Grewia flavescens

No common name set

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Malvaceae

English:Donkey berry, Sandpaper raisin
Hindi:Khatkhati
Malayalam:Shenkadasi, Chathurakall
Marathi:Khatkhati
Tamil:Semparandai
Grewia flavescens specimen

Main specimen

Habit

Grewia flavescens is a deciduous, densely branched and multi-stemmed shrub up to 4-5 meters.

Grewia flavescens multi-stemmed shrub

Grewia flavescens multi-stemmed shrub

Stem Bark

The bark of Grewia flavescens is grey-brownish coloured.
The main stem of the shrub is 4-angled and deeply grooved.

main stem

main stem

bark

bark

bark with shoot

bark with shoot

Leaf

The leaves of Grewia flavescens are simple and distichous-arranged on the twigs.
They are oblong-lanceolate, thick, stellate-tomentose and dark-green above and pale green coloured beneath. The leaves are 6-10 cm long and 2.5-3.5 cm wide with a short petiole (4-5 mm long). The apex is acute, the base is rounded to truncate and the margins are serrate.
The venation is reticulate with prominent nerves.

Grewia flavescens leaf (upper and lower sides)

Grewia flavescens leaf (upper and lower sides)

Grewia flavescens shoot

Grewia flavescens shoot

Grewia flavescens twig

Grewia flavescens twig

Grewia flavescens branchlet

Grewia flavescens branchlet

Grewia flavescens leaves

Grewia flavescens leaves

Grewia flavescens shoot (with cyme buds enclosed into the bracts)

Grewia flavescens shoot (with cyme buds enclosed into the bracts)

Flower

The flowers of Grewia flavescens are bright yellow, 1.5-2 cm across and they are grouped in axillary 3-flowered clusters (cymes).
The peduncle is about 5-6 mm long covered with long hairs.
The bracts are ovate, 4 cm long and 3 mm wide with an acute apex.
The calyx is composed of 5 sepals. They are linear, 1.5 cm long and 0.25 cm wide, bright yellow above and greenish stellate-tomentose beneath. They curve back when the flower is in full bloom.
The corolla is composed of 5 bright yellow petals, hairy only at the base. They are linear, 1.5 cm long and 2 mm wide with a bifid tip.
The yellow stamens are numerous with 8-12 mm long filiform filaments and tiny versatile anthers.
The ovary is globose and 2-celled. The style is 12 mm long with a trifid and pointed stigma.
The flower is fragrant.

Grewia flavescens flowers in bloom and buds

Grewia flavescens flowers in bloom and buds

Grewia flavescens flowers in bloom and buds

Grewia flavescens flowers in bloom and buds

Grewia flavescens flowers and buds cluster on the right (a cyme)

Grewia flavescens flowers and buds cluster on the right (a cyme)

Grewia flavescens reproductive structures : numerous stamens and a trifid pistil

Grewia flavescens reproductive structures : numerous stamens and a trifid pistil

Grewia flavescens flowers cluster

Grewia flavescens flowers cluster

Grewia flavescens flowers in bloom

Grewia flavescens flowers in bloom

Grewia flavescens flower and buds

Grewia flavescens flower and buds

Grewia flavescens flower and buds

Grewia flavescens flower and buds

Fruit

The fruit of Grewia flavescens is a drupe, brown coloured when ripe.
This fruit is globose (sometimes 2-lobbed), about 1 cm across and stellate tomentose.
The epicarp (fruit-wall) is crustaceous and the mesocarp (pulp) is fibrous.
The fruit is 1- or 2-seeded.

Grewia flavescens ripe fruits

Grewia flavescens ripe fruits

Grewia flavescens unripe fruits

Grewia flavescens unripe fruits

Grewia flavescens ripe fruit fibrous pulp

Grewia flavescens ripe fruit fibrous pulp

Grewia flavescens branch bearing fruits

Grewia flavescens branch bearing fruits

Grewia flavescens ripe fruit

Grewia flavescens ripe fruit

Grewia flavescens unripe fruit

Grewia flavescens unripe fruit

Seed

The seed of Grewia flavescens is enclosed into a stone. The stone is globose, very hard, with an irregular surface. It is about 5 mm across and there is 1 stone per fruit.

Grewia flavescens seeds

Grewia flavescens seeds

Grewia flavescens seeds

Grewia flavescens seeds

Human Uses

The branches of Grewia flavescens are used for making baskets.

The fruit of Grewia flavescens is edible and tasty.

The fruit of Grewia flavescens contains remarkably high amounts of iron. (Nutritional composition of Grewia species fruits, G.O. Mohammed Elhassan and S.M. Yagi, 2010)
That supports the traditional use of the plant in the treatment of anemia.

Ecology

  • Ecology :
    Grewia flavescens is found in open woodland, scrub jungles, thickets, on rocky hillsides, along river banks and at margins of forests; from coastal plains to 900-1000 meters of elevation.
  • Distribution

  • Distribution :
    Grewia flavescens is distributed throughout tropical Africa, Arabian Peninsula and India.
  • Source

    Information on this page is sourced from: