တရော်

Myanmar Name – Tayaw

Common Name – Myanmar: kyet-tayaw, tayaw. English: hairy indigo.

Botanical Name – Grewia hirsute Vahl

Family Name – Malvaceae

Habitat – Native to China, Bangladesh, Cambodia, India, Laos, Malaysia, Myanmar, Nepal, Sri Lanka, Thailand, and Vietnam.

Habit – Shrub to small tree, up to 5 m high.

Bark – Bark thick grey when young, dark brown on mature trees. 

Leaves – Leaves oblong to lanceolate, 5–20 by 1.5–6 cm, hirsute beneath; apex acute, acuminate to cuspidate; base acute to obtuse and slightly unequal-sided; margin serrate and doubly serrate; 3-nerved at base, basal nerves extending more than ½ of length of leaves; secondary nerves 3–7 pairs, arched; scalariform veins distinct on lower surface; petioles 2–10 mm, hairy.

Inflorescence, Flower , Fruit and Seed – Inflorescence axillary, strong and erect, 1–3 cm long; peduncles 0–5 mm long; pedicels 0.5–4 mm long; flower buds ovoid to oblong, 4–8 by 2–4 mm. Sepals lanceolate, 5–8 by 1–2 mm. Petals oblong, ± 2 by 1 mm, hairy on both sides, ciliate. Stamens glabrous. Ovary globose, ± 2 by 2 mm, hairy. Fruit rounded, 2–4 lobed, shining.

Flowering and Fruiting Time – Flowering and fruiting more frequent during July–December.

Usage – Because the bark produces a slimy liquid, when making shampoo, the bark of the seagull is often mixed with the dried fruits.