With ovoid grains of 3 – 4 mm length pearl millet has the largest kernels of all varieties of millet (not including sorghum) which can be nearly white, pale yellow, brown, grey, slate blue or purple.
A plant
Pennisetum glaucum
Pennisetum glaucum is an annual grass, erect and reaching up to 3 m high with a profuse root system. Culms are slender, 1-3 cm wide. Leaves are alternate, simple, blade linear, pubescent and minutely
serrated, up to 1.5 m long x 8 cm wide. The inflorescence is a panicle, 12 to 30 cm long. Fruits are grains whose shape differs according to cultivars. It uses C4 carbon fixation ( Andrews et al., 2006 ).
Fountain grass is a perennial bunched grass, It is an ornamental plants and has become an invasive species. It is drought tolerant grows fast reaches 3 feet in height.