Mulberry
belongs to the genus MORUS. The number of species varies according to the
author, as the species classified by some taxonomists are considered as
varieties of the same species by the others. In any case, the number of species
belonging to the genus Morus is more than twenty. There is considerable
variation in each and every character of the species and the varieties
described so far. Hooker (1885) has given the botanical description of the
genus Morus as follows:
Trees or
shrubs. Leaves alternate, entire toothed or three lobed, base three to five
nerved, stipules small, lateral, caduceus. Flowers mono or dioeciously,
spikate. Male flower sepals four imbricate. Stamens four, inflexed in bud.
Pistil lode turbinate. Female flower sepals four, decussate, imbricate, and
succulent in fruit. Ovary included straight one celled, style central, two partite
or two fid; ovule pendulous, fruiting spikes or heads many, achene’s enclosed
in the succulent perianth. Seed subglobose, albumen copious fleshy; embryo
incurved, cotyledons oblong equal, radical ascending incumbent ‑ species few,
tropical and temperate.
Plant Habitat: The plant is
a perennial one, living for a number of years either cultivated or in wild
state. Depending upon the type of cultivation, the plant is grown as a bush,
tree or a middling.
Plant Height: The plants
when allowed to grow as trees attain a height of 20‑25 m. with a girth of‑the
trunk about eight m. in the case of Morus serrata. Where the trees are grown as a fence, they
are allowed to grow to the required height and then pruned at the desired
height every year. The bush and the middling usually attain a maximum height of
1.5 to 1.8 M.
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