Sotthi or Zedoary (Curcuma zedoaria, family: Zingiberaceae) is a perennial herb with underground tubers. It is the closest relative of Turmeric. Needless to say, the characteristics of the two are almost the same. The underground tuber or rhizome is Camphor-scented and white-colored, spreading like Ginger or Turmeric. It is native to South and Southeast Asia. It is found in the rural area, Sal forests and the foothills of hilly areas in Bangladesh.
Other names: Shoti, Shuvodra, Shoumya, Polashika, Shugondhomula (Bang); White turmeric (Eng).
Leaves arise from the tubers. Leaves are glabrous, about1 m long, narrow at the petiole.
Flower blooms in spring-summer. At this time, when it rains a little, a fairy, quite long receptacle (inflorescence stick; about 50 cm long) come out from the rhizome. The bracts in receptacle are purplish and greenish. Although the whole receptacle looks like a flower, the flowers are actually quite small, bloom in the lap of bracts. These are funnel-shaped and yellow in color. It usually does not produce fruits. Propagation is caused by the division of tubers.
Its rhizome is used to prepare medicine for skin diseases, fever, diarrhoea, worm, tumour and enlargement of the spleen.
Kaat-badam or Bengal almond ( Terminalia catappa , family: Combretaceae) is a large deciduous tree with spreading horizontal branches. It is found in the tropical Asia, Africa and Australia. Common names: Katbadam, Deshi badam, Bengal almond, Indian almond, Tropical almond. During winter the beautiful green leaves of terminalia catappa turn to red. Leaves are simple, 15-25 cm long and 8-15 cm wide, obcordate, alternate or whorled. Flowers appear in the summer. Flowers are small, grey white, clustered on axillary or terminal spike. Flowers on the upper part of the inflorescence are male and those are on the lower part are bisexual. Fruit is elliptical, 4-6 cm long, red when ripe. The tree with nice canopy is planted in avenues and gardens as ornamental tree in Bangladesh. Propagation of the plant is caused by seeds.
Tulsi o r Sacred basil ( Ocimum tenuiflorum , family: Lamiaceae) is an odorous perennial herb or undershrub with many branches attaining a height of 1-15 m. Almost whole body of the plant is covered with hairs. Stem is woody furrowed and quadrangular. Like many other herbs (Dhutra, Begun, Pepper) the plant can be purple. It is found everywhere in Bangladesh as a medicinal as well as sacred plant to Hindu community. It has spread across a huge global range, extending from the Arabian Peninsula to East Asia as well as Pacific Islands to Australia. Other names: Kalo tulsi (Bang); Tulasi, Ajaka (Sans); Holy basil (Eng). Leaves are strongly scented, green or purple, hairy, ovate-broadly elliptical, 2-5 cm long and 1-1.5 cm wide, opposite, irregularly dented, petiole 2-3 cm long. Flowers are tiny, white or purplish, 3-8 on terminal inflorescence (12-25 cm long). Corolla bilabiate, petals 5, calyx divided into two parts, Stamens 4. It produces flower almost round the year. Fruit is nut
Guloncho or Heart-leaved moonseed ( Tinospora cordifolia , family: Menispermaceae) is a deciduous creeper with hard and long stem, climbing other trees or fences. Bark on the stem is as thin as paper. Aerial roots come out of the stem when the plant grows older. The plant is found everywhere in Bangladesh except southern part. It is also native to South and Southeast Asia. Common names: Heart-leaved moonseed, Guduchi, Giloy, Guloncho, Guroncho, Padma guloncho. Leaves are simple, green, alternate, cordate, 6-15 cm long and 5-13 cm wide. Inflorescence, growing from the axil of leaflet branches, bears yellow flowers. Male and female flowers bloom separately. Sepals 6, arranged in two rows, petal 6, pistils 3. Fruit is a drupe, brilliant red when ripe. This attractive fruit is inedible to human. What an extensive climber! Tinospora cordifolia is used in weakness, tastelessness, rheumatis