Israel wildflowers: Bladder-senna
Colutea istria, Bladder-senna,
קרקש צהוב
| Scientific name: | Colutea istria Miller | |
| Common name: | Bladder-senna | |
| Hebrew name: | קרקש צהוב | |
| Plant Family: | Papilionaceae, פרפרניים |
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| Life form: | Phanerophyte, shrub | |
| Stems: | Ultimate height of 3m; rounded shrub | |
| Leaves: | Deciduous; alternate, compound, pinnate | |
| Flowers: | Papilionaceous shaped; yellow | |
| Fruits / pods: | Green; pod inflated, closed at the apex, bladder-like, many-seeded | |
| Flowering Period: | March, April | |
| Habitat: | Hard rock outcrops and wadis in shrub-steppes | |
| Distribution: | Mediterranean Woodlands and Shrublands, Semi-steppe shrublands, Shrub-steppes | |
| Chorotype: | Irano-Turanian | |
| Summer shedding: | Perennating |
 Derivation of the botanical name: Colutea, from koloutea, an ancient name for Bladder senna. istria, Ιστρια.
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