ABOUT
HENNA
Henna
or Hina is a flowering plant, the sole
species in the genus Lawsonia in the family Lythraceae.
It is native to tropical and subtropical regions
of Africa, southern Asia, and northern Australasia
in semi-arid zones. Henna is a tall shrub or small
tree, 2–6 m high.
It is glabrous, multibranched
with spine tipped branchlets. Leaves are opposite,
entire, glabrous, sub-sessile, elliptical, and broadly
lanceolate (1.5–5.0 cm x 0.5–2 cm),
acuminate, having depressed veins on the dorsal
surface. During the onset of precipitation intervals,
the plant grows rapidly; putting out new shoots,
then growth slows.
The leaves gradually
yellow and fall during prolonged dry or cool intervals.
Henna flowers have four sepals and a 2 mm calyx
tube with 3 mm spread lobes. Petals are obvate,
white or red stamens inserted in pairs on the rim
of the calyx tube.
Ovary is four celled,
style up to 5 mm long and erect. Fruits are small,
brownish capsules, 4–8 mm in diameter, with
32–49 seeds per fruit, and open irregularly
into four splits.[1] Lawsone content in leaves is
negatively associated with the number of seeds in
the fruits.
Source:
Wikipedia
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