1a.

Leaves with 1–2 pairs of marginal glands at the base (Fig. 22B), up to 2.2 cm long; stamens 7–13; pedicels articulated

52. Antidesma vaccinioides

1b.

Leaves eglandular, up to 30 cm long; stamens 2–6; pedicels not articulated

2

2a.

Leaf apex retuse, rounded or obtuse

3

2b.

Leaf apex acute or acuminate

4

3a.

Leaves usually oblong, rounded to cordate, rarely acute basally, (2–)3–4.5(–9) cm wide. Leaves: petioles 4–17 by 0.7–1 mm. Stipules 3–6 mm long. Inflorescences 4–8 cm long, consisting of 10–20 branches. Stamens 4–6

21. Antidesma ghaesembilla

3b.

Leaves spathulate, cuneate-acute basally, (0.7–)1–2.5(–3.5) cm wide. Leaves: petioles 1.5–4 by 0.5–0.7 mm. Stipules 1–3 mm long. Inflorescences c. 3 cm long, simple. Stamens 2–4

47. Antidesma spatulifolium

4a.

Midvein raised adaxially. Sepals free or nearly so; stamens 2–3; disc glabrous

10. Antidesma contractum

4b.

Midvein impressed to flat adaxially. Sepals fused or free; stamens 2–6. Disc hairy or glabrous

5

5a.

Flowers on pedicels 2–4 mm long; calyx twice as long as wide. Pistillode c. 1.5 by 0.5–1 mm

8. Antidesma chalaranthum

5b.

Flowers sessile or pedicels up to 2 mm long; calyx shorter than to hardly longer than wide; pistillode up to 1 by 0.5 mm

6

6a.

Stipules 3–4mm wide

46b. Antidesma riparium subsp. ramosum

6b.

Stipules up to 3 mm wide

7

7a.

Flowers 3–4 by c. 3 mm, sessile, with cheesy smell (of bat’s droppings), attracting flies. Inflorescences (6–)15–25 cm long; stamens exserted 1.5–2 mm from the calyx. Anthers c. 0.5 by 0.7 mm; disc glabrous. Often cultivated

5. Antidesma bunius

7b.

Flowers 1–3 by 1–3 mm, sessile or pedicellate, without cheesy smell. Inflorescences 1.5–13 cm long; stamens exserted 0.5–1.5 mm from the calyx. Anthers 0.2–0.5 by 0.2–0.7 mm; disc glabrous

8

8a.

Disc cushion-shaped, enclosing the bases of the filament and pistillode (Fig. 3A; observe carefully especially when disc is hairy; dried flowers may have to be softened)

9

8b.

Disc extrastaminal-annular (Fig. 3B), or consisting of free lobes (Fig. 3C)

10

9a.

Sepals fused for 2/3–3/4 of their length, never glandular-fimbriate; disc ferrugineous- to ochraceous-pubescent on top; stamens 2 or 3. Pistillode absent. Leaves with hairtuft domatia in the axils between the midvein and secondary veins abaxially (Fig. 2B). Inflorescences 1.5–5 cm long

45. Antidesma rhynchophyllum

9b.

Sepals free, to fused to halfway, often glandular-fimbriate; disc usually glabrous, indumentum whitish; stamens 3–5; pistillode present. Leaves without domatia. Inflorescences 3–13 cm long

33. Antidesma montanum

10a.

Sepals free. Flowers 2–3 by 2–3 mm, sessile. Inflorescences consisting of 10–20 branches

(21. Antidesma ghaesembilla)

10b.

Sepals fused for at least 1/2 of their length. Flowers 1–2 by 1–2 mm, sessile or pedicellate. Inflorescences simple, or consisting of up to 10 branches

11

11a.

Leaves: petioles 1–3 by c. 0.5 mm. Leaves 2.2–8.5 by 1–3 cm, usually ovate, chartaceous, without domatia in the axils between the midvein and secondary veins abaxially (Fig. 2B). Plant slender in all parts

12

11b.

Leaves: petioles more than 3 mm long and/or more than 0.5 mm wide. Leaves 4–30 by 2–13.5 cm, usually elliptic, chartaceous to coriaceous, with or without domatia. Plant not particularly slender

13

12a.

Inflorescences 4–6 cm long; pedicel absent. Flowers 3-merous; disc consisting of 3 free alternistaminal lobes (Fig. 3C), ferrugineous-pubescent on top. Indumentum appressed or lacking

9. Antidesma concinnum

12b.

Inflorescences c. 2 cm long; pedicels c. 1.5 mm long. Flowers 4-merous. Disc extrastaminal-annular, glabrous (Fig. 3B). Indumentum spreading

25. Antidesma cf. jucundum

13a.

Disc consisting of free lobes (Fig. 3C; observe carefully; dried flowers may have to be softened). Flowers 1–2 by 1–1.5 mm

14

13b.

Disc extrastaminal-annular (Fig. 3B). Flowers 1.5–2 by 1– 2 mm

16

14a.

Leaves: petioles 15–45 by 1.5–2 mm; stamens 2–4. Stipules ovate, 3.5–6 by 2–2.5 mm. Leaves (10–)15–29 by (5–)7.5–13.5 cm, tertiary venation well-differentiated from finer venation, not tessellated (Fig. 9A); hairtuft domatia present (Fig. 2B)

41. Antidesma petiolatum

14b.

Leaves: petioles 5–18 by 0.5–1.5 mm; stamens 4–5. Stipules linear, c. 10 by 1.5 mm. Leaves 4–11(–16) by 2–5(–6.5) cm, tertiary venation hardly differentiated from finer venation, giving it a tessellated appearance (Fig. 9D); domatia absent

15

15a.

Leaves glabrous, or puberulous only along the midvein adaxially and along the major veins abaxially

35a. Antidesma myriocarpum var. myriocarpum

15b.

Leaves hairy all over abaxially

35b. Antidesma myriocarpum var. puberulum

16a.

Leaves glabrous, or hairy only along the midvein adaxially and along the major veins abaxially. Indumentum lacking or whitish to pale yellow. Flowers sessile. Occasionally cultivated

18a. Antidesma excavatum var. excavatum

16b.

Leaves hairy all over abaxially. Indumentum pale yellow to ferrugineous. Flowers sessile or pedicellate

17

17a.

Flowers sessile

18b. Antidesma excavatum var. indutum

17b.

Flowers on pedicels (0.5–)1–2mm long

19. Antidesma ferrugineum