Tropicals, Woody > Senna > Senna siamea > Senna siamea
Senna siamea
Cassia Tree, Iron Wood Tree, Kassod Tree, Siamese Cassia, Siamese Senna
Origin: Southeast Asia including Myanmar, Thailand, Malaysia, Cambodia, Laos, and Vietnam.
| Family |
| Fabaceae |
| Genus |
| Senna |
| Species |
| siamea |
| Category |
| Tropicals, Woody |
| Type |
| Tree (deciduous) |
| Synonyms |
| Cassia arayatensis, Cassia arborea, Cassia florida, Cassia gigantea, Cassia siamea, Cassia sumatrana, Cassia sumatrana, Chamaefistula gigantea, Sciacassia siamea, Sciacassia siamea |
| USDA Hardiness Zone |
| 11 |
| Canadian Hardiness Zone |
| Requires cold season protection under glass. |
| RHS Hardiness Zone |
| H1c |
| Temperature (°C) |
| Above 4.5 |
| Temperature (°F) |
| 40 |
| Height |
| 9-12 m |
| Spread |
| 6-9 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| A medium-size, tree with a crown that is usually dense and rounded when young, later becoming irregular and spreading with drooping branches. |
| Landscape |
| It is used as an ornamental and planted along the sides of roads, shade tree, and windbreak. |
| Cultivation |
| Grow in rich, medium moisture, well-drained soils in full sun to part shade. |
| Shape |
| Irregular and spreading with drooping branches. |
| Growth |
| Fast |
| ID Characteristic |
| This plant is attractive to bees, butterflies and birds. |
| Habitat |
| Various types of forests at low elevations, and in secondary forest formations on the plains. |
| Bark/Stem Description |
| An erect and slender stem up to 30 cm in diameter. |
| Leaf Description |
| Leaves are alternate, pinnately compound, with slender, green-reddish, tinged axis and 6 to 12 pairs of leaflets on short stalks, rounded at both ends. |
| Flower Description |
| Bright yellow flowers. |
| Notable Specimens |
| Harry P. Leu Gardens, Orlando, Florida, United States of America. |
| Propagation |
| By woody stem cuttings, and seed. |
| Ethnobotanical Uses (Disclaimer) |
| The plant that is particularly useful for its high quality firewood. It is widely cultivated in the tropics both for this and for its many uses in agroforestry systems. |
References
Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-06-06.
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