Contains 5 accepted taxa overall.
Characteristics
Classification
Citation
LYONIA Nuttall, Gen. N. Amer. Pl. 1: 266. 1818, nom. cons. vs. Lyonia Rafinesque 1808, et non Lyonia Elliott 1817.
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                    TYPE: Lyonia ferruginea (Walter) Nuttall (Andromeda ferruginea Walter) Lectotypified by Lanjouw et al., Internatl. Code Bot. Nomencl. 261. 1956.
                    Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos | 
|---|---|---|---|---|
| Lyonia ferruginea | RUSTY STAGGERBUSH | Native FACU (NWPL) | ||
| Lyonia fruticosa | COASTALPLAIN STAGGERBUSH | Native FACW (NWPL) | ||
| Lyonia ligustrina var. foliosiflora | MALEBERRY | Native FACW (NWPL) T (WAP) FAC (DEP) | ||
| Lyonia lucida | FETTERBUSH | Native FACW (NWPL) T (WAP) FACW (DEP) | ||
| Lyonia mariana | PIEDMONT STAGGERBUSH | Native FAC (NWPL) FACW (DEP) | 
[Family identification key]
                            
                                1.  Leaf blade lower surface, pedicels, and calyx ferrugineous-lepidote 
                            
                        
                        
                        
                                2
                        
                    
                            
                                1.  Leaf blade lower surface, pedicels, and calyx glabrous to hairy, not lepidote 
                            
                        
                        
                        
                                3
                        
                    
                            
                                2.  Irregular shrub or tree to 6(12) m tall, with branches often spreading; leaf blades not reduced in size or only slightly so towards the inflorescence apex, the blade usually revolute, the secondary veins often impressed; flowers mostly restricted to stem of previous year 
                            
                        
                        
                        
                    
                            
                                2.  Shrub to 2(3) m tall, with branches often strict to ascending; leaf blades reduced in size towards the inflorescence apex, the blade not revolute or only slightly so, the secondary veins usually not noticeably impressed; flowers frequent on current year’s shoot and some on stem of previous year 
                            
                        
                        
                        
                    
                            
                                3.  Leaf blade margins serrulate (sometimes obscurely so); calyx lobes 0.5-1.5 mm long; corolla about as wide as long, 2-4(4.5) mm long; fruit subglobose 
                            
                        
                        
                        
                    
                            
                                3.  Leaf blade margins entire; calyx lobes 2-9.5 mm long; corollas longer than wide, 5-14 mm long; fruit ovoid to ovoid-globose 
                            
                        
                        
                        
                                4
                        
                    
                            
                                4.  Leaf blade persistent, stiffly coriaceous, lower surface with obscure or faint venation, the margin revolute; corolla 2-5 mm wide, subtly conic, flared at the base, white, pink, to red; filaments roughened; sepals usually persistent with fruit 
                            
                        
                        
                        
                    
                            
                                4.  Leaf blade deciduous, membranous, lower surface with conspicuous secondary and reticulate venation, the margin not revolute or scarcely so; corolla 4-9 mm wide, broadly cylindric, not flared at the base, white, rarely pink; filaments hairy; sepals deciduous, usually absent from fruit 
                            
                        
                        
                        
                    Genus Synonyms
| Synonym | Full Citation | Basionym | Type | 
|---|---|---|---|
| Arsenococcus | Arsenococcus Small, in Small & J. J. Carter, Fl. Lancaster Co. 218, 319. 1913. | TYPE: Arsenococcus ligustrinus (Linnaeus) Small (Vaccinium ligustrinum Linnaeus) | |
| Desmothamnus | Desmothamnus Small, Shrubs Florida 96, 113. 1913. | TYPE: Desmothamnus nitidus (Bartram) (Andromeda nitida Bartram) | |
| Neopieris | Neopieris Britton, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 690. 1913. | TYPE: Neopieris mariana (Linnaeus) Britton (Andromeda mariana Linnaeus) | |
| Xolisma | Xolisma Rafinesque, Amer. Monthly Mag. & Crit. Rev. 4: 193. 1819. | TYPE: = Lyonia Nuttall 1818. |