Mam, Complete set of pictures with illustration. Thanks for sharing.
BRS On Mon, Jan 23, 2012 at 1:12 PM, Madhuri Raut <itii...@gmail.com> wrote: > Nov and Dec 2011 > > Sharing images of Artocarpus heterophyllus at a private society at Pune > > Family Moraceae > > Common name Jackfruit > > Separate male and female inflorescences are borne on the same tree. > > 3 types of footstalks or inflorescence bearing special leafy twigs are > produced on a tree in each flowering season > > TYPE 1: produces only male spikes and this is the first to appear in the > flowering season. They occur mainly on the terminal shoots and branches of > the tree’s crown and also in the main stem. About 10-15 spikes are borne > on each footstalk. > > TYPE 2 bears only female spikes 1-3 on each footstalk. They are formed on > the main trunk and in some cases as low as 50 cm above ground level. This > footstalk is fewer in no as compared to type 1. Virtually all develop into > fruit if pollinated > > TYPE 3 produces both male and female spikes and spikes are borne on the > main trunk or on main branches nearer to the main trunk. Female spikes are > few in no 1-3 and are borne in the proximal leaf axils of the footstalk. > Male spikes are also few in this type. Only few 1-2 develop into fruit > > Whereas male and female inflorescences are similar during early > development, the female spike is later distinguished by a thicker peduncle > and a large annular disc at the base of the spike. Also female > inflorescence buds are shorter and stouter whereas male inflorecence buds > are longer and slender. > > When young, both male and female spikes are enclosed by a pair > of spathe-like stipules which eventually fall off and leave a prominent > annular scar on the node. > > The male spike has many densely crowded flowers, which may be sterile or > fertile. The sterile male flower has a solid perianth: the fertile male > flower is tubular and bilobed The individual flower has a single, 12- > mm-long stamen and four yellow anthers . Flowers are scented. The male > spikes gradually turn black after dehiscence due to growth of mould and > drop after about a week > > Female spikes have numerous female flowers. Each flower has a stout > fleshy receptacle with a white clauvate stigma. Flowers are odorous > > I think the tree was affected by some white fungus. > > I noticed a strange thing ,another plant was growing on this tree .pic > attached. The same plant was planted in pots next to this tree. > -- > Regards > Dr.Bhagyashri Ranade > -- B. Rathinasabapathy Project Co-ordinator Nilgiri Biosphere Nature Park 1388, Avinashi Road Peelamedu Coimbatore-641004 <http://mail.google.com/subscribe.mhtml>
