1 |
Lower lip of corolla entire, longer than the 4-lobed upper lip; stamens declinate |
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(2) |
+ |
Lower lip of corolla 3-lobed; upper lip of corolla
2-lobed or entire; stamens not declinate |
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(5) |
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2 (1) |
Calyx throat internally ± densely villous-bearded |
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(3) |
+ |
Calyx throat internally glabrous or finely pilose |
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(4) |
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3 (2) |
Corolla up to 20 mm long; staminal filaments connate below |
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55 Plectranthus |
+ |
Corolla up to 9 mm long staminal filaments all free |
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59 Ocimum |
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4 (2) |
Upper lobe of calyx 1, with de current margins; lower lip of corolla ± flat; corolla tube straight |
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60 Orthosiphon |
+ |
Upper lip of calyx 3-lobed, margins not decurrent; corolla lower lip cucullate; corolla tube gibbous at base or not |
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54 Isodon |
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|
|
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5 (1) |
Stamens 2; staminal connectives clearly developed, separating the thecae |
|
33 Salvia |
+ |
Stamens 4; staminal connectives not separating the thecae |
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(6) |
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6 (5) |
Calyx upper and lower lips entire, rounded |
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4 Scutellaria |
+ |
Calyx upper and lower lips divided into teeth or lobes |
|
(7) |
|
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|
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7 (6) |
Upper lip of corolla absent; lower lip 5-lobed |
|
2 Teucrium |
+ |
Upper lip of corolla present, emarginate or entire; lower lip 3-lobed |
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(8) |
|
|
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8 (7) |
Base of calyx obliquely inflated; annual plants |
|
10 Drepanocaryum |
+ |
Base of calyx not obliquely inflated; annual or perennial plants |
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(9) |
|
|
|
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9 (8) |
Posterior pair of stamens longer than anterior; calyx dearly 15- veined or ribbed |
|
(10) |
+ |
Posterior pair of stamens shorter than anterior; calyx 10-15-veined |
|
(13) |
|
|
|
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10 (9) |
Fruiting pedicels markedly flattened; calyx teeth closely connivent in fruit; corolla upper lip with 2 internal longitudinal folds; annual |
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13 Lallemantia |
+ |
Fruiting pedicels ± terete; calyx teeth not or scarcely connivent in fruit; corolla upper lip without internal longitudinal folds; annual or perennial |
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(11) |
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11 (10) |
Base of calyx teeth with swollen folds at sinuses |
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12 Dracocephalum |
+ |
Base of calyx teeth without swollen folds |
|
(12) |
|
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12 (11) |
Flowers few or solitary in axils of upper suborbicular leaves, resupinate; high alpine scree plants |
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11 Marmoritis |
+ |
Flowers neither few nor solitary in upper leaf axils, not resupinate; plants of sums or not |
|
9 Nepeta |
|
|
|
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13 (9) |
Calyx teeth 8-10, equal or unequal |
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20 Leucas |
+ |
Calyx teeth 5 |
|
(14) |
|
|
|
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14 (13) |
Inflorescence an ovoid-oblong terminal head; staminal filaments with 2 apical arms |
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15 Prunella |
+ |
Flowers borne in axils of upper leaves, not forming terminal heads; filaments without apical arms |
|
(15) |
|
|
|
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15 (14) |
Slender annual; corolla c. 6 mm long |
|
41 Calamintha |
+ |
Perennial; corolla 6-14 mm long |
|
(16) |
|
|
|
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16 (15) |
Calyx clearly curved; calyx teeth long ciliate; leaves shortly petiolate [native] |
|
42 Clinopodium |
+ |
Calyx not curved; calyx teeth not ciliate; leaves long-petiolate [cultivated] |
|
37 Melissa |