1	"Perianth 25–65 mm long"	2
1	"Perianth 5–20 mm long"	5
2	"Perianth lobes 14–25 mm long"	3
2	"Perianth lobes 4–7.5 mm long"	4
3	"Leaves terete, green, glabrous"	"Conostylis androstemma"
3	"Leaves flat, silvery, villous"	"Conostylis argentea"
4	"Leaves green, glabrous except margins; flowers orange-yellow"	"Conostylis bealiana"
4	"Leaves grey-green, hirsute; flowers yellowish cream to white with suffusions of purple"	"Conostylis albescens"
5	"Perianth lobed virtually to ovary, lacking a distinct tube; stamens erect, incurved; anthers forming a tight ring around style"	"Conostylis breviscapa"
5	"Perianth shortly to moderately tubular below lobes; stamens erect or splayed outwards; anthers not closely appressed"	6
6	"Anthers white, alternately long and short, at 1 level in perianth; inflorescence sessile; flowers sessile"	"Conostylis vaginata"
6	"Anthers yellow or cream, equal in length, at 1 or 2 alternate levels in perianth; inflorescence scapose or with 1 flower; flowers sessile or pedicellate"	7
7	"Inflorescence usually 1-flowered"	8
7	"Inflorescence few- to many-flowered"	10
8	"Plant proliferous or stoloniferous"	"Conostylis seorsiflora"
8	"Plant tufted"	9
9	"Leaves stiff, narrowly linear, to 1.5 mm wide, the margins with spreading hairs 1–3.5 mm long"	"Conostylis rogeri"
9	"Leaves soft, sword-shaped, to 6 mm wide, the margins with appressed hairs less than 1 mm long"	"Conostylis misera"
10	"Leaves terete or subterete"	11
10	"Leaves flat"	18
11	"Leaves tomentose, hirsute or villous (sometimes only near base), grey-white, grey-green or silvery"	12
11	"Leaves glabrous except hairy margins (sometimes at base only), rarely sparingly hirsute, green"	14
12	"Leaves densely tomentose near base, glabrous above"	"Conostylis dielsii"
12	"Leaves uniformly tomentose, hirsute or villous"	13
13	"Stamens at 2 alternate levels in perianth; flowers Oct.–Nov."	"Conostylis drummondii"
13	"Stamens at 1 level in perianth; flowers July–Sept."	"Conostylis teretiuscula"
14	"Leaf hairs when present plumose or simple bristles less than 1 mm long"	15
14	"Leaf hairs simple, spreading, 2–9 mm long, sometimes confined to the lower margins"	17
15	"Leaves less than 17 cm long; flowers cream"	"Conostylis wonganensis"
15	"Leaves usually more than 20 cm long; flowers yellow or greenish yellow"	16
16	"Perianth with sparse long villous hairs"	"Conostylis juncea"
16	"Perianth with dense short plumose hairs"	"Conostylis festucacea"
17	"Perianth 7.5–11 mm long; inflorescence capitate; leaves 5–17 cm long; hairs 2–6 mm long, along entire margin"	"Conostylis teretifolia"
17	"Perianth 5–7.5 mm long; inflorescence a bifurcate flattened head; leaves 13–24 cm long; hairs 3–9 mm long, confined to lower margins"	"Conostylis micrantha"
18	"Leaves tomentose or loosely villous"	19
18	"Leaves glabrous except marginal hairs or bristles or tomentose at base only, rarely leaves ±hirsute"	25
19	"Scape much shorter than leaves; flowers with sparse long villous hairs"	"Conostylis juncea"
19	"Scape shorter than to exceeding leaves; flowers with dense short plumose hairs"	20
20	"Leaves up to 5 cm long, less than 1 mm wide; plants proliferous-stoloniferous"	"Conostylis stylidioides"
20	"Leaves more than 5 cm long and 1 mm wide; plants tufted or proliferous"	21
21	"Scape longer than leaves; perianth lobes golden yellow inside when fresh; ovules numerous all over a globose placenta"	"Conostylis candicans"
21	"Scape shorter than or equal to leaves; perianth lobes pale yellow to cream inside when fresh; ovules few, pendulous from a peltate placenta"	22
22	"Flowers shortly pedicellate; perianth tube tapering below lobes; anther connective dorsally decurrent from the base upwards, without appendages"	23
22	"Flowers sessile; perianth tube somewhat globose below lobes; anther connective dorsally decurrent from middle upwards, with two erect horn-like appendages"	24
23	"Stamens at 2 alternate levels in perianth; anthers 2 mm long"	"Conostylis villosa"
23	"Stamens at 1 level in perianth; anthers 5 mm long"	"Conostylis crassinerva"
24	"Leaves to 30 cm long, sparsely hirsute, grey-green; flowers Sept.–Oct."	"Conostylis seminuda"
24	"Leaves to 20 cm long, densely tomentose, grey-white; flowers July–Aug."	"Conostylis tomentosa"
25	"Leaf margins with rigid sharp bristles"	26
25	"Leaf margins with flexible to rigid simple or plumose hairs, or glabrous"	28
26	"Stilt-plant habit with prominent aerial roots; perianth deeply lobed, tubular for c. a quarter of its length; ovules few, pendulous from a peltate placenta"	"Conostylis neocymosa"
26	"Tufted or proliferous habit, roots usually underground; perianth lobes equal to tube; ovules many, all over a globose placenta"	27
27	"Leaves usually green, usually less than 5 mm wide but to 10 mm; inflorescence loosely to tightly cymose, rarely dense and globular"	"Conostylis aculeata"
27	"Leaves bluish green, 5–15 mm wide; inflorescence capitate"	"Conostylis robusta"
28	"Inflorescence loosely cymose; pedicels 3–10 mm long"	29
28	"Inflorescence tightly cymose or capitate; pedicels 0.5–2 mm long"	33
29	"Leaves less than 1.5 mm wide; perianth 13–18 mm long"	"Conostylis lepidospermoides"
29	"Leaves usually more than 2 mm wide; perianth less than 15 mm long"	30
30	"Stilt-plant habit with aerial roots; leaf margins with widely spaced spreading barbed hairs usually more than 1 mm long"	"Conostylis neocymosa"
30	"Tufted habit; roots underground; leaf margins with dense appressed plumose hairs less than 1 mm long"	31
31	"Perianth tubular for c. a third of its length; lobes slender; anthers 1–2 mm long, golden yellow, closely appressed around style"	"Conostylis phathyrantha"
31	"Perianth tubular for c. 10% of its length; lobes broadly triangular; anthers 3–5 mm long, yellow, not closely appressed"	32
32	"Scape much shorter than leaves; floral hairs shortly matted; anthers 3 times as long as filaments, reclined against perianth lobes"	"Conostylis serrulata"
32	"Scape to c. half length of leaves; floral hairs shaggy; anthers less than twice as long as filaments, erect"	"Conostylis laxiflora"
33	"Perianth hairs sparse, villous, 1–4 mm long; scape much shorter than leaves"	"Conostylis juncea"
33	"Perianth hairs dense, plumose, usually less than 1.5 mm long; scape length relative to leaf length variable"	34
34	"Flowers sessile; perianth tube somewhat globose below lobes; anther connective dorsally decurrent from the middle upwards, usually with 2 erect horn-like appendages"	35
34	"Flowers shortly pedicellate; perianth tube tapering or parallel-sided below lobes; anther connective dorsally decurrent from base upwards, without appendages"	39
35	"Anther connective without appendages"	"Conostylis angustifolia"
35	"Anther connective with appendages"	36
36	"Leaf lamina sparsely hirsute, grey-green"	"Conostylis seminuda"
36	"Leaf lamina glabrous, green"	37
37	"Leaves resinous; scape longer than leaves"	"Conostylis resinosa"
37	"Leaves not prominently resinous; scape shorter than or c. equal to leaves"	38
38	"Leaves usually less than 15 cm long and 2 mm wide; scape c. equal to leaves; perianth 6.5–10.5 mm long; flowers June–Aug."	"Conostylis hiemalis"
38	"Leaves usually more than 20 cm long and 3 mm wide; scape shorter than to just exceeding leaves; perianth 15–20 mm long; flowers Aug.–Oct."	"Conostylis aurea"
39	"Perianth white or pinkish maroon to purple in fresh flower; anthers usually shorter than filaments"	"Conostylis setosa"
39	"Perianth yellow or cream in fresh flower; anthers longer than or rarely equal to filaments"	40
40	"Perianth golden yellow, 12–18 mm long; lobes golden yellow inside when fresh"	"Conostylis petrophiloides"
40	"Perianth yellow or cream, 5–15 mm long; lobes cream or white inside when fresh (except near base)"	41
41	"Scape much shorter than leaves; perianth deeply lobed, tubular for c. 10% of its length; anthers reclined against perianth lobes"	"Conostylis serrulata"
41	"Scape length relative to leaf length variable; perianth moderately divided by lobes, tubular for c. 30–50% of its length; anthers erect"	42
42	"Perianth cream with very short tightly-matted tomentum; persistent lobes on fruit touching at apex with conspicuous gaps between bases"	43
42	"Perianth yellow with short tomentum of varying density; persistent lobes on fruit spreading with narrow gaps between bases"	44
43	"Leaf bases densely tomentose, glabrous above"	"Conostylis dielsii"
43	"Leaf bases glabrous except for short appressed marginal hairs"	"Conostylis caricina"
44	"Stems often more than 10 cm long, wiry, proliferous or tufted, naked"	45
44	"Stems tufted, less than 4 cm long, thickened, erect and naked or shortly erect and hidden by leaves"	48
45	"Leaves less than 6 cm long, rarely to 10 cm"	"Conostylis prolifera"
45	"Leaves more than 8 cm long"	46
46	"Leaf margins glabrous or with a few scattered, spreading bristles towards apex"	"Conostylis festucacea"
46	"Leaf margins with scattered or dense, appressed or spreading flexible plumose hairs"	47
47	"Leaves less than 2 mm wide and 35 cm long"	"Conostylis pauciflora"
47	"Leaves 4–10 mm wide, 20–50 cm long"	"Conostylis bracteata"
48	"Stamens at 2 alternate levels in perianth"	49
48	"Stamens at 1 level in perianth"	50
49	"Leaves less than 6 cm long; perianth 5–9.5 mm long"	"Conostylis pusilla"
49	"Leaves usually more than 8 cm long; perianth 10–15 mm long"	"Conostylis setigera"
50	"Leaf marginal hairs recurved horizontally across and appressed to lamina"	"Conostylis deplexa"
50	"Leaf hairs spreading or appressed to margins or absent"	51
51	"Leaf hairs spreading, widely spaced, 2–4 mm long"	52
51	"Leaf hairs absent or appressed to margin, dense, less than 1 mm long"	53
52	"Leaves 8–14 cm long, 0.5–1 mm wide; anthers c. equal to filaments"	"Conostylis teretifolia"
52	"Leaves 10–27 cm long, 2–3.5 mm wide; anthers much longer than filaments"	"Conostylis latens"
53	"Stems 1–4 cm long, erect and naked below leaves with prominent aerial roots; anthers somewhat longer than filaments"	"Conostylis canteriata"
53	"Stems less than 1 cm long, hidden by leaves, rarely with aerial roots prominent; anthers much longer than filaments"	"Conostylis crassinerva"