Cercis siliquastrum
| Judas tree | |
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| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Genus: | Cercis |
| Species: | C. siliquastrum |
| Binomial name | |
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Cercis siliquastrum L. |
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| Synonyms | |
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Cercis siliquastrum, commonly known as the Judas tree or Judas-tree, is a small deciduous tree from Southern Europe and Western Asia which is noted for its prolific display of deep pink flowers in spring.
This species forms a small tree up to 12 m (39 ft) in height and 10 m (32 ft) in width.
The deep pink flowers are produced on year-old or older growth, including the trunk, in late spring. Also, the flowers display a blossom with five free petals and fused sepals. This shape is specific to the Fabaceae. The leaves appear shortly after the first flowers emerge. These are cordate with a blunt apex, which occasionally has a shallow notch at the tip. The tree produces long flat pods that hang vertically. The flowers are edible and purportedly have a sweet-acid taste.
The species was first described by Linnaeus in 1753 and he gave it the specific epithet of siliquastrum which is derived from the Latin word siliqua, meaning "pod". The generic name comes from the Greek kerkis, a "shuttle", which refers to the resemblance shown to this weaver's tool by the flat, woody seedpods.
There are several varieties and subspecies and these include:
The flowers are pollinated by bees, attracted by nectar. Pollen from the protuding stamens is deposited on the bee's body and carried to another flower's stigma.
In Israel the tree has a status of a protected plant.
The species prefers deep, well-drained soils and a position in full sun or partial shade. This plant has gained the Royal Horticultural Society's Award of Garden Merit.
Cultivars include:
The tree is susceptible to leafhoppers, scale insects and psyllids (specifically Cacopsylla pulchella) as well as diseases including canker, coral spot and verticillium wilt.
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Wikipedia