Difference between revisions of "Toxicodendron vernix"
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| + | '''Poison sumac''' (''[[Toxicodendron]]'' ''vernix'' or ''[[Rhus]] vernix'') is a woody [[shrub]] or small tree growing to 7 m (20 ft) tall.<ref name=Keeler>Our Native Trees and How to Identify Them (Keeler)</ref> All parts of the plant contain a resin called [[urushiol]] that causes skin and mucous membrane irritation to humans. When burned, inhalation of the smoke may cause the rash to appear on the lining of the lungs, causing extreme pain and possibly fatal respiratory difficulty. | ||
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| + | Poison sumac is a shrub or small tree, up to 20 feet in height, with 7-13 leaflets per leaf. These are oval to oblong, acuminate, cuneate at the base, undulate, glabrous or slightly pubescent beneath, and are usually 2-4 inch long. Its flowers are greenish, in loose axillary panicles 3-8 inches long. The fruits are subglobose, gray, flattened and 0.2 inches across. | ||
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{{Inc| | {{Inc| | ||
Rhus vernix, Linn. (R. venenata, DC.). Poison Sumac. Poison Elder. Shrub or tree, to 20 ft.: lfts. 7-13, oval to oblong, acuminate, cuneate at base, undulate, glabrous or slightly pubescent beneath usually 2-4 in. long: fls. greenish, in loose axillary panicles 3-8 in. long: fr. subglobose, gray, flattened, 1/5in. across. Swamps, R. I., Ont., and Minn., south to Fla. and La.—Very poisonous: foliage turns to a brilliant scarlet in autumn. | Rhus vernix, Linn. (R. venenata, DC.). Poison Sumac. Poison Elder. Shrub or tree, to 20 ft.: lfts. 7-13, oval to oblong, acuminate, cuneate at base, undulate, glabrous or slightly pubescent beneath usually 2-4 in. long: fls. greenish, in loose axillary panicles 3-8 in. long: fr. subglobose, gray, flattened, 1/5in. across. Swamps, R. I., Ont., and Minn., south to Fla. and La.—Very poisonous: foliage turns to a brilliant scarlet in autumn. | ||
Latest revision as of 18:34, 28 April 2010
| Habit | shrub
| |
|---|---|---|
| Height: | ⇕ | 10 ft"ft" can not be assigned to a declared number type with value 10. |
| Width: | ⇔ | 10 ft"ft" can not be assigned to a declared number type with value 10. |
| Lifespan: | ⌛ | perennial |
| Poisonous: | ☠ | Very poisonous |
| Bloom: | ❀ | early summer, mid summer, late summer |
| Exposure: | ☼ | sun |
|---|---|---|
| Features: | ✓ | deciduous, flowers, fall color |
| USDA Zones: | 3 to 9 | |
| Flower features: | ❀ | orange, yellow |
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vernix > |
Poison sumac (Toxicodendron vernix or Rhus vernix) is a woody shrub or small tree growing to 7 m (20 ft) tall.[1] All parts of the plant contain a resin called urushiol that causes skin and mucous membrane irritation to humans. When burned, inhalation of the smoke may cause the rash to appear on the lining of the lungs, causing extreme pain and possibly fatal respiratory difficulty.
Poison sumac is a shrub or small tree, up to 20 feet in height, with 7-13 leaflets per leaf. These are oval to oblong, acuminate, cuneate at the base, undulate, glabrous or slightly pubescent beneath, and are usually 2-4 inch long. Its flowers are greenish, in loose axillary panicles 3-8 inches long. The fruits are subglobose, gray, flattened and 0.2 inches across.
Read about Toxicodendron vernix in the Standard Cyclopedia of Horticulture
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Rhus vernix, Linn. (R. venenata, DC.). Poison Sumac. Poison Elder. Shrub or tree, to 20 ft.: lfts. 7-13, oval to oblong, acuminate, cuneate at base, undulate, glabrous or slightly pubescent beneath usually 2-4 in. long: fls. greenish, in loose axillary panicles 3-8 in. long: fr. subglobose, gray, flattened, 1/5in. across. Swamps, R. I., Ont., and Minn., south to Fla. and La.—Very poisonous: foliage turns to a brilliant scarlet in autumn.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Toxicodendron vernix. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Toxicodendron vernix QR Code (Size 50, 100, 200, 500)
- ↑ Our Native Trees and How to Identify Them (Keeler)
