

#Id: 10746

#XL - R Botany

Cymose Inflorescence

It is a definite or determinate inflorescence

The stalked flowers are either basipetal or centrifugal

TLS Online TPP Program

#Id: 10747

#XL - R Botany

Simple cyme (solitary)

Determinate inflorescence consist of a single flower, it may be terminal or axillary

Example: Hibiscus rosa-sinensis