1	"Inflorescence generally green, white, yellow, +- red-gray, bright pink, or +- purple, but not bright red; corolla 1--3 cm, beak generally <= tube; generally bee-pollinated; lower corolla lip generally 3-pouched (except <i>Castilleja grisea</i>, <i>Castilleja plagiotoma</i>), teeth generally +- erect, white or green to purple-red"	2
1	"Inflorescence generally red, orange, or yellow; corolla 1.2--5 cm, beak often >= tube; generally hummingbird-pollinated; lower corolla lip of small, incurved, generally dark green, red, black, +- yellow, or +- purple teeth"	29
2	"Perennial herb to subshrub"	3
2	Annual	11
3	"Herbage gray-green, except bract lobes and calyx white-woolly; calyx divided deeper on sides than abaxially and adaxially"	"Castilleja plagiotoma"
3	"Herbage, including bract lobes and calyx, gray-green to densely white-woolly; calyx divided deeper abaxially and adaxially than on sides, or divided +- equally"	4
4	"Calyx divided much deeper abaxially and adaxially than on sides"	5
4	"Calyx divided +- equally"	7
5	"Hairs stellate; San Clemente Island"	"Castilleja grisea"
5	"Hairs simple or branched; KR, CaRH, SNH, SnBr, GB"	6
6	"Herbage glandular; corolla 16--20 mm, lower lip 5--7 mm, teeth +- green-white or +- purple, +- triangular; stem generally unbranched; bract lobes +- acute"	"Castilleja lemmonii"
6	"Herbage stiff-hairy, nonglandular; corolla 13--16 mm, lower lip 2 mm, teeth dark green, incurved; stem much-branched; bract lobes truncate or rounded"	"Castilleja praeterita"
7	"Herbage +- white-woolly"	8
7	"Herbage puberulent to coarsely hairy"	9
8	"Plant 8--30 cm; leaves 20--60 mm; hairs simple; KR, NCoRH, CaRH, n SNH, MP"	"Castilleja arachnoidea"
8	"Plant 8--15 cm; leaves 5--20 mm; hairs branched; KR"	"Castilleja schizotricha"
9	"Herbage ashy-puberulent; bract tips dusty red, +- purple, or green-yellow; hairs dense, partitioned, much-branched; seed coat walls irregularly netted --- seed coat tight-fitting; SnBr"	"Castilleja cinerea"
9	"Herbage not ashy-puberulent; bract tips generally yellow-green or +- purple; hairs +- stiff, +- unbranched; seed coat walls with ladder-like thickenings"	10
10	"Bract lobes acuminate, green-margined; seed coat loose-fitting"	"Castilleja nana"
10	"Bract lobes generally truncate or rounded (acute), white-margined; seed coat tight-fitting"	"Castilleja pilosa"
11	"Bracts green throughout"	12
11	"Bracts and calyx lobes tipped +- purple, +- yellow, or +- white"	18
12	"Leaves and bracts entire"	13
12	"Leaves entire or lobed; bracts lobed"	14
13	"Leaves and bracts linear, thin, flexible; bracts <= flowers; corolla light to bright yellow; lower anther sac 1/4--1/3 upper"	"Castilleja campestris subsp. campestris"
13	"Leaves and bracts lanceolate, thick, +- brittle; bracts > flowers; corolla generally yellow to orange; lower anther sac +- 1/2 upper"	"Castilleja campestris subsp. succulenta"
14	"Corolla beak densely white-hairy --- SnBr, n&c PR"	"Castilleja lasiorhyncha"
14	"Corolla beak puberulent"	15
15	"Lower corolla lip pouches 2--4 mm wide, +- 2 mm deep; stigma included"	"Castilleja tenuis"
15	"Lower corolla lip pouches 4--10 mm wide, 3--6 mm deep; stigma generally +- exserted"	16
16	"Corolla 13--22 mm, pouches 4--8 mm wide; KR, NCoRO, NCoRI, CaR, SN, MP"	"Castilleja lacera"
16	"Corolla 20--28 mm, pouches 8--10 mm wide; NCoR, CaRF, ScV, CCo, SnFrB"	17
17	"Corolla yellow"	"Castilleja rubicundula subsp. lithospermoides"
17	"Corolla white, turning +- pink"	"Castilleja rubicundula subsp. rubicundula"
18	"Corolla beak tip hooked, densely shaggy-hairy; filaments puberulent"	19
18	"Corolla beak straight, puberulent; filaments glabrous"	21
19	"Distal bracts generally 5--7 mm wide, lobes < 2 mm, tipped pale lavender; inflorescence appearing alternately light- and dark-banded --- NCo, n&c CCo"	"Castilleja exserta subsp. latifolia"
19	"Distal bracts generally < 5 mm wide, lobes > 2 mm; inflorescence not appearing alternately light- and dark-banded"	20
20	"Corolla white, pale yellow or rose to +- purple; widespread"	"Castilleja exserta subsp. exserta"
20	"Corolla bright rose-red except yellow- to orange-tipped pouch; w DMoj"	"Castilleja exserta subsp. venusta"
21	"Inflorescence 10--20 mm wide; corolla linear, pouches +- 2 mm wide; stigma including"	22
21	"Inflorescence 20--40 mm wide; corolla wider distally, pouches generally 3--7 mm wide; stigma generally +- exserted"	23
22	"Bract lobes 3, tipped white or pale yellow; seed < 1 mm, coat shallowly netted"	"Castilleja attenuata"
22	"Bract lobes 3--5, tipped pink or purple-red; seed 1--1.5 mm, coat +- deeply netted"	"Castilleja brevistyla"
23	"Stem +- stiffly spreading-hairy, glandular; bract tips cream to pale yellow --- SNF"	"Castilleja lineariloba"
23	"Stem glabrous to puberulent, not glandular; bract tips yellow (cream) to pink- or rose-purple"	24
24	"Branches generally many; leaf lanceolate to oblong, > 3 mm wide; seed coat tight-fitting"	25
24	"Branches 0 or few from mid-stem; leaf lance-linear, < 3 mm wide; seed coat loose-fitting"	27
25	"Bracts tipped yellow"	"Castilleja ambigua subsp. ambigua"
25	"Bracts tipped +- yellow-pink to rose-purple"	26
26	"Plant +- fleshy, branches 0--few from mid-stem; salt marshes"	"Castilleja ambigua subsp. humboldtiensis"
26	"Plant not fleshy, much-branched from base; grassy coastal bluffs"	"Castilleja ambigua subsp. insalutata"
27	"Calyx 5--10 mm; lower corolla lip widened abruptly, pouches generally shorter than deep"	"Castilleja densiflora subsp. gracilis"
27	"Calyx 8--20 mm; lower corolla lip widened gradually, pouches longer than deep"	28
28	"Inflorescence generally rose-purple (cream)"	"Castilleja densiflora subsp. densiflora"
28	"Inflorescence cream to pale yellow"	"Castilleja densiflora subsp. obispoensis"
29	"Annual; stem +- simple; wet places --- leaves and bracts entire, lance-linear"	30
29	"Perennial herb to subshrub; stems generally branched; generally drier places (except <i>Castilleja miniata</i>)"	31
30	"Corolla 15--20(30) mm; plant shaggy-hairy, most hairs glandular"	"Castilleja minor subsp. minor"
30	"Corolla 25--35 mm; plant puberulent, many hairs nonglandular"	"Castilleja minor subsp. spiralis"
31	"Herbage gray-green to densely white-woolly, hairs branched"	32
31	"Herbage not both with branched hairs and gray-green to white-woolly"	38
32	"Herbage +- gray-green; calyx white-woolly, divided deeper on sides than abaxially and adaxially"	"Castilleja plagiotoma"
32	"Entire plant densely white-woolly or ash-gray; calyx sinuses deeper abaxially and adaxially than on sides"	33
33	"Leaves oblong to obovate, entire, tip rounded; bract tips rounded or 0--3-lobed, yellow(-green) --- n ChI"	"Castilleja mollis"
33	"Leaves linear to lanceolate, distal sometimes 3-lobed, tip acute to obtuse; inflorescence red, orange, or yellow; bracts 0--7-lobed, tips colored like calyx"	34
34	"Herbage white-felty, with long, intertwined, +- branched hairs; leaves entire --- n ChI"	"Castilleja hololeuca"
34	"Herbage white-woolly or ash-gray with shorter, much-branched or stellate hairs; upper leaves sometimes 3-lobed"	35
35	"Inflorescence pale yellow-green; plant ash-gray; hairs stellate; bracts 5--7-lobed --- s ChI"	"Castilleja grisea"
35	"Inflorescence bright red to bright yellow (yellow-green); plant white-woolly or ash-gray; hairs much-branched; bracts 0--5-lobed"	36
36	"Herbage +- white to +- gray; calyx entire or barely notched on sides"	"Castilleja foliolosa"
36	"Herbage ash-gray or green; calyx divided 1/5--1/4 on sides"	37
37	"Calyx lobes ovate, obtuse; lower corolla lip dark green to +- black; leaf lobes 0--3; SnGb"	"Castilleja gleasoni"
37	"Calyx lobes lanceolate, acute; lower corolla lip green; leaf lobes 0--5; NW, CaR, n&c SN, MP"	"Castilleja pruinosa"
38	"Calyx divided +- 2/3 abaxially, 1/6--1/3 adaxially, lobes generally curved upward; corolla (including lower lip) generally curved out through abaxial calyx sinus"	39
38	"Calyx divided generally 1/4--1/2 (except <i>Castilleja miniata</i>, <i>Castilleja peirsonii</i>) abaxially and adaxially, lobes not curved upward; corolla not curved out through abaxial side of calyx sinus"	41
39	"Herbage glabrous to slightly puberulent; leaves linear, margins rolled upward; bracts generally narrowly 3-lobed, < calyx; corolla beak sparsely puberulent; CaR, e slope SNH, TR, GB, DMtns"	"Castilleja linariifolia"
39	"Herbage puberulent to hairy; leaves lanceolate, not rolled upward; bracts generally entire, >= calyx; corolla beak densely shaggy-puberulent; mostly c&s CA-FP"	40
40	"Inflorescence 2-colored, red and yellow; corolla yellow-orange; calyx lobes clearly curved upward, sides +- entire to divided < 1/5"	"Castilleja subinclusa subsp. franciscana"
40	"Inflorescence +- red throughout; corolla +- red; calyx lobes barely curved upward, sides divided 1/5--1/3"	"Castilleja subinclusa subsp. subinclusa"
41	"Hairs dense, branched (puberulent)"	"Castilleja pruinosa"
41	"Hairs generally unbranched (or +- 0), plant puberulent to long-soft-hairy or bristly (<i>Castilleja affinis</i> subsp. <i>affinis</i> occasionally with some branched hairs)"	42
42	"Plant glandular-puberulent to -sticky-hairy proximal to inflorescence"	43
42	"Plant generally not glandular proximal to inflorescence (except occasionally <i>Castilleja affinis</i> or <i>Castilleja latifolia</i>)"	50
43	"Calyx divided >= 1/2 abaxially; corolla beak +- 1/2 tube; stigma clearly 2-lobed"	"Castilleja peirsonii"
43	"Calyx generally divided 1/4--1/2 abaxially; corolla beak 1--2 &times; tube; stigma generally entire or slightly 2-lobed"	44
44	"Branches generally crowded proximal to inflorescence; leaves generally crowded; seed coat deeply netted; coastal"	"Castilleja wightii"
44	"Branches few proximal to inflorescence; leaves generally +- well spaced; seed coat shallowly netted; inland"	45
45	"Plant glandular but not sticky; leaves entire or shallowly lobed; calyx lobes obtuse to rounded or acute"	46
45	"Plant densely glandular-sticky; leaves 0--3-lobed; calyx lobes generally acute"	47
46	"Leaf lobes 0--7; calyx lobes obtuse; nw KR"	"Castilleja brevilobata"
46	"Leaf lobes 0--3; calyx lobes acute; e SnBr"	"Castilleja montigena"
47	"Stem 10--25 cm; leaf lobes generally 3; calyx 13--15 mm, divided +- 1/4 on sides; red fir forest to alpine barrens --- SNH, GB"	"Castilleja applegatei subsp. pallida"
47	"Stem 30--80 cm; most leaves entire; calyx 12--25 mm, generally divided <= 1/5 on sides; generally below subalpine"	48
48	"Calyx lobes obtuse"	"Castilleja applegatei subsp. martinii"
48	"Calyx lobes acute"	49
49	"Calyx 12--18 mm"	"Castilleja applegatei subsp. disticha"
49	"Calyx 16--25 mm"	"Castilleja applegatei subsp. pinetorum"
50	"Leaves +- fleshy, oblong to rounded, lobes 0--3, truncate-rounded; bract lobes 0--3, truncate-rounded; hairs generally bristly or shaggy"	51
50	"Leaves generally not fleshy, linear to lanceolate; leaves and bracts entire or lobed, tips acute to obtuse; generally puberulent or glabrous (bristly)"	52
51	"Corolla 20--30 mm, beak 10--15 mm; c&s CCo"	"Castilleja latifolia"
51	"Corolla 30--45 mm, beak 15--25 mm; c NCo"	"Castilleja mendocinensis"
52	"Calyx divided 1/4--1/3 abaxially and adaxially --- dry sagebrush scrub, pinyon/juniper woodland"	"Castilleja chromosa"
52	"Calyx divided 1/3--2/3 or more abaxially and adaxially"	53
53	"Herbage generally +- bristly-puberulent; leaves 0--5-lobed"	54
53	"Herbage glabrous to sparsely puberulent, to long-soft-hairy distally; leaves generally entire"	55
54	"Inflorescence generally bright red to orange-red (yellow), 30--50 mm wide"	"Castilleja affinis subsp. affinis"
54	"Inflorescence generally yellow (pink or +- red-orange), 15--25 mm wide --- s NCoRI, SnFrB, open serpentine slopes"	"Castilleja affinis subsp. neglecta"
55	"Bract and calyx lobes obtuse; seed coat deeply netted, tight-fitting; generally dry sea bluffs --- n&c NCo"	"Castilleja affinis subsp. litoralis"
55	"Bract and calyx lobes acute; seed coat shallowly netted, loose-fitting; moist places"	56
56	"Stem slender; inflorescence +- pink to yellow-orange; serpentine bogs; nw KR"	"Castilleja miniata subsp. elata"
56	"Stem stout; inflorescence generally bright red to orange-red; widespread"	"Castilleja miniata subsp. miniata"