1	"Mericarp awns 3-6 mm long, retrosely barbed"	"Sida cordifolia"
1	"Mericarp awns up to 3 mm long, glabrous or puberulent, not barbed"	2
2	"Leaves entire or with 1-2 teeth per side"	"Sida tanaensis"
2	"Leaves crenate, dentate, or serrate with more than 2 teeth per side"	3
3	"Mericarps 5, puberulous, lower part of their backs thin and breaking irregularly to release the seed"	"Sida alba"
3	"Mericarps 5-9, glabrous or almost so, if 5 not breaking to release the seed"	4
4	"Calyces glabrous or with scattered hairs on the veins and margins"	"Sida acuta"
4	"Calyces tomentose"	5
5	"Mericarps 5-6, glabrous; calyces puberulous all over on the inside; pedicels articulated near or  below the middle"	"Sida ogadensis"
5	"Mericarps 7-9, puberulous or pubescent; calyces puberulous only on the insides of the lobes; pedicels articulated above the middle"	6
6	"Mericarp awns 2-3 mm long; stems and leaves floccose with spreading, tufted hairs"	"Sida floccosa"
6	"Mericarp awns beaklike, up to 1.5 mm long; stems and leaves tomentose but hairs not tufted"	7
7	"Petals about 18 mm long; calyces 5-ribbed at the base; mericarps 4-5 mm long with a pairs or 1-1.5 mm long beaks"	"Sida calliantha"
7	"Petals up to about 11 mm long; calyces 10-ribbed at the base; mericarps 3-3.5 mm long with beaks up to 1 mm long"	8
8	"Nericarps rugose to reticulate on the back, reticulate-striate on the sides; pedicels 2-30 mm long"	"Sida ovata"
8	"Mericarps almost smooth; pedicels 25-70 mm long"	"Sida longipedicellata"