Platycrater arguta

Platycrater arguta
Platycrater arguta
Systematics
Nuclear eudicotyledons Asterids Order : Dogwood-like (Cornales) Family : Hydrangea family (Hydrangeaceae) Genre : Platycrater Type : Platycrater arguta
Scientific name of the  genus
Platycrater
Siebold & Zucc.
Scientific name of the  species
Platycrater arguta
Siebold & Zucc.

Arguta Platycrater is a plant from the family of hydrangeaceae (Hydrangeaceae), and the only type of genus Platycrater .

description

Platycrater arguta is a deciduous shrub . The stalked leaves are serrated on the edge.

The inflorescences are zymous panicles or dichasial cymes. Some of the flowers are sterile, they are three to four, rarely two to five lobes. In the actual flowers, four sepals are folded over one another. The four petals, which are also arranged in a flap, are egg-shaped, white and lapse at the time of fruiting.

The stamens of the more than 200 stamens are thread-like, the stylodes are not grown, the stigmas are terminal. The medium-sized ovary is two to vierfächrig, the ovules are non-uniformly disposed. The fruit is a capsule that opens at the extreme end between the pistils to release the numerous, 1.0 to 1.5 millimeter long, spindle-shaped, winged seeds.

The number of chromosomes is 2n = 34.

distribution

The species occurs in Japan and in Anhui , Fujian , Jiangxi and Zhejiang .

Botanical history and systematics

The genus and species were first described in 1835 by Philipp Franz von Siebold and Joseph Gerhard Zuccarini in their Flora Japonica . Within the family it is placed in the subfamily Hydrangeoideae and there in the tribe Hydrangeae.

literature

• L. Hufford: Hydrangeaceae. In: Klaus Kubitzki (Ed.): The Families and Genera of Vascular Plants, Volume VI, Flowering Plants - Dicotyledons - Celastrales, Oxalidales, Rosales, Cornales, Ericales , 2004, p. 213, ISBN 978-3-540-06512- 8th

Individual evidence

1. ^ Platycrater arguta at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
2. ↑ Wei Zhaofen (Wei Chao-fen); Bruce Bartholomew: Platycrater Siebold & Zuccarini - the same text online as the printed work , In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (eds.): Flora of China. Volume 8: Saxifragaceae. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis 2010

Web links

Commons : Platycrater arguta  - collection of images, videos and audio files