1	"Inflorescence a simple or branched raceme with paired flowers; pedicels joined near base"	2
1	"Inflorescence paniculate, cymose, head-like, umbel-like or a raceme with solitary flowers; pedicels not joined"	3
2	"Plants 50–200 cm tall; sepals ⅔–c. ¾ as long as petals"	"Haemodorum spicatum"
2	"Plants 8–35 cm tall; sepals ½ as long as petals or slightly longer"	"Haemodorum brevisepalum"
3	"Inflorescence of 1 or more dense head-like racemes or umbel-like; plant 2.5–9.5 cm tall"	4
3	"Inflorescence paniculate or corymbose, dense or open; plant 20–190 cm tall"	5
4	"Inflorescence 1 or more dense, cylindrical, head-like racemes; sepals and petals dark red or purplish black; leaves 1–2 mm wide"	"Haemodorum brevicaule"
4	"Inflorescence a single dense umbel-like cluster; sepals black and red; petals green; leaves 3–3.5 mm diam."	"Haemodorum distichophyllum"
5	"Flowers 8–16.5 mm long"	6
5	"Flowers 3.5–7.5 mm long"	19
6	"Flowers red or orange-red"	"Haemodorum coccineum"
6	"Flowers at least partly black or brown"	7
7	"Style at anthesis not exceeding anthers"	8
7	"Style at anthesis usually exceeding anthers"	12
8	"Flowers solitary"	9
8	"Flowers in clusters of 2–6 flowers"	10
9	"Inflorescence a widely branched panicle; leaves terete or compressed, 0.8–1.7 mm diam."	"Haemodorum sparsiflorum"
9	"Inflorescence a narrow panicle; leaves flat, 1.5–7 mm wide"	"Haemodorum austroqueenslandicum"
10	"Anthers not versatile, the connective decurrent onto filament"	"Haemodorum simplex"
10	"Anthers verstile"	11
11	"Bracteoles blackish or brownish green; upper bracteole tip reaching or exceeding flower tip"	"Haemodorum paniculatum"
11	"Bracteoles black; upper bracteole tip reaching ¼–½ way up flower"	"Haemodorum planifolium"
12	"Inflorescence an open panicle, with flowers in small clusters of 2–5"	13
12	"Inflorescence a panicle of large dense many-flowered clusters"	17
13	"Bracteoles relatively translucent in centre, brown, with veins visible abaxially"	14
13	"Bracteoles opaque in centre, black, with veins obscure abaxially"	15
14	"Basal leaves 1–4 mm wide, rarely to 5 mm"	"Haemodorum laxum"
14	"Basal leaves 5.5–22 mm wide"	"Haemodorum venosum"
15	"Bracteole margins narrow, blackish or brown, inconspicuous"	"Haemodorum planifolium"
15	"Bracteole margins broad, white, contrasting conspicuously with centre"	16
16	"Basal leaves up to 4; lamina 1.3–5.2 mm wide, rarely to 6 mm"	"Haemodorum discolor"
16	"Basal leaf usually 1, occasionally 2; lamina 6–20 mm wide"	"Haemodorum loratum"
17	"Leaves ±terete or compressed"	"Haemodorum corymbosum"
17	"Leaves flat"	18
18	"Leaves 2–5.5 mm wide; anthers centred above middle of petals"	"Haemodorum planifolium"
18	"Leaves 7–25 mm wide; anthers centred at or below middle of petals"	"Haemodorum simulans"
19	"Inflorescence a simple or branched raceme or a panicle with ultimate branches racemose"	"Haemodorum parviflorum"
19	"Inflorescence a panicle, corymb or compound corymb"	20
20	"Leaves flat"	21
20	"Leaves terete, compressed or plano-convex"	22
21	"Inflorescence corymbose, often compound, the flowers concentrated terminally"	"Haemodorum coccineum"
21	"Inflorescense paniculate, the flowers distributed extensively along major branches"	"Haemodorum ensifolium"
22	"Inflorescence corymbose; flowers red outside and inside"	"Haemodorum gracile"
22	"Inflorescence paniculate; flowers brown or grey and glaucous outside, red inside"	"Haemodorum tenuifolium"