Salix chikungensis
| Salix chikungensis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Salix chikungensis | ||||||||||||
| CK cutting |
Salix chikungensis is a shrub from the genus of the willow ( Salix ) with tomentose hairy and later balding branches. The leaf blades have lengths of 6 to 8.5 centimeters. The natural range of the species is in China.
description
Salix chikungensis is a shrub with dark brown twigs that are initially tomentose and later bald. The buds are yellowish brown, egg-shaped and glabrous. The leaves have decrepit stipules and a petiole about 8 millimeters long. The leaf blade is elliptical, elliptical-lanceolate, oblong obscure-lanceolate or ovate-lanceolate, 6 to 8.5 centimeters long and 1.5 to 2 centimeters wide, short acuminate or pointed, with a wedge-shaped to broadly wedge-shaped base and sawn leaf margin. The upper side of the leaf is dull green, initially finely hairy and later balding, the underside is glaucous , initially thickly hairy and silky and also balding.
The male inflorescences are 2.4 to 2.7 centimeters long catkins . The inflorescence stalk is 5 to 6 millimeters long, the inflorescence axis is hairy tomentose. The bracts are brownish, ovate-lanceolate or ovate-oblong, about 2.5 millimeters long, finely hairy on both sides and with a blunt tip. Male flowers have an adaxial and an abaxial nectar gland . The two free stamens have stamens about 4 millimeters long and downy-haired at the base. Female kittens are few-flowered, cylindrical, thin, 3 to 4 inches long with a diameter of 8 millimeters. The inflorescence stalk is rarely from 2.5, usually 3 to 4 inches long and has three to five leaves. The bracts are brownish, triangular-lanceolate, 1.5 to 2 millimeters long and pointed. The upper side is hairy down, the underside almost glabrous or finely hairy at the base. Female flowers have a broadly ovate or blunt adaxial gland and a small abaxial. The ovary is 2.3 to 3 millimeters long, glabrous and stalked about 0.5 millimeters long. The stylus and the scar are short. Egg-shaped-elliptical capsules are formed as fruits . Salix chikungensis blooms in April and May, the fruits ripen from May to June.
Occurrence
The natural range is in the Chinese provinces of Henan and Jiangxi . Salix chikungensis grows along rivers at altitudes of 1500 to 2500 meters.
Systematics
Salix chikungensis is a kind from the kind of willow ( Salix ), in the family of the pasture plants (Salicaceae). There it is assigned to the Salix section . It was first scientifically described in 1920 by Camillo Karl Schneider . The generic name Salix comes from Latin and was already used by the Romans for various types of willow.
proof
literature
- 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. 181, 184 (English).
- Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Nikol, Hamburg 2005, ISBN 3-937872-16-7 , p. 552 (reprint from 1996).
Individual evidence
- ↑ a b c d e Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix chikungensis , in the Flora of China , Volume 4, p. 184
- ↑ Cheng-fu Fang, Shi-dong Zhao, Alexei K. Skvortsov: Salix Sect. Salix , in the Flora of China , Volume 4, p. 181
- ↑ Exactly: Etymological Dictionary of Botanical Plant Names , p. 552
Web links
- Salix chikungensis . In:The Plant List. Retrieved September 25, 2012.