KEY TO THE SPECIES OF Satureja L. FROM FLORA OF IRAN

1. Annual ...................................................................................................................................... S. hortensis L.

— Perennial suffruticose .................................................................................................................................. 2

2. Corolla tube exserted from the calyx ........................................................................................................... 3

— Corolla tube non-exserted from the calyx .................................................................................................... 8

3. Corolla blade white ........................................................................................................ S. sahendica Bornm.

— Corolla blade not white (violet, purplish-lilac, rarely yellowish) ................................................................... 4

4. Plants covered with pubescent hairs, leaves broad (obovate, ovate or wide elliptic) ........... S. khuzistanica Jamzad

— Indumentum not as above, leaves narrow .................................................................................................... 5

5. Plants non-aromatic, corolla slender, tube diameter ≤ 1 mm ....................................... S. avromanica Maroofi

— Plants aromatic, corolla non-slender, tube diameter ≥ 1 mm ....................................................................... 6

6. With lemon like fragrance, verticillasters always distant, calyx tubular-campanulate .................................. ........................................................................................................................... S. macrosiphonia Bornm.

— With Satureja hortensis like fragrance, Verticillasters distant or approximate, calyx tubular .......................... 7

7. Lower leaves often broad, calyx teeth straight ................................................. S. longiflora Boiss. & Hausskn.

— Lower leaves not broad, calyx teeth recurved .............................................................. S. macrantha C.A.Mey.

8. Plants caespitose ................................................................................................................ S. isophylla Rech.f.

— Plants non-caespitose .................................................................................................................................. 9

9. Leaves broad (obovate-oblong or obovate-spathulate) ................................................. S. intermedia C.A.Mey.

— Leaves not broad (linear-narrow elliptic, linear-oblanceolate) .................................................................... 10

10. Length of calyx> 4 mm, length of corolla> 7 mm ................................................... S. mutica Fisch. & Mey.

— Length of calyx <4 mm, length of corolla <7 mm ................................................................................... 11

11. Calyx campanulate, 2.5-3 mm, corolla blade white ........................................................ S. bachtiarica Bunge

— Calyx tubular-campanulate, 3-3.5 mm, corolla blade violet ............. S. kermanica Payandeh, Bordbar & Mirtadz.