Large-leaved stone slice

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Large-leaved stone slice
Large-leaved stone yew (Podocarpus macrophyllus), leaves

Large-leaved stone yew ( Podocarpus macrophyllus ), leaves

Systematics
Subdivision : Seed plants (Spermatophytina)
Class : Coniferopsida
Order : Conifers (Coniferales)
Family : Stonecaceae (Podocarpaceae)
Genre : Stone slices ( Podocarpus )
Type : Large-leaved stone slice
Scientific name
Podocarpus macrophyllus
( Thunb. ) Sweet

The large-leaved stone yew ( Podocarpus macrophyllus ) is a type of plant from the genus of stone yew ( Podocarpus ) within the family of stone yew plants (Podocarpaceae).

description

Leaves and seeds enclosed by the aril
With male inflorescences
Illustration of a female specimen
Illustration of a male specimen

Vegetative characteristics

The large-leaved stone disk is an evergreen , small to medium-sized tree that can reach heights of growth of 5 to 20 meters and trunk diameters of up to 60 centimeters. The leaves are striped and 6 to 12 inches long and about 1 inch wide; the raised central rib is striking.

Generative characteristics

Podocarpus macrophyllus is dioecious separately sexed ( dioecious ). The flowering period in China extends from April to May. By a Arillus coated seeds ripen from August to October and then 1 to 2 centimeters long.

ecology

The seeds are spread by birds . The aril is edible, whereas consuming the seeds themselves is not recommended.

Occurrence

Podocarpus macrophyllus is the furthest north-penetrating species of the genus Podocarpus . Podocarpus macrophyllus is native to southern Japan and southern China . It occurs at altitudes from 0 to 1000 meters.

Systematics

It was first published in 1784 by Carl Peter Thunberg under the name ( Basionym ) Taxus macrophylla in Johan Andreas Murray : Caroli à Linné equitis Systema vegetabilium ... , 14th edition, page 895. The new combination to Podocarpus macrophyllus was made in 1818 by Robert Sweet in Hortus suburbanus Londinensis , published 211.

The following varieties of Podocarpus macrophyllus have been described:

  • Podocarpus macrophyllus var. Angustifolius flower : It occurs in Japan and in the Chinese provinces of Guizhou , Jiangxi and Sichuan .
  • Podocarpus macrophyllus var. Chingii N.E. Gray (Syn .: Podocarpus chingianus S.Y.Hu ): It occurs in the Chinese provinces of Jiangsu , Zhejiang and perhaps in Sichuan.
  • Podocarpus macrophyllus (Thunb.) Sweet var. Macrophyllus (Syn .: Taxus Makoya Forbes , Podocarpus canaliculatus Carrière , Podocarpus longifolia Gordon & Glend. , Podocarpus verticillatus Lindl. , Podocarpus macrophyllus subsp. Angustifolius (flower) Silba , Podocarpus macrophyllus subsp. Piliramulus ( Zhi X.Chen & Zhen Q.Li) Silba , Podocarpus macrophyllus var. Albovariegatus Pilg. , Podocarpus macrophyllus var. Luteovariegatus Pilg. , Podocarpus macrophyllus var. Rubra Carrière ): It occurs in Japan and the Chinese provinces of Anhui , Fujian , Guangdong , Guangxi , Guizhou, Hubei , Hunan , Jiangsu , Jiangxi, Sichuan, Yunnan and Zhejiang.
  • Podocarpus macrophyllus var. Maki Siebold & Zucc. : It is cultivated in many areas. It may be found in Japan, northern Myanmar, Taiwan, Guangdong, and Zhejiang.
  • Podocarpus macrophyllus var. Piliramulus Z.X.Chen & ZQLi : It was first described in 1989. It has only been found on the roadside in Zhushan Xian in northwestern Hubei.

use

It is a relatively popular ornamental and hedge plant in southeastern North America .

swell

Individual evidence

  1. a b Podocarpus macrophyllus at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed May 15, 2019.
  2. a b c d e f Liguo Fu, Yong Li, Robert R. Mill: Podocarpus macrophyllus . In: Wu Zheng-yi, Peter H. Raven (Ed.): Flora of China . Volume 4: Cycadaceae through Fagaceae . Science Press / Missouri Botanical Garden Press, Beijing / St. Louis 1999, ISBN 0-915279-70-3 , pp. 83 (English).

Web links

Commons : Large-leaved stone pulp ( Podocarpus macrophyllus )  - Collection of images, videos and audio files