Anacardiaceae

Key to the genera of Anacardiaceae View in CoL in Vietnam

1. Carpels free, sometimes 1-carpel developed ( Anacardieae )..................................................... 2

1. Carpels connate ( Spondieae, Rhoideae, Semecarpeae )...8

2. Stamens 30–35, arranged in many whorls .......................................................... Melanorrhoea View in CoL

2. Stamens 4–12, arranged in 1–2 whorls........ 3

3. Stamens twice the number of petals (8–12), arranged in 2 whorls.......................................... 4

3. Stamens equal to the number of petals (4–5), arranged in 1 whorl ........................................... 5

4. Flowers bisexual; stamens equal, without staminode; ovary enclosed by a disk; peduncle caducous ...................................................................... Buchanania View in CoL

4. Flowers bisexual or unisexual; stamens unequal with staminode, 1 stamen fertile; ovary without a disk; peduncle fleshy, .................... Anacardium View in CoL

5. Flowers bisexual without staminode............... 6

5. Flowers bisexual or unisexual with staminode...7

6. Leaves alternate; ovary without a disk.......... Gluta View in CoL

6. Leaves opposite or verticillate; ovary enclosed by a disk................................................................... Bouea View in CoL

7. Flowers without a disk; petal accrescent with fruit into wings; endocarp without crustaceous endocarp ............................................... Swintonia View in CoL

7. Flowers with a disk; petal not accrescent with fruit; endocarp crustaceous..................... Mangifera View in CoL

8. Gynoecium with 4–5 connate carpels, locules 4–5 ( Spondieae)....................................................................9

8. Gynoecium with 1–3 connate carpels, locule 1 ( Rhoideae, Semecarpeae ). .................................... 15

9. Lianas............................................................. Pegia View in CoL

9. Trees.................................................................. 10 10. Perianth 4-merous...................................... Lannea View in CoL

10. Perianth 5-merous .......................................... 11

11. Perianth imbricate ........................................... 12

11. Perianth valvate................................................ 14

12. Flowers bisexual............................ Dracontomelum

12. Flowers unisexual (polygamo-dioecious or dioecious) .......................................................13

13. Female flowers axillary, solitary or 2–3 flowers; male flower panicled.................... Choerospondias View in CoL

13. Female and male flowers panicled ... Pleiogynium View in CoL

14. Endocarp crustaceous; lateral veins gradually extend to create intramarginal veins ...... Spondias View in CoL

14. Endocarp not crustaceous; lateral veins do not create intramarginal veins.................... Allospondias View in CoL

15. Leaves pinnately compound; ovary superior ( Rhoideae)............................................................. 16

15. Leaves simple; ovary superior or inferior ( Semecarpeae ) ....................................................... 20

16. Petal and sepals in 1 whorl........................................17

16. Petal completely reduced or left calyx in 1 whorl ......................................................... Pistacia View in CoL

17. Stamens twice the number of petals (8–10) in 2 whorls................................................................ 18

17. Stamens equal to petals (4–5) in a single whorl..19

18. Flowers bisexual; drupaceous, oblong ovoid ............................................................ Pentaspadon View in CoL

18. Flowers unisexual; drupaceous globose....... Schinus View in CoL

19. Inflorescences terminal; exocarp ciliate and glandular hair............................................... Rhus View in CoL

19. Inflorescences axillary; exocarp smooth ........................................................... Toxicodendron View in CoL

20. Ovary superior.................................................... 21

20. Ovary inferior ................................................22

21. Fruit with mesocarp and endocarp...... Melanochyla View in CoL

21. Fruit with hypocarp............................. Semecarpus View in CoL

22. Flowers polygamous; perianth imbricate; stigma 1............................................ Drimycarpus View in CoL

22. Flowers unisexual; perianth valvate; stigma 3 ............................................................. Holigarna View in CoL