Rudro polash or African tulip, Spathodea campanulata

-

Rudro polash or African tulip (Spathodea campanulata, family: Bignoniaceae) is a large or medium-sized tree with upright branches and bushy canopy, attaining a height of 20-30 m. The ornamental tree is introduced in Bangladesh and is very popular to passionate gardeners and naturalists. It is found in parks, botanical gardens and beside roads in the country. The tree is originated in tropical Africa. 


Other names: Tulip gach (Bang), Scarlet bell tree (Eng). 

Leaves are compound, imparipinnate (having single leaflet at the top) 9-19 in a pinnae, leaflets ovate-oblong, short-petioled, 10-16 cm long, opposite, edge uneven, tip pointed. Although many leaves of the semi-deciduous tree fall in winter, it does not become completely bald. New leaves come in spring, with lots of vibrant and spectacular flowers. 

It produces orange or reddish flowers at the top of the terminal branches. Flowers are big, wide, campanulate, spathaceous, 18-20 cm long, beaked, usually upright, bisexual. Penduncle tomentose, sepals 5, petals 5, stamens 4. Flowering occurs in the spring (Feb-Apr). 

Fruits are long, up to 20 cm, erect capsules. Seeds are thin and winged. Propagation of the plant is caused by seeds, root suckers and cuttings.  

Flowers usually do not stay in the tree for more than 3 days. Needless to say, the glory of its flowers spread all over the world, but the smell is quite unpleasant!


Comments

Post a Comment

Week Star

Makal or Mahakal, Trichosanthes tricuspidata

-
Image
Makal or Mahakal ( Trichosanthes tricuspidata , family: Cucurbitaceae) is a woody climber with tendril and branches, attaining a height of 10-12 m. The multiangular-branched plant climbs up very far by holding any tree in the forest. It is found in the hilly areas as well as plain forests and village thickets in Bangladesh. It is also found in Indian subcontinent, Australia and some countries of South and Southeast Asia.  According to ancient Sanskrit scriptures the other names of the plant are Bishala, Mohendro-baruni.  In the Himalayas it has been seen at an altitude of 5000 feet. There are many refferences to the fruit in Bangla and Sanskrit literature. Someone is very nice to look at but he/she is useless--writers usually jokingly give examples of this fruit. Its roots and attractive fruits are packed with medicinal properties.  The size and shape of leaves may vary. These are multilobed or trilobed, alternate, rough in both sides, 5-12 cm long, petioled, cor
Read more

Shachi or Sessile joyweed, Alternanthera sessilis

-
Image
Shachi or Sessile joyweed ( Alternanthera sessilis , family: Amaranthaceae) is a creeping sub-aquatic herb with many branches, attaining a height of 10-35 cm. The branches are formed in pairs from the nodes of the stems. Sometimes it lies on the ground by forming roots from the stem axil.  Other names:  Chanchi, Phul heicha, Haiccha, Shati shak.  Stem is glabrous and usally green but sometimes reddish. Young shoots are minutely hairy. The plant grows near water bodies, in fallow lands, on roadside, even on old wall. It is found everwhere in Bangladesh. It is also found in tropical and sub-tropical regions of the world. Leaves are green, sessile, elliptic-oblanceolate, opposite, 5-6 cm long and 2.5-3.5 cm wide, undulated and dented irregularly, tip rounded.  The inflorescence, round in shape and white in color arises from the leaf axil. These are much like Maloncho (Alligator weed) . Florets are sessile, petals 5. It blooms almost round the year. F
Read more

Tomal or Mountain persimmon, Diospyros cordifolia

-
Image
Tomal  or  Mountain persimmon  ( Diospyros cordifolia,  family: Ebenaceae) is a deciduous small to medium-sized tree with spreading branches and blackish bark, sometimes thorny. This beautiful tree is native to Malaysia, Myanmar, Australia and is introduced to Bangladesh and other subcontinent countries. Not yellow, but black is the ripe fruit! Leaves are simple green, glabrous, petioled, alternate, lanceolate-cordate 5-10 cm long and 2-4 cm wide.  Flowers are small, whitish, with 4 petals. January-February is the flowering time. Male and female flowers usually grow singly from leaf axil while the male ones bloom in cluster on cyme inflorescence.  Poisonous fruit is berry, round,  fleshy  2.5 cm across. Half-matured fruits are ye llow and they turn purplish black when fully ripe. Propagation of the plant is caused by seeds. As a medicinal plant diospyros cordifolia is used in the treatment of fever, pneumonia and diarrhoea. Stout thorns
Read more