Tecomella undulata
| Tecomella undulata | ||||||||||||
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Tecomella undulata in Iran |
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| Systematics | ||||||||||||
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| Scientific name of the genus | ||||||||||||
| Tecomella | ||||||||||||
| Seem. | ||||||||||||
| Scientific name of the species | ||||||||||||
| Tecomella undulata | ||||||||||||
| ( Sm. ) Seem. |
Tecomella undulata is the only species of the Tecomella plant genus withinthe trumpet tree family (Bignoniaceae). The distribution area extends from the Arabian Peninsula to western India .
description
Vegetative characteristics
Tecomella undulata is a mostly semi- evergreen shrub or mostly a small tree that grows to about 5–10 meters high. The grayish bark can be hairy in different ways. The simple and short-stalked leaves are opposite or often in whorls and are eilanzettlich to elongated with a whole, often wavy edge. They are 5–12.5 inches long and up to 3–3.5 inches wide, the petiole is up to 2–3 inches long.
Generative characteristics
The inflorescences standing at the end of short branches are thyrsenic which contain few flowers .
The hermaphroditic, large and stalked flowers are zygomorphic and five-fold with a double flower envelope . The non-durable, bell-shaped calyx ends in five calyx teeth. The five orange petals are tubular to bell-shaped fused and the corolla tube ends in a wide throat. The four fertile stamens protrude beyond the crown. The dust bags are hairless, their counters are apart. A shorter staminodium is formed next to the stamens . The Upper constant ovary is oblong, finely rippled occupied and includes a number of ovules . He stands on a cup-shaped disc . The stylus is long with zweilappiger scar .
The linear, leathery capsule fruits up to 34 centimeters long are slightly four-ribbed and have flat flaps. The seeds are elliptical and have thin wings on both sides.
distribution
Tecomella undulata occurs from southwest Iran to northwest India and Oman .
Systematics
This species was first published in 1804 under the name ( Basionym ) Bignonia undulata by James Edward Smith in Exotic Botany , 1, page 35. The genus Tecomella became Tecomella undulata (Sm.) Seem in 1862 with the new combination . by Berthold Carl Seemann in Annals and Magazine of Natural History, including Zoology, Botany, and Geology. , Series 3, 10, page 30.
literature
- AS Saroya: Controversial Herbal Drugs of Ayurveda. Scientific Pub., 2013, ISBN 978-81-7233-821-3 , pp. 225 f.
- Rajwant K. Kalia, Manoj K. Rai, Ramavtar Sharma & RK Bhat: Understanding Tecomella undulata: an endangered pharmaceutically important timber species of hot arid regions. In: Genetic Resources and Crop Evolution. 61 (7), 2014, pp. 1397-1421, doi: 10.1007 / s10722-014-0140-3 , online at researchgate.net.
- E. Fischer, I. Theisen, LG Lohmann: Bignoniaceae. In: Joachim W. Kadereit (Ed.): The Families and Genera of Vascular Plants . Volume 7: Flowering plants, Dicotyledons. Lamiales (except Acanthaceae including Avicenniaceae) . Springer, Berlin / Heidelberg / New York 2004, ISBN 3-540-40593-3 , pp. 22 (English, limited preview in Google Book search).
Web links
Individual evidence
- ↑ a b Rafaël Govaerts (ed.): Tecomella. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew .