Tecomella undulata(Sm.) Seem.

(Rohituka)



Common nameRohituka
HabitTree
HabitatArid regions
Parts usedStem bark

Synonyms

Sr. No. Synonyms
1Tecoma undulata (Sm.) G.Don
2Tecoma glauca DC.
3Bignonia glauca Decne.
4Bignonia tropaeolum Jacquem. ex DC.
5Bignonia undulata Sm.
6Gelseminum undulatum (Sm.) Kuntze

Taxonomical information

KingdomViridiplantae
PhylumStreptophyta
ClassMagnoliopsida
OrderLamiales
FamilyBignoniaceae
GenusTecomella
SpeciesTecomella undulata (Sm.) Seem.

Vernacular names

SanskritRohituka
EnglishDesert teak
HindiRoheda
KannadaMullumuntala
MarathiRohida
MalayalamChemmaram
BengaliHarinahada, Rada rayana
TamilMalampulvan
TeluguRohitaka
Urdu

Morphology

It is a large shrub or small tree with drooping branches and greyish-green leaves. Tree attains a height ofabout 2.5 to 5m. The leaves are simple 5 to 12.5cm in length and 1 to 3.2cm in width, narrowly oblong, obtuse, and entire with undulating margins. Flowers are large, beautiful, orangered and odourless. Flowers are present in corymbose few flowered racemes, terminating short lateral branches, pedicles are 6 to 13 mm long, Calyx 9.5 to 11mm long, campanulate. Flowers are beautifully coloured and found in yellow, red and orange colours. Flower is considered as the state flower of Rajasthan. Lobes are 3mm long, broadly ovate, obtuse, mucronate. Corolla is 3.8 to 6.3cm long, orange yellow, campanulate, veined. Lobes are 5 subequal rounded. Stamens are exerted and filaments are glabrous. Stigma are 2 lamellate, lobes are spathulate-oblong, rounded. The tree blooms in the month of April-May and bears fruits, thereafter. Capsules are 20 by 1 cm slightly curved, linear-oblong, acute, smooth. Valves are thin. Seeds are 2.5 by 1 cm. Wings are very narrow round the apex of seed while absent at its base.

Distribution

It is distributed in the drier parts of Arabia, southern Pakistan and northwestern India up to an elevation of 1200 meters.

Medicinal uses

Abdominal lump, worm infestation, Jaundice, Disease of ear, Leprosy, obesity, disease of the eye, splenomegaly, metabolic disorder, disorders of blood, pain, leucorrhoea, constipation, ulcer, liver disorder

References

1Dhir, R., and Shekhawat, G. S. (2012). Critical review on Tecomella undulata: a medicinally potent endangered plant species of Indian Thar Desert. Int J Curr Res, 4, 36-44.
Leaflet Map in Tab Content

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