1 |
Bracts lanceolate, subulate or linear.
|
(2)
|
1 + |
Bracts flabellate, subcircular, or ± broadly ovate.
|
(17)
|
2 (1) |
Abaxial surface of leaves white tomentose, sometimes yellowish tomentose when dry, different in color from adaxial surface.
|
(3)
|
2 (1) + |
Abaxial surface of leaves glabrous or hairy, of same color as adaxial surface.
|
(4)
|
3 (2) |
Leaves long petiolate, elliptic to rhombic-ovate, adaxially finely corrugate, obtusely serrate; verticillasters pedunculate, loosely capitate on basal part of spikes; corolla white, sometimes purple or yellowish
(1)
|
Elsholtzia rugulosa
|
3 (2) + |
Leaves subsessile or short petiolate, lanceolate or oblanceolate, adaxially not finely corrugate, serrulate above base; verticillasters sessile, capitate; corolla white to green-yellow
(2)
|
Elsholtzia myosurus
|
4 (2) |
Abaxial surface of leaves glabrous or puberulent on veins.
|
(5)
|
4 (2) + |
Abaxial surfaces of leaves variously hairy.
|
(7)
|
5 (4) |
Lower verticillasters widely spaced; flowers pendulous when open; calyx glabrous outside
(11)
|
Elsholtzia penduliflora
|
5 (4) + |
Verticillasters continuous; flowers not pendulous when open; calyx tomentose outside.
|
(6)
|
6 (5) |
Spikes ± secund; corolla ca. 9 mm, rose-purple; leaves lanceolate to oblong-lanceolate
(7)
|
Elsholtzia stauntonii
|
6 (5) + |
Spikes cylindric; corolla ca. 4 mm, white; leaves rhombic-lanceolate
(4)
|
Elsholtzia glabra
|
7 (4) |
Shrubs or subshrubs; corolla white or yellow.
|
(8)
|
7 (4) + |
Herbs; corolla mostly purple-red, rarely white.
|
(12)
|
8 (7) |
Inflorescences capitate; leaves elliptic-oblong to oblong, 0.8-2 cm × 2-5 mm, densely floccose-pubescent, shallowly crenate above base
(9)
|
Elsholtzia capituligera
|
8 (7) + |
Inflorescences spicate; leaves larger than 2 cm × 5 mm, coarsely dentate.
|
(9)
|
9 (8) |
Spikes ± secund, loose; bracts subulate to lanceolate-subulate
(14)
|
Elsholtzia blanda
|
9 (8) + |
Spikes cylindric, compact; bracts lanceolate.
|
(10)
|
10 (9) |
Leaves lanceolate to elliptic-lanceolate, coarsely serrate, apex acuminate
(3)
|
Elsholtzia fruticosa
|
10 (9) + |
Leaves ovate to oblong, crenate to crenate-serrate, apex acute.
|
(11)
|
11 (10) |
Bracts conspicuous; calyx densely lanate-pilose outside; leaves subsessile
(5)
|
Elsholtzia eriocalyx
|
11 (10) + |
Bracts inconspicuous; calyx yellowish white tomentose outside; leaves petiolate
(6)
|
Elsholtzia ochroleuca
|
12 (7) |
Inflorescences capitate, loose; annual diffuse herbs
(12)
|
Elsholtzia cephalantha
|
12 (7) + |
Inflorescences spicate, compact; erect herbs (except E. pilosa ).
|
(13)
|
13 (12) |
Inflorescences terminal, axillary; corolla white
(8)
|
Elsholtzia winitiana
|
13 (12) + |
Inflorescences inserted on stem and branch apices; corolla rose-purple or purple.
|
(14)
|
14 (13) |
Plants pilose-hispid; bracts densely, rigid, spreading white ciliate
(13)
|
Elsholtzia pilosa
|
14 (13) + |
Plants pubescent; bracts pubescent or pilose.
|
(15)
|
15 (14) |
Spikes 5(-8) mm in diam. in flower; leaves rhombic-ovate, incised-serrate above base, adaxially sparsely pubescent
(15)
|
Elsholtzia stachyodes
|
15 (14) + |
Spikes 8-10 mm in diam. in flower; leaves ovate to oblong, serrate to crenate, adaxially puberulent or villous.
|
(16)
|
16 (15) |
Plants with strong citral fragrance; calyx apex conspicuously curved forward after anthesis, densely lanate-villous; cultivated species, rarely naturalized
(16)
|
Elsholtzia communis
|
16 (15) + |
Plants without citral fragrance; calyx apex straight curved forward, densely pubescent; native species
(17)
|
Elsholtzia cyprianii
|
17 (1) |
Leaves broadly ovate to subcircular, 8-15 cm
(10)
|
Elsholtzia flava
|
17 (1) + |
Leaves not broadly ovate or subcircular, 0.5-12 cm.
|
(18)
|
18 (17) |
Bracts united into a cup at each node, densely overlapping.
|
(19)
|
18 (17) + |
Bracts free.
|
(22)
|
19 (18) |
Spikes cylindric, not secund
(20)
|
Elsholtzia strobilifera
|
19 (18) + |
Spikes secund.
|
(20)
|
20 (19) |
Corolla white to yellowish; bract with numerous, irregular subulate teeth (entire or 1- or 2-toothed in var. holostegia )
(23)
|
Elsholtzia luteola
|
20 (19) + |
Corolla rose-purple; bracts 1-mucronate.
|
(21)
|
21 (20) |
Stems straight, unbranched or few branched on upper part, with slender, basal stolons; leaves heteromorphic
(21)
|
Elsholtzia heterophylla
|
21 (20) + |
Stems prostrate, ascending, base branched, sometimes with numerous short stolons; leaves not heteromorphic
(22)
|
Elsholtzia bodinieri
|
22 (18) |
Spikes cylindric.
|
(23)
|
22 (18) + |
Spikes secund.
|
(27)
|
23 (22) |
Spikes interrupted at base at anthesis.
|
(24)
|
23 (22) + |
Spikes not interrupted at base.
|
(25)
|
24 (23) |
Corolla yellow; calyx densely yellow moniliform villous, cylindric
(18)
|
Elsholtzia eriostachya
|
24 (23) + |
Corolla purplish; calyx densely purple moniliform villous, subglobose
(19)
|
Elsholtzia densa
|
25 (23) |
Abaxial leaf surface densely puberulent, ± pilose on veins
(27)
|
Elsholtzia oldhamii
|
25 (23) + |
Abaxial leaf surface finely pilose or puberulent.
|
(26)
|
26 (25) |
Plants prostrate, producing adventitious roots on basal part of stem; leaves ovate to ovate- lanceolate; bracts pilose outside
(25)
|
Elsholtzia kachinensis
|
26 (25) + |
Plants erect, without adventitious roots on lower part of stem; leaves lanceolate to linear-lanceolate; bracts glabrous outside
(28)
|
Elsholtzia saxatilis
|
27 (22) |
Leaves 1-1.5 cm, linear to linear-lanceolate
(26)
|
Elsholtzia pygmaea
|
27 (22) + |
Leaves more than 1.5 cm, oblong or ovate to lanceolate.
|
(28)
|
28 (27) |
Leaf blade base rounded to shallowly cordate, auriculate-dentate; corolla rose red, 2-3 mm
(24)
|
Elsholtzia hunanensis
|
28 (27) + |
Leaf blade base attenuate, cuneate, decurrent, rarely rounded; corolla purple to rose-purple, 4.5-8 mm.
|
(29)
|
29 (28) |
Bracts usually discolored, glabrous or subglabrous, margin ciliate.
|
(30)
|
29 (28) + |
Bracts usually purplish at least on veins, long pilose.
|
(31)
|
30 (29) |
Calyx teeth unequal, anterior 2 longer; leaves ovate to elliptic-lanceolate; corolla ca. 4.5 mm
(33)
|
Elsholtzia ciliata
|
30 (29) + |
Calyx teeth subequal; leaves ovate-triangular to oblong-lanceolate; corolla 6-7 mm
(29)
|
Elsholtzia splendens
|
31 (29) |
Calyx teeth ± equal; petiole 8-25 mm; plants 50-100 cm
(30)
|
Elsholtzia argyi
|
31 (29) + |
Calyx teeth unequal, anterior 2 longer; petiole 2-8 mm; plants rarely to 50 cm.
|
(32)
|
32 (31) |
Petiole white floccose; leaf blade lanceolate, base attenuate, margin serrate, apex acuminate; corolla ca. 6 mm
(31)
|
Elsholtzia souliei
|
32 (31) + |
Petiole pubescent; leaf blade ovate, base rounded to broadly cuneate, margin crenate, apex obtuse; corolla ca. 8 mm
(32)
|
Elsholtzia feddei
|