In Hindu Mythology, ancient sages and philosophers used flowers, leaves, daily usage things for worshipping all the Gods & Goddesses in different ways considering the versatile use. The reason behind it is that a common man should know the values of these things. Twenty one types of flowers & leaves(a leaf offered to a deity is called as patri ) are offered on Bhadrapad Shudda Chaturthi saying twenty one names of Lord Ganesha along with the name of the flower or leaf,

Om Sumukhay Namaha | Jati Pushpam Samarapayami |
Om Ekadantaya Namaha | Satapatra Pushpam Samarapayami |
Om Kapilaya Namaha | Malati Pushpam Samarapayami |
Om Gajakarnaya Namaha | Champak Pushpam Samarapayami |
Om Lambodaraya Namaha | Karhar Pushpam Samarapayami |
Om Vikataya Namaha | Ketaki Pushpam Samarapayami |
Om Vighanashine Namaha | Bakul Pushpam Samarapayami |
Om Ganadhipaya Namaha | Japakusumam Samarapayami |
Om Dhumraketave Namaha | Punnaga Pushpam Samarapayami |
Om Ganadhyakshaya Namaha | Dhatur Pushpam Samarapayami |
Om Bhalachandraya Namaha | Puga Pushpam Samarapayami |
Om Ganadhipataye Namaha | Karavir Pushpam Samarapayami |
Om Umaputraya Namaha | Parijat Pushpam Samarapayami |
Om Aghanashanaya Namaha | Nagakeshar Pushpam Samarapayami |
Om Yeshaputraya Namaha | Kamal Pushpam Samarapayami |
Om Sarvasiddhipradayakaya Namaha | Mallika Pushpam Samarapayami |
Om Ebhavakatraya Namaha | Nandyavart Pushpam Samarapayami |
Om Mushakvahanaya Namaha | Girikarnika Pushpam Samarapayami |
Om Kumargurave Namaha | Govind Pushpam Samarapayami |
Om Shurpakarnaya Namaha | Indika Pushpam Samarapayami |
Om Sarveshwaryapradayakaya Namaha | Nanavidha Pushpam Samarapayami |

--Ananta
--Cape Jasmine
--Gardenia Jasminoides Ellis

--Mandar 
--Mandar Ankda
--Calotopis Procera R. Br.

 
--Various Flowers
 

--Sonchapha
--Yellow Champa
--Michelia Champaka L.

--Chameli
--Jasmine
--Jasminum Arborescens

--Dalimba
--Pomegranate
--Punica Granatum L

--Juyee 
--Jasmine
--Jasminum Auriculatum

--Madhumalati 
--Rangoon Creeper
--Quisqualis Indica

--Mogara
--Jasmine
--Jasminum Sambae

--Sadaphuli
--Periwinckle
--Vinca Rosea

--Gulab 
--Rose
--Rosa Indica

--Jaswand
--Shoe Flower
--Hibiscus Rosa Sinensis L

--Shevanti
--Chrysanthemum
--Chrysanthemum Indicum L

--Terda
--Balsam
--Impatiens Balsamina

-- Kamal
--Water Lily or Lotus
--Nymphea Lotus L

--Kevada
--Pandanus
--Pandanus Odoratissimus