1	"Robust rosetted giant herbs with very stout, thick, fleshy, often armed leaves terminated by spines"	2
1	"Herbs or subshrubs, if large then with leaves thin and flexible, if +/- fleshy then unarmed; not terminated by a sharp spine"	4
2	"Ovary superior"	"Yucca: Yucca aloifolia"
2	"Ovary inferior"	3
3	"Stamens much longer than perianth"	Agave
3	"Stamens shorter than perianth"	Furcraea
4	"Flowers unisexual"	5
4	"Flowers bisexual"	7
5	"Flowers in spikes, racemes or panicles; leaves linear"	Lomandra
5	"Flowers solitary, axillary; leaves scale-like"	6
6	"Scale-leaves herbaceous, overlapping and closely sheathing the stems at least when young"	"Xerolirion: Xerolirion divaricata"
6	"Scale-leaves scarious, distant, each subtending three slender, filiform cladodes"	"Asparagus: Asparagus officinalis"
7	"Stamens 6, occasionally 7, 8 or 10-14"	8
7	"Stamens 3, with or without 3 staminodes"	21
8	"Fruit a berry"	Asparagus
8	"Fruit a capsule (sometimes fleshy), schizocarp or indehiscent nutlet"	9
9	"Filaments all hairy or 3 hairy, 3 glabrous (includes Dichopogon)"	Arthropodium
9	"Filaments all glabrous, or scabrous, puberulous or papillulose"	10
10	"Plants bulbous; inflorescence terminal on leafless scape"	11
10	"Plants not bulbous; inflorescence various"	15
11	"Perianth segments distinctly unequal in length"	12
11	"Perianth segments ± equal in length"	13
12	"Perianth segments free; petals shorter than sepals; pedicels to 7 cm long; flowers nodding"	Ornithogalum
12	"Perianth segments fused basally into a tube; outer perianth segments shorter than inner; pedicels c. 2 mm long; flowers erect"	Lachenalia
13	"Perianth segments fused to c. half their length"	"Muscari: Muscari comosum"
13	"Perianth segments free to base or almost so"	14
14	"Perianth white, sometimes with green stripe, persistent"	Ornithogalum
14	"Perianth blue or blue-violet, caducous"	"Hyacinthoides: Hyacinthoides non-scripta"
15	"Stamens with densely hairy filaments or basal anther appendages (includes Dichopogon)"	Arthropodium
15	"Stamens with glabrous filaments and without hairy anther appendages"	16
16	"Inflorescence a terminal, dense head-like umbel (sometimes reduced to 3 flowers), the flowers very shortly pedicellate"	Laxmannia
16	"Inflorescences various, if umbellate then flowers long-pedicellate"	17
17	"At least the inner tepals fringed"	Thysanotus
17	"Tepals not fringed"	18
18	Twiner	"Thysanotus: Thysanotus exfimbriatus"
18	Non-twiners	19
19	"Plants shrubby with short leaves sheathing aerial stems; ovule 1 per loculus; fruits muricate, verrucose or smooth"	Acanthocarpus
19	"Plants tufted, with strap-like leaves from a condensed stem; ovules 2 or more per loculus; fruits smooth"	20
20	"Anthers basifixed"	Chlorophytum
20	"Anthers dorsifixed"	Chamaexeros
21	"Petals not fringed"	Sowerbaea
21	"Petals fringed"	Thysanotus