1	"Ovary inferior"	"Paphia {Paphia meiniana}"
1	"Ovary superior (if inferior, then anthers with awns)"	2
2	"Flowers nearly always 4-merous; corolla ± scarious, persistent; leaves opposite or whorled"	3
2	"Flowers rarely 4-merous; corolla not scarious; leaves usually spiral"	4
3	"Leaves sessile, tailed"	"Calluna {Calluna vulgaris}"
3	"Leaves petiolate, not tailed"	Erica
4	"Fruit septicidal; pollen usually with viscin threads"	5
4	"Fruit loculicidal, or indehiscent; pollen lacking viscin threads"	6
5	"Inflorescence bud with large, usually brown perulae; bracts and bracteoles usually deciduous"	Rhododendron
5	"Inflorescence bud lacking such perulae; bracts and bracteoles usually persistent"	"Daboecia {Daboecia cantabrica}"
6	"Lamina rarely xeromorphic and ericoid, margin often with glandtipped teeth, venation pinnate, midrib usually evident; plant nearly always with multicellular hairs"	7
6	"Lamina usually xeromorphic and ericoid, with entire margins, if serrulate, not gland-tipped, venation closely parallel- or pli-nerved, midrib often not evident; plant lacking multicellular hairs"	9
7	"Inflorescence terminal; ovary superior; fruit fleshy, usually indehiscent"	"Arbutus {Arbutus unedo}"
7	"Inflorescence usually axillary; fruit proper (i.e. not including calyx) fleshy only if ovary is inferior"	8
8	"Anthers with slits their entire length"	"Prionotes {Prionotes cerinthoides}"
8	"Anthers with pores or short slits"	Gaultheria
9	"Stems with annular scars after leaf fall"	10
9	"Stems without annular scars after leaf fall"	12
10	"Corolla ovoid or conical, forming a cap that falls at anthesis, the lobes not opening"	Richea
10	"Corolla cylindrical or campanulate, not shed at anthesis, the lobes opening"	11
11	"Flowers in short spikes; bracts persistent; corolla tube narrow"	Sphenotoma
11	"Flowers in compound racemes or panicles, rarely solitary; bracts falling; corolla broadly cylindrical or campanulate"	Dracophyllum
12	"Leaves sheathing"	13
12	"Leaves not sheathing"	15
13	"Filaments adnate to corolla tube"	"Cosmelia {Cosmelia rubra}"
13	"Filaments free"	14
14	"Corolla glabrous; tube very short; lobes imbricate; anthers connivent or cohering"	Sprengelia
14	"Corolla hairy inside; tube cylindrical; lobes imbricate; anthers free"	Andersonia
15	"Flowers 4-merous"	"Oligarrhena {Oligarrhena micrantha}"
15	"Flowers 5-merous"	16
16	"Fruit a loculicidal capsule"	17
16	"Fruit drupaceous, indehiscent, rarely splitting irregularly and transversely"	22
17	"Flowers pedicellate, bracteoles two, basal, quite different from sepals"	Archeria
17	"Flowers sessile, bracteoles several, imbricate, passing into sepals"	18
18	"Corolla lobes contorted in bud"	19
18	"Corolla lobes imbricate in bud"	20
19	"Lamina ovate, acuminate, pungent, erect above base then spreading widely"	"Woollsia {Woollsia pungens}"
19	"Lamina linear to ovate-lanceolate, erect, appressed to stem"	Lysinema
20	"Filaments long, inserted at base of corolla tube; anthers adnate, connivent around style"	Rupicola
20	"Filaments short, inserted in corolla throat; anthers attached above middle"	21
21	"Filaments terete, shorter than anthers; anthers dorsally attached to filament, included"	Epacris
21	"Filaments compressed, about as long as anthers; anthers adnate to filament for most of their length, exserted"	"Budawangia {Budawangia gnidioides}"
22	"Corolla lobes incurved at the apex, style impressed into ovary"	Needhamiella
22	"Corolla lobes rarely incurved; style and ovary continuous"	23
23	"Anthers exserted above corolla tube"	24
23	"Anthers included within corolla tube, or lying between spreading lobes"	26
24	"Anthers connate in a cone around style"	Coleanthera
24	"Anthers free"	25
25	"Leaves scattered along stem"	Styphelia
25	"Leaves distinctly clustered in false whorls"	Cyathodes
26	"Corolla tube conical in upper part, lobes very small, erect; anthers 2-lobed"	Conostephium
26	"Corolla tube cylindrical, campanulate or rotate, lobes spreading or recurved; anthers rounded"	27
27	"Corolla tube with tufted hairs or scales below middle inside; filaments usually flat"	28
27	"Corolla tube glabrous below middle inside, rarely puberulent or pubescent; filaments terete, usually thin"	29
28	"Corolla tube short, broad, 5 tufts of hairs or ring of glands at base, lobes spreading"	Melichrus
28	"Corolla tube elongated, cylindrical, 5 tufts of hairs or fringed scales in tube, lobes erect around anthers, spreading or recurved at top"	Astroloma
29	"Locules often more than 5; fruit with separate stones"	30
29	"Locules usually 5 or fewer; fruit with a single stone"	31
30	"Corolla valvate in bud; filaments thin, terete"	Pentachondra
30	"Corolla ± imbricate in bud; filaments short, thick and tapered"	Trochocarpa
31	"Flowers pedicellate, prophylls basal"	Lissanthe
31	"Flowers sessile, prophylls inserted immediately below calyx"	32
32	"Ovary and style with hairs"	"Croninia {Croninia kingiana}"
32	"Ovary and style glabrous"	33
33	"Corolla lobes imbricate in bud"	Brachyloma
33	"Corolla lobes valvate in bud"	34
34	"Corolla tube short; filaments terete or filiform"	Leptecophylla
34	"Corolla tube elongate"	35
35	"Corolla lobes glabrous or papillose; ovary 1-2-locular"	Monotoca
35	"Corolla lobes hairy, rarely glabrous; ovary (2-)5(-10)locular"	36
36	"Corolla lobes with erect tufts of hairs near apex and fine hairs at throat; flowers often yellow-green to green"	Acrotriche
36	"Corolla lobes sparsely to densely bearded, rarely glabrous; flowers white, cream or red"	37
37	"Drupe ± spherical; mesocarp fleshy or thin"	Leucopogon
37	"Drupe depressed; mesocarp thick, pulpy"	Planocarpa