Sinojackia
| Sinojackia | ||||||||||||
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Sinojackia rehderiana |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Sinojackia | ||||||||||||
| Hu |
Sinojackia is a plant genus of the family of styracaceae (Styracaceae). Eight species have been described, all of which are native to China.
description
All species are deciduous shrubs or trees . The branches are covered with thorns .
The leaves are alternate on the branches. They develop in spring from bare winter buds that are not provided with scales. The leaves are not compound or lobed, the leaf margin is serrated. Stipules are absent.
A few flowers stand together in mostly hanging, racemose inflorescences . The individual flower stalks are long and thin, the bracts soon fall off. The hermaphroditic flowers are radial symmetry . The sepals are fused into a four- to seven-lobed tube. The white petals are also fused at the base. Eight to fourteen stamens stand in a stamen circle. The lower ovary merges into a long stylus that protrudes over the stamens and ends in an indistinct three-lobed stigma .
The fruits consist of a fleshy outer layer ( exocarp ), a hard inner layer ( endocarp ) and the spongy mesocarp in between . Each fruit contains a seed.
species
The following types have been described:
- Sinojackia henryi (stupid) Merrill : It is found in northern Guangdong, southern Hubei, Hunan, and Sichuan.
- Sinojackia huangmeiensis J.W.Ge & XHYao : It occurs in Hubei.
- Sinojackia microcarpa C.T.Chen & GYLi : It occurs in Zhejiang.
- Sinojackia oblongicarpa C.T.Chen & TRCao : It occurs in Hunan.
- Sinojackia rehderiana Hu : It occurs in northern Guangdong, southern Hunan and Jiangxi.
- Sinojackia sarcocarpa L.Q.Lou : It occurs in Sichuan.
- Sinojackia xylocarpa Hu : It occurs in Jiangsu.
The species Sinojackia dolichocarpa C.J.Qi is also placed in its own genus Changiostyrax .
literature
- Shumei Huang, James W. Grimes (1996): Styracaceae . In: Wu, ZY, Raven, PH (Ed.): Flora of China . 15: 267ff. Missouri Botanical Garden Press, St. Louis. Online, accessed November 13, 2007
- Chen Tao, Li Gen-you (1997): A New Species of Sinojackia Hu (Styracaceae) from Zhejiang, East China . Novon 7 (4): 350-352. Online, accessed November 13, 2007
Individual evidence
- ↑ a b c d e f g Shumei Huang & James W. Grimes: Sinojackia Hu - the same text online as the printed work , In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (eds.): Flora of China. Volume 15: Styracaceae. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis 2010
