From its peculiar habit, Duabanga grandiflora (syn. D. sonneratioides) is a singular feature in its native forests. The trunk

Trunk (botany)

In botany, trunk refers to the main wooden axis of a tree that supports the branches and is supported by and directly attached to the roots. The trunk is covered by the bark, which is an important diagnostic feature in tree identification, and which often differs markedly from the bottom of the...

 is erect, 40–80 feet high, undivided but sometimes forking from the base. The lower limbs spread drooping from the trunk; these are long, slender, sparingly branched, and the branches are four-angled, loosely covered with large spreading leaves

Leaf

A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

. Since the leaves are arranged in two ranks, the slender branches resemble petiole

Petiole (botany)

In botany, the petiole is the stalk attaching the leaf blade to the stem. The petiole usually has the same internal structure as the stem. Outgrowths appearing on each side of the petiole are called stipules. Leaves lacking a petiole are called sessile, or clasping when they partly surround the...

s, bearing pinnae

Pinnate

Pinnate is a term used to describe feather-like or multi-divided features arising from both sides of a common axis in plant or animal structures, and comes from the Latin word pinna meaning "feather", "wing", or "fin". A similar term is pectinate, which refers to a comb-like arrangement of parts...

 of a compound leaf; the leaves are further often recurved, and are deep green above, and almost white beneath. The large blossom

Blossom

In botany, blossom is a term given to the flowers of stone fruit trees and of some other plants with a similar appearance that flower profusely for a period of time in spring...

s expand in April, exhaling a rank odour reportedly resembling asafoetida

Asafoetida

Asafoetida , alternative spelling asafetida, is the dried latex exuded from the living underground rhizome or tap root of several species of Ferula, which is a perennial herb...

 when they first burst, but they become inodorous before the petal

Petal

Petals are modified leaves that surround the reproductive parts of flowers. They often are brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called a corolla. Petals are usually accompanied by another set of special leaves called sepals lying...

s drop. The stamen

Stamen

The stamen is the pollen producing reproductive organ of a flower...

s are all bent inwards in bud. The fruit

Fruit

In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...

 is a large as a small apple

Apple

The apple is the pomaceous fruit of the apple tree, species Malus domestica in the rose family . It is one of the most widely cultivated tree fruits, and the most widely known of the many members of genus Malus that are used by humans. Apple grow on small, deciduous trees that blossom in the spring...

. The wood is white and soft.