Ceratostigma
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Chinese leadwort ( Ceratostigma plumbaginoides ) |
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| Ceratostigma | ||||||||||||
| Bunge |
Ceratostigma , also called hornbill or leadwort , is a genus of plants inthe leadwort family (Plumbaginaceae). Seven of the eight species are common in Asia, only one occurs in East Africa.
description
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Appearance and leaves
Ceratostigma styles are shrubs , half-shrubs or perennial herbaceous plants , which reach usually stature heights of 2 meters. There are species that are straddle climbers . Most of the above-ground parts of the plant are hairy. The alternate, simple leaves are usually hairy and the leaf edges have curved hairs.
Inflorescences, flowers and fruits
In the terminal or lateral, more or less cephalic inflorescences, there are usually two to many spikelets together, each usually containing only one flower. There are herbaceous bracts and two herbaceous bracts under each flower .
The hermaphrodite flowers are five-fold with a double flower envelope . The five hairy sepals are fused together and are still present when the fruit ripens. The five petals are fused with tubes and spread out at the top in a plate-like manner with obovate to obovate to obverse delta-shaped crown lobes. The corolla lobes have bright colors (mostly blue). The stylus is five branches at the top.
There are fruit capsules formed.
Systematics and distribution
The genus Ceratostigma was created in 1833 by Alexander von Bunge with the type species Ceratostigma plumbaginoides Bunge in Enumeratio Plantarum, quas in China boreali collegit , page 55, 1831. A synonym for Ceratostigma Bunge is Valoradia Hochstetter . The genus Ceratostigma belongs to the subfamily Plumbaginoideae in the family Plumbaginaceae .
The areas are in Asia (seven species) and East Africa (only one species). Of the eight or so species, five are found in China.
There are about eight species in the genus Ceratostigma :
- Ceratostigma abyssinicum (Hochst.) Pig. & Ash. : It is common in East Africa in Eritrea, Ethiopia, in Sudan in Somalia and in Kenya.
- Ceratostigma asperrimum Stapf ex Prain : It occurs in Myanmar .
- Ceratostigma griffithii C.B.Clarke : It thrives in Tibet at altitudes of 2200 to 2800 meters and is also found in Bhutan .
- Ceratostigma minus Stapf ex Prain : It thrives at altitudes of 1000 to 4800 meters in Tibet and in the Chinese provinces of Gansu , Sichuan and Yunnan .
- Creeping hornbill , perennial leadwort, Chinese leadwort, gentian leadwort ( Ceratostigma plumbaginoides Bunge , Syn .: Plumbago larpentiae Lindl. ): It occurs in the Chinese provinces of Beijing , Henan , Jiangsu , Shanxi and Zhejiang .
- Ceratostigma stapfianum Hosseus : It is common in South Asia.
- Ceratostigma ulicinum Prain : It occurs in Nepal and thrives in Tibet at altitudes of 3300 to 4500 meters.
- Ceratostigma willmottianum Stapf : It thrives at altitudes of 700 to 3500 meters in Tibet and in the Chinese provinces of Gansu, Guizhou , Sichuan and Yunnan.
photos
Plant population
Flowers on the side
Blossom from above
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swell
- Tse-Hsiang Pen & Rudolf V. Kamelin: Plumbaginaceae : Ceratostigma , p. 192 - online with the same text as the printed work , In: Wu Zheng-yi & Peter H. Raven (eds.): Flora of China , Volume 15 - Myrsinaceae through Loganiaceae , Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 1996. ISBN 0-915279-37-1 (Sections Description, Distribution and Systematics)
Individual evidence
- ↑ Ceratostigma at Tropicos.org. Missouri Botanical Garden, St. Louis
- ^ A b c Ceratostigma in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
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