Vitex rotundifolia

Vitex rotundifolia

Vitex rotundifolia is a species of the genus Vitex within the mint family ( Lamiaceae). It is most widespread in the temperate and tropical areas of the Pacific region near the coast.

  • 5.1 Notes and references

Description

Appearance and foliage leaf

Vitex rotundifolia grows as a well-branched, deciduous shrub, and usually reaches stature heights of 0.5 to 1 meter. The prostrate to creeping branches form roots at the nodes ( more nodes ). The bark is initially hairy silky woolly.

The constantly against arranged on the branches leaves are sessile to short-stalked and consist of one or rarely three leaf parts. The leaf blade is at a length of 2.5 to 5 cm and a width of 1.5 to 3 cm obovate - spathulate, ovate -elliptic, broadly oblong- elliptical or circular with pointed to rounded Spreitenbasis and abruptly sharpened to a rounded the upper end. The leaf margin is smooth. The lower leaf surface is hairy velvety woolly and the leaf surface is pale dull green and hairy.

Inflorescence, flower and fruit

In China, the flowering period is from July to September. The terminal thyrsenförmigen inflorescences have a length of 3 to 10 cm and a diameter of 1 to 2.5 cm.

The hermaphrodite flowers are zygomorphic and fünfzählig double perianth. The five sepals are fused cup-shaped. The 4-5 mm long calyx is bilabiate with five calyx teeth; he is outside tiny velvety hairy woolly and glandular and inside glabrous. The five purple - mauve to lilac - blue petals are fused salverform. The double lip corolla is also outside tiny velvety hairy woolly and glandular. The corolla tube and the lower half of the large mean Kronlappens the lower lip are hairy inside shaggy. The spherical ovary is glabrous and densely glandular. The four stamens and the style protrude beyond the corolla.

The spherical stone fruit is dark brown when it is dry. The base of the stone fruit is surrounded by the enlarged calyx. In China, the fruits ripen from September to November.

Occurrence

Vitex rotundifolia is widespread throughout much of the temperate and the tropical Pacific region. The area of the species ranges from India eastward to Hawaii and from Korea to south to Australia. The following localities are known: Mauritius, Reunion, Taiwan, the Chinese provinces of Anhui, Fujian, Guangdong, Hebei, Jiangsu, Jiangxi, Liaoning, Shandong, Zhejiang; Japanese provinces Honshu, Kyushu, Ryukyu islands, Shikoku; southern India, including the Andaman and Nicobar Islands, Sri Lanka, Cambodia, Myanmar, Thailand, Vietnam, Indonesia, Malaysia, Papua New Guinea, the Philippines, northern Australia Northern Territory, northern Queensland, northern Western Australia and Hawaii.

Vitex rotundifolia grows on sandy and rocky shores at altitudes between 0 and 15 meters.

Taxonomy

The first publication of Vitex rotundifolia was made in 1781 by Carl Linnaeus the Younger in Supplementum Plantarum, p 294 Vitex rotundifolia Lf synonyms for are: Vitex ovata Thunb, Vitex ovata var subtrisecta Kuntze, Vitex trifolia var ovata ( Thunb. ) Makino, Vitex trifolia var simplicifolia Cham, Vitex trifolia var unifoliolata showers.. .

Use

The medical effects of Vitex rotundifolia were examined.

Bark

Fruits

Swell

  • Shou- liang Chen & Michael G. Gilbert: Verbenaceae in: Vitex, pp. 30 - text ever online such as printed text, In: Wu Zheng -yi and Peter H. Raven (eds.): Flora of China, Volume 17, Science Press & Missouri Botanical Garden Press, Beijing and St. Louis in 1994, ISBN 0-915279-24- X ( section description)
  • Template: Internet resource / maintenance / access date is not in the ISO FormatShyama Pagad. Vitex rotundifolia. Global Invasive Species Database ( GISD ), accessed on last January 30, 2012 (English). ( Description section )
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