FAMILY OF THE WEEK :MYRTACEAE
large family of 120 genera and 3375 species worldwide. In India there
are 14 genera and 165 species occurring chiefly in Eastern India.Vegetative characters :
Trees or shrubs with aromatic fragrance.
vascular bundles in the stem are bicollateral and oil glands are
present in young stem leaves and floral parts.The leaves are opposite
or rarely alternate or crowded at the ends of branches, simple
persistent, thick,mostly entire and exstipulate.
Inflorescence and flowers :
The flowers are axillary solitary(Psidium), in racemes (Barringtonia),in heads or spikes(Callistemon) or in cymes(Tristania).
flowers are bracteate and often have two bracteoles at the base. They
are hermaphrodite, actinomorphic,four or five merous, epigynous. The
calyx is composed of four or five sepals. The corolla is of five
petals. Mostly the stamens are numerous, free, or united into bundles
opposite the petals. The gynoecium is two to several carpellary
syncarpous and with an inferior ovary having as many locules as the
number of carpels. The style is one smooth or bearded at the summit and
the stigma is simple. The ovary is crowned by a fleshy disc.Fruits and seeds :
The fruit is loculicidally or septicidally dehiscent or sometimes indehiscent woody or fibrous or a fleshy berry.
Pollination and seed dispersal :
flowers are pollinated by insects which visit for nectar secreted by
the fleshy disc crowning the ovary.Species like Callistemon are
pollinated by birds.The dispersal of seeds takes place by wind or by
birds and animals.Examples