Frangula
| Frangula | |
|---|---|
| File:Rhamnus frangula.jpg | |
| Frangula alnus | |
| Scientific classification Edit this classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rhamnaceae |
| Tribe: | Rhamneae |
| Genus: | Frangula Mill. |
| Species | |
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See text | |
Frangula is a genus of about 35 species of flowering shrubs or small trees, commonly known as alder buckthorn in the buckthorn family Rhamnaceae.[1] The common name buckthorn is also used to describe species of the genus Rhamnus in the same family and also sea-buckthorn, Hippophae rhamnoides in the Elaeagnaceae.
Description
[edit | edit source]Frangula is a genus of deciduous shrubs with alternate, simple leaves with stipules, buds without bud scales, branches without spines and flowers with five petals and undivided styles. The fruits are 2 to 4-seeded berries.[2]: 279
Selected species include:
- Frangula alnus – alder buckthorn, glossy buckthorn, breaking buckthorn, black dogwood
- Frangula azorica
- Frangula betulifolia – birchleaf buckthorn
- Frangula californica – California buckthorn, coffeeberry
- Frangula caroliniana – Carolina buckthorn, Indian cherry (synonym Rhamnus caroliniana)
- Frangula purshiana – cascara buckthorn (synonym Rhamnus purshiana)
- Frangula rubra – red buckthorn
The European species, alder buckthorn (Frangula alnus) was of major military importance in the 15th to 19th centuries, as its wood provided the best quality charcoal for gunpowder manufacture.[3]
References
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