1	"Heads pale yellow or yellow"	2
1	"Heads white or pink"	6
2	"Heads 6-10 mm long;  plants annuals or short-lived perennials"	"Helichrysum foetidum"
2	"Heads 2.5-4.5 mm long; plants perennial herbs or shrubs"	3
3	"Plants woody herbs to 40 cm tall; leaves 0.5-1.5 cm long, 1-4.5 mm wide"	"Helichrysum somalense"
3	"Plants herbs more than 40 cm tall or shrubs; leaves more than 1.5 cm long and 4.5 mm wide"	4
4	"Plants hebs to 100 cm tall; leaves 4-20 cm long, 7-80 mm wide"	"Helichrysum globosum"
4	"Plants shrubs 50-150 cm tall; leaves 2-6.5 cm long; 5-30 mm wide"	5
5	"Leaves tomentose; florets 4-6, of which 1-3 pistillate"	"Helichrysum ogadense"
5	"Leaves glabrous, densely glandular; florets 24-27, all bisexual"	"Helichrysum psiadiifolium"
6	"Plants herbs to 10 cm tall, sometimes with almost leafless, long flowering stems; leaves 1-3 mm wide; heads 5-8 mm long"	7
6	"Plants usully more than 10 cm tall; leaves 2-11 mm wide; heads 2.5-5 mm long"	8
7	"Phyllaries in 10 or more series; pistillate florets 1-2"	"Helichrysum erigavoanum"
7	"Phyllaries in 4-5 series; pistillateflorets 4-26"	"Helichrysum arussense"
8	"Achenes densely glandular-papillose; heads with 5-29 florets, 2-11 being pistillate"	"Helichrysum glumaceum"
8	"Achenes glabrous and smooth; heads either with 4-6 florets, 1-2 being pistillate or with more than 30 florets, most being pistillate"	9
9	"Heads with more than 30 florets, of which most are pistillate"	"Helichrysum globosum"
9	"Heads with 4-6 florets, of which 1-2 are pistillate"	10
10	"Leaf tips acute to apiculate; inflorescences scorpioid cymes"	"Helichrysum cuspidatum"
10	"Leaf tips rounded and apiculate; inflorescences divaricate cymes"	"Helichrysum arbuscula"