IGNOU LSE 13 2015 - Name the families in which these structures are found :(i) Hypanth

Question

Name the families in which these structures are found :

(i) Hypanthodium

(ii) Tetradynamous androecium

(iii) Convoluted anthers

(iv) Capitulum inflorescence

(v) Intra-petiolar stipules

(vi) Culm

(vii) Obdiplostemonous androecium

(viii) Jaculator

(ix) Gynobasic style

(x) Pseudostem

07 Feb 2018

Answer :

Word Count : 529

(i) Hypanthodium

Ans : Hypanthodium is a special type of inflorescence in which main axis forms the fleshy, hollow and pear shaped receptacle with a narrow apical opening guarded by small overlapping bracts. There are large number of flowers borne on the inner side of the hollow receptacle. There are three types of flowers, male female and gall flowers (sterile flowers). Male flowers are present towards the opening and female flowers are at the base of the cavity. Gall flowers are present in between the male and female flowers
Example: Found in the Ficus species
One more example :
Dorstenia foetida is a

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