1 "Leaves with only 1 main longitudinal vein." 2 1 "Leaves with 3–7 main longitudinal veins." 3 2 "Leaves alternate, broad, more than 20 mm long; flowers 5-merous." Gaultheria 2 "Leaves whorled, linear, less than 10 mm long; flowers 4-merous." Erica 3 "Stems with annular leaf scars." 4 3 "Stems without annular leaf scars." 5 4 "Corolla ovoid or conical, forming a 'cap' that splits near the base and is shed as the anthers expand, lobes not opening." Richea 4 "Corolla with broad cylindrical or campanulate tube, the lobes spreading or recurved." Dracophyllum 5 "Leaves sheathing." Sprengelia 5 "Leaves not sheathing." 6 6 "Style inserted in depression at apex of ovary; fruit a loculicidal capsule." 7 6 "Style attenuate from the ovary, fruit a drupe or sometimes the endocarp separating into pyrenes." 10 7 "Corolla lobes contorted in bud." Woollsia 7 "Corolla lobes imbricate but not contorted in bud." 8 8 "Filaments inserted at base of corolla tube; anthers converging around the style, dehiscing by apical slit." Rupicola 8 "Filaments inserted in throat; anthers erect or spreading, dehiscing longitudinally." 9 9 "Filaments shorter than anthers; anthers versatile, attached to filament about the middle." Epacris 9 "Filaments longer than anthers; anthers fused to upper part of filament." Budawangia 10 "Corolla lobes valvate in bud." 11 10 "Corolla lobes basally or apically imbricate in bud." 18 11 "Anthers on long filaments, well exserted from the tube; corolla lobes revolute." Styphelia 11 "Anthers on short filaments, just exserted or partly or wholly enclosed in tube; lobes erect to spreading." 12 12 "Corolla tube with hairs or scales inside below the middle." 13 12 "Corolla tube glabrous below the middle." 14 13 "Corolla tube short and broad; lobes spreading; 5 glandular scales present near base of tube." Melichrus 13 "Corolla tube elongated, cylindrical; lobes erect at base, spreading above; 5 tufts of hairs or ciliate scales inside, sometimes confluent in a ring, rarely glabrous." Astroloma 14 "Flowers pedicellate, the subtending bract and bracteoles inserted some distance from the calyx." Lissanthe 14 "Flowers sessile, the subtending bracts and bracteoles inserted immediately below the calyx." 15 15 "Drupaceous fruit with endocarp separating into pyrenes." Pentachondra 15 "Drupaceous fruit with endocarp not separating into pyrenes." 16 16 "Corolla lobes glabrous or sometimes papillose." Monotoca 16 "Corolla lobes hairy." 17 17 "Corolla lobes with erect tuft of hairs near apex, fine hairs at throat; flowers yellow-green or green." Acrotriche 17 "Corolla lobes sparsely to densely bearded; flowers white, cream or red." Leucopogon 18 "Corolla lobes basally imbricate; drupaceous fruit with endocarp not separating into pyrenes." Brachyloma 18 "Corolla lobes apically imbricate; drupaceous fruit with endocarp separating into pyreness" Trochocarpa