1	"Flowers single, in dense or lax elongate terminal or subterminal spikes"	2
1	"Flowers axillary, single or in small clusters, sessile or pedunculate"	15
2	"Spikes mostly terminal and subterminal or, if only axillary then densse and many-flowered with leaf-like bracts and purplish flowers more than 10 mm long"	3
2	"Spikes axillary, pedunculate, usually with 2-5 flowers; bracts and bracteoles inconspicuous; flowers white, 4-15 mm long"	11
3	"Spikes lax; bracts and bracteoles small and inconspiuous; plants shrubs"	4
3	"Spikes dense to fairly dense; bracts broad, often leaf-like; plants herbs or shrubs"	5
4	"Spikes terminal; flowers about 25 mm long; bracteoles 8-9 mm ling, with hyaline margins"	"Justicia grisea"
4	"Spikes terminal and subterminal; flowers about 10 mm long; bracteoles about 1.5 mm long"	"Justicia potamophila"
5	"Plants large shrubs; flowers white, more than 25 mm long; tail of lower anther cell minute"	"Justicia schimperiana"
5	"Plants annual or perennial herbs; flowers less than 20 mm long; tail of lower anther cell distinct"	6
6	"Spikes strictly terminal; flowers pale pinkish, blue, or yellow; capsules 4-seeded; seeds tuberculate"	7
6	"Spikes mostly axillary, sometime confluent to a compound spike in the upper part of the stem; flowers purplish; capsules 2-seeded; seeds flattened, smooth"	10
7	"Corolla pink or blue; lower portion of spike sometimes with long internodes"	"Justica caerulea"
7	"Corolla yellow; lower whorls of flowers in spike usually more or less confluent"	8
8	"Stems and leaves with densely covered with spreading hairs about 1 mm long"	"Justicia vixispicata"
8	"Stems and leaves with appressed to spreading hairs, if spreading then hairs usually less than 0.5 mm long"	9
9	"Leaves thick, somewhat succulent; leaf blades as wide as long"	"Justicia arenaria"
9	"Leaves of ordinary thickness, not succulent; leaf blades of various shapes but usually longer than wide"	"Justicia flava"
10	"Plants perennial herbs, branched from the base with ascending stems; corolla 9-11 mm long"	"Justicia debilis"
10	"Plants annual herbs, mostly erect and little branched; corolla 5-8 mm long"	"Justicia bracteata"
11	"Plants subshrubs with lignified old stems 5-10 mm in diameter at their bases"	"Justicia ornatopila"
11	"Plants perennial or annual herbs with thinner stems"	12
12	"Plants without a woody root-stock"	"Justicia calyculata"
12	"Plants with a woody root stock"	13
13	"Capsules glabrous"	"Justicia cufodontii"
13	"Capsules pubescent, rarely sparsely so"	14
14	"Leaf blades narrowly elliptic; spikes usually with 2-4 flowers"	"Justicia anagalloides"
14	"Leaf blades broadly ovate to orbicular; spikes usually with 2 flowers"	"Justicia thiniophila"
15	"Plants shrubs; stems woody except the most distal portion"	16
15	"Plants herbs; stems herbaceous except, sometimes, in the lowest portion"	24
16	"Corolla tube cylindrical, much longer than the lips; corollas red, at least 25 mm long"	"Justicia anisotoides"
16	"Corolla tube shorter than to about as long as the lips; corollas of various colors, up to 20 mm long"	17
17	"Lower anther cells without a tail or tail very short"	18
17	"Lower anther cells with a distinct tail"	19
18	"Young stems and capsules glabrous or with a few hairs"	"Justicia gesneriflora"
18	"Young stems and capsules densely pubescent"	"Justicia kucharii"
19	"Flowers on axillary peduncles up to 25 mm long; leaves sessile"	"Justicia cordata"
19	"Flower clusters axillary but sessile or subsessile; leaves usually petiolate"	20
20	"Corollas white or yellow"	21
20	"Corollas pink or purple"	22
21	"Plants cushion-forming dwarf shrubs about 15 cm tall, much branched from the base; leaves up to about 11 mm long; corollas white with purplish markings"	"Justicia minutiflora"
21	"Plants shrubs, usually more than 15 cm tall, moderately branched; leaves about 13-58 mm long; corollas yellow, often with purplish veins in the upper lip"	"Justica odora"
22	"Leaf tips truncate or retuse"	"Justicia brevipila"
22	"Leaf tips obtuse"	23
23	"Calyx lobes with a more or less distinct white, hyaline margins; anther cells yellow"	"Justicia phillipsiae"
23	"Calyx lobes with or without narrow hyaline margins; anther cells purplish"	"Justicia scabridula"
24	"Capsules 2-seeded; seeds smooth, strongly flattened"	25
24	"Capsules, at least some of them, 4-seeded; seeds tuberculate, somewhat flattended"	26
25	"Leaves thin; bracts usually with densely ciliate margins; corollas 9-11 mm long"	"Justicia debilis"
25	"Leaves succulent; bracts evenly pubescent with short hairs; corollas 5.5-7 mm long"	"Justicia carnosa"
26	"Corolla purple, usually more than 10 mm long; bracts lengths usually 2 times their width; capsules smooth, 4-seeded"	"Justicia ladanoides"
26	"Corolla pink or white, less than 10 mm long; bract lengths usually less than 2 times bract widths; capsules winged, 1-seeded"	27
27	"Corolla pink, about 4-5 mm long; calyx lobes with spreading hairs at the margins; capsules with 6, deeply dissected wings"	"Justicia heterocarpa"
27	"Corolla white with purplish pattern on lower lip about 8-9 mm long; calyx lobes with distally-directed hairs on the margins; capsules with 4 undulate wings"	"Justicia striata"