What is simple inflorescence?
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed. Inflorescences may be simple (single) or complex (panicle).
What is Dichasial inflorescence?
Definition. A determinate inflorescence in which growth of the central axis is terminated by a flower that opens first and each pair of branches subtending this flower then is terminated by a single flower.
Why is sunflower not a flower?
Sunflower is not a flower , but it is kind of inflorescence called capitulum in which the receptacle is flattened. It bears numerous sessible and small florests. The youngest floret is in the center and oldest lies at the periphery . Whole cluster of florets gets surrounded by bracts, known as involucre .
What is Biparous cyme?
Verticillaster is a cluster of sessile or subsessile flowers borne on a biparous cyme (dichasial) that ends in a uniparous cyme (monochasial) in the shape of a condensed whorl on either side of the node. It’s a form of cymose inflorescence. Tulsi is an example. Biparous or said cyme:-The main axis ends in the vine.
What is raceme inflorescence?
Definition of raceme : a simple inflorescence (as in the lily of the valley) in which the flowers are borne on short stalks of about equal length at equal distances along an elongated axis and open in succession toward the apex — see inflorescence illustration.
What is terminal flower?
Axial and terminal flower refers to the position of the flower. Flowers located near the middle of the plant is axial whereas flowers located at the ends of the stems are terminal position. 3 (5)
What do sunflowers do at night?
At night, in its absence, the sunflowers face east again, anticipating the sun’s return. They do this until they get old, when they stop moving. Then, always facing east, the old flowers await visits from insects that will spread their pollen and make new sunflowers. Those flowers too, will follow the sun.
What kind of inflorescence does a racemose plant have?
Inflorescence: Type # 1. Racemose Inflorescence: In this type of inflorescence the main axis does not end in a flower, but it grows continuously and develops flowers on its lateral sides in acropetal succession (i.e., the lower or outer flowers are older than the upper or inner ones).
How many types of inflorescence are there in cymose?
This type of opening of flowers is known as centrifugal. The cymose inflorescence may be of four main types: (iv) Cymose capitulum. Here the main axis ends in a flower and it produces only one lateral branch at a time ending in a flower. The lateral and succeeding branches again produce only one branch at a time like the primary one.
What kind of inflorescence has a terminal flower?
This type of inflorescence is known as sympodial cyme as found in some members of Solanaceae (e.g., Solanum nigrum). (ii) Biparous or Dichasial Cyme: In this type of inflorescence the peduncle bears a terminal flower and stops growing.
What kind of inflorescence has a flat surface?
In this type of inflorescence the main axis or receptacle becomes suppressed, and almost flat, and the flowers (also known as florets) are sessile (without stalk) so that they become crowded together on the flat surface of the receptacle.