Contains 9 accepted taxa overall.
Characteristics
Classification
Citation
LECHEA Linnaeus, Sp. Pl. 90. 1753.
                    -
                    TYPE: Lechea minor Linnaeus 1753.   Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 542. 1913.
                    Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos | 
|---|---|---|---|---|
| Lechea cernua | NODDING PINWEED; SCRUB PINWEED | Native Endemic Threatened-State | ||
| Lechea deckertii | DECKERT'S PINWEED | Native | ||
| Lechea divaricata | DRYSAND PINWEED; SPREADING PINWEED | Native Endemic Endangered-State | ||
| Lechea lakelae | LAKELA'S PINWEED | Native Endemic Endangered-State | ||
| Lechea minor | THYMELEAF PINWEED | Native | ||
| Lechea mucronata | HAIRY PINWEED | Native | ||
| Lechea pulchella var. ramosissima | LEGGETT'S PINWEED | Native | ||
| Lechea sessiliflora | PINELAND PINWEED | Native | ||
| Lechea torreyi | PIEDMONT PINWEED | Native FACU (NWPL) | 
[Family identification key]
                            
                                1.  Mature stems villous with spreading hairs 
                            
                        
                        
                        
                                2
                        
                    
                            
                                1.  Mature stems glabrous to strigose or sericeous, the hairs mostly appressed (young stems sometimes villous in L. cernua) 
                            
                        
                        
                        
                                3
                        
                    
                            
                                2.  Leaves <1 cm long; sepals uniformly pubescent, the inner broad sepals not bowed or only slightly so; fruit ellipsoid, indehiscent,  distinctly exserted from calyx (longer than sepals), usually 1-seeded 
                            
                        
                        
                        
                    
                            
                                2.  Leaves often >1.5 cm long; sepals sparsely pubescent along midvein to glabrous, the inner broad sepals distinctly U- or V-shaped in cross-section; fruit subglobose, splitting into 3 valves, subequal to calyx, usually with 2-4 seeds 
                            
                        
                        
                        
                    
                            
                                3.  Outer slender sepals subequal to longer than the broad inner sepals; calyx glabrous to strigose, the surface visible 
                            
                        
                        
                        
                                4
                        
                    
                            
                                3.  Outer slender sepals shorter than the broad inner sepals; calyx glabrous to strigose, the surface visible, or densely cinereous and the surface occluded (L. torreyi) 
                            
                        
                        
                        
                                5
                        
                    
                            
                                4.  Leaves usually >1.5 mm wide; outer slender sepals distinctly longer than the inner broad sepals and often subequal to mature capsule; mature capsule brownish (stigma remnants obscure) 
                            
                        
                        
                        
                    
                            
                                4.  Leaves usually <1.5 mm wide; outer slender sepals subequal to the inner broad sepals and shorter than mature capsule; mature capsule usually straw-colored (stigma remnants conspicuous) 
                            
                        
                        
                        
                    
                            
                                5.  Leaves sparsely to densely sericeous or strigose on both surfaces; flowers in fascicles of 2-3, or some solitary 
                            
                        
                        
                        
                    
                            
                                5.  Leaves glabrous on the upper surface, variously pubescent to glabrous on the lower surface; flowers solitary 
                            
                        
                        
                        
                                6
                        
                    
                            
                                6.  Leaves (10)15-30 m long, with an indurate, callous tip (ca. 0.25 mm long) 
                            
                        
                        
                        
                    
                            
                                6.  Leaves to 10 mm long (rarely to 20 mm long), lacking an indurate, callous tip 
                            
                        
                        
                        
                                7
                        
                    
                            
                                7.  Stems woody at base; sepals spreading in fruit; fruit subglobose and strongly exserted (1/3–1/2 of length) 
                            
                        
                        
                        
                    
                            
                                7.  Stems mostly herbaceous to slightly woody; sepals not spreading in fruit or only slightly so; fruit cylindric to ovoid and included to slightly exserted 
                            
                        
                        
                        
                                8
                        
                    
                            
                                8.  Stems, leaves, and calyx glabrous; mature fruit slightly exceeding inner sepals 
                            
                        
                        
                        
                    
                            
                                8.  Stems and leaves at least partly sericeous, strigose, or pilose, the calyx usually densely cinereous, the surface occluded; mature fruit subequal to shorter than the inner sepals 
                            
                        
                        
                        
                    Genus Synonyms
| Synonym | Full Citation | Basionym | Type | 
|---|---|---|---|
| Lechidium | Lechidium Spach, in Hooker, Companion Bot. Mag. 2: 286. 1837. | TYPE: Lechidium drummondii Spach 1837. |