Ceratostigma

Chinese Plumbago ( Cerato plumbaginoides )

Cerato stigma, also called Horn scar or Plumbago is a genus of flowering plants in the family of Plumbago plants ( Plumbaginaceae ). Seven of the eight species are common in Asia, only one is found in East Africa.

  • 4.1 Notes and references

Description

Appearance and leaves

There are shrubs, subshrubs or perennial herbaceous plants, usually reaching the plant height of 2 meters. There are types that are scramblers. Most all aboveground plant parts are hairy. The alternate, simple leaves are usually hairy and the leaf margins have incurved hairs.

Inflorescences, flowers and fruits

In the terminal or lateral, more or less capitate inflorescences usually two stand together to many spikelets, which usually contain only one bloom. There are herbaceous bracts under each flower and two herbaceous cover sheets available.

The hermaphrodite flowers are fünfzählig double perianth. The five hairy sepals are fused Roehrig and also during ripening of fruits available. The five petals are fused Roehrig and spread dished up with wrong - wrong - ovate to deltoid corolla lobes. The corolla lobes have bright colors (usually blue). The stylus is above fünfästig.

Are formed capsule fruits.

Systematics and distribution

The genus Cerato stigma was built in 1833 by Alexander von Bunge plumbaginoides with the type species Ceratostigma Bunge in Enumeratio Plantarum, quas in China Boreali collegit, page 55, 1831st A synonym for Ceratostigma Bunge is Valoradia Hochstetter. The genus belongs to the subfamily Ceratostigma Plumbaginoideae in the family Plumbaginaceae.

The areas are in Asia ( seven species) and East Africa ( only one type ). Five of the eight species occur in China.

There are about eight species in the genus Cerato stigma:

  • Ceratostigma asperrimum Stapf ex Prain: It occurs in Myanmar.
  • Ceratostigma griffithii CBClarke: It thrives in Xizang at altitudes from 2200 to 2800 meters and is also found in Bhutan.
  • Ceratostigma minus Stapf ex Prain: It grows at altitudes 1000-4800 meters in the Chinese provinces of Gansu, Sichuan, Xizang and Yunnan.
  • Crawling Horn scar perennial plumbago, Chinese Plumbago, Plumbago Gentian ( Cerato 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 Xizang at altitudes 3300-4500 meters.
  • Cerato willmottianum Stapf: It grows at altitudes 700-3500 m in the Chinese provinces of Gansu, Guizhou, Sichuan, Xizang and Yunnan.

Pictures

Cerato plumbaginoides:

Flower side

Flower from above

Swell

  • Tse- Hsiang Pen & Rudolf V. camel: Plumbaginaceae: Cerato stigma, pp. 192 - text the same online as printed work, In: Wu Zheng -yi and 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)
Leadwort Perennial plant Range (biology) Agricultural Research Service
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