Bladder bushes
| Bladder bushes | ||||||||||||
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Bladder bush ( Colutea arborescens ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Colutea | ||||||||||||
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The colutea ( Colutea ) are a genus in the subfamily of the Pea family (Faboideae) within the family of legumes (Fabaceae). The genus includes 26 species .
description
Bubble shrubs are deciduous shrubs or small trees . Some species have thorns. The alternate leaves are pinnate unpaired. The opposite leaflets are entire.
The racemose inflorescences contain small bracts . The zygomorphic flowers are five-fold. The five sepals are fused. Of the five calyx teeth, the two upper ones are slightly shorter. The petals are pale yellow to orange in color. Nine of the ten stamens have grown together. The stalked ovary contains many ovules . The curved stylus ends in a large scar . Characteristic for this genus are the bubble-like, paper-like legumes . They contain a lot of seeds .
distribution
Most of the representatives of this genus are native to West and Central Asia. A few have their original range in China , the Mediterranean region and North Africa .
The best known species of this genus is the fast-growing bladder shrub ( Colutea arborescens ), which is occasionally planted as an ornamental shrub.
Systematics
Within the genus Colutea there are 26 species. The following system is based on the revision of the genre by K. Browicz (1963), quoted from Castillo (2002):
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Colutea section
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Section Multiflorae Browicz
Section Rostratae Browicz
Armatae Section
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swell
- SI Ali: Papilionaceae in Flora of Pakistan , p. 91: Colutea - Online.
- Javier Hornero del Castillo: Aspectos taxonómicos en el género Colutea (Fabaceae) (PDF file; 10.82 MB) . Tesis de la Universidad Complutense de Madrid, Facultad de Ciencias Biológicas, Departamento de Biología Vegetal I (Botánica y Fisiología Vegetal). 2002.
