1 "Lateral flowers of each cymule male, central flower bisexual" 2 1 "All 3 flowers of each cymule bisexual or female" 5 2 "Articles of branchlets 5 mm diam. or more when fresh, terminated by prominent, spur-like lobes" "Tecticornia triandra" 2 "Articles of branchlets to c. 3 mm diam. when fresh, truncate at apex or with obtuse, shortly spreading lobes" 3 3 "Perianth succulent; style hard and protruding in fruit (especially when dry); coastal or near-coastal" "Tecticornia arbuscula" 3 "Perianth membranous; style not protruding; inland" 4 4 "Articles of ultimate branchlets obovoid, mostly c. 5 mm long; fruiting articles dry and pithy; pericarp crustaceous, not embedded in woody axis" "Tecticornia moniliformis" 4 "Articles of ultimate branchlets ± cylindric, mostly c. 10 mm long; fruiting articles thick and woody; pericarp woody and embedded in woody axis" "Tecticornia tenuis" 5 "Seed white to pale fawn, with concentric rows of prominent, corrugated fins" "Tecticornia pterygosperma" 5 "Seed brown to black, tuberculate to granular" 6 6 "Opposite bracts of inflorescence not united; articles of ultimate branches 5–10 mm long" "Tecticornia flabelliformis" 6 "Opposite bracts of inflorescence united; articles of ultimate branches to c. 7 mm long (rarely longer in H. pruinosa and H. indica)" 7 7 "Apex of perianth rounded to truncate" 8 7 "Apex of perianth acute, dorsinventrally flattened" 11 8 "Branches and spikes very slender, smooth in outline (resembling branchlets of Casuarinaceae spp.)" "Tecticornia lylei" 8 "Branches and spikes undulate in outline" 9 9 "Seed dark reddish-brown to black, covered all over with concentric, horseshoe-shaped, tuberculate ridges" "Tecticornia pergranulata" 9 "Seed brown, tuberculate or minutely papillate on dorsal ridge, indistinctly patterned on sides" 10 10 "Flowers fused together and to upperbract; dorsal ridge of seeds with rows of concentric horseshoe-shaped tubercules" "Tecticornia sp. (Connewarre)" 10 "Flowers free; dorsal ridge of seeds with rows of loose papillae or minute tubercules" "Tecticornia halocnemoides" 11 "Vegetative growth continuing through and beyond spikes; fruitlets united" "Tecticornia syncarpa" 11 "Spikes terminating branches; fruitlets free" 12 12 "Articles with shortly acuminate lobes, shining; flowering and fruiting spikes rather loose, bracts of fruiting spike shrivelling with age" "Tecticornia nitida" 12 "Articles with obtuse or broadly acute lobes, dull; flowering and fruiting spikes dense; bracts of fruiting spike not shrivelling, the latter rather barrel-shaped and firmly spongy throughout" 13 13 "Pericarp hard and persistent, completely enclosing seed; margins of bracts often minutely ciliate" "Tecticornia indica" 13 "Pericarp hardened near apex, but membranous or absent near base; margins of bracts entire" "Tecticornia pruinosa"