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1a. |
Leaves with 1–2 pairs of marginal glands at the base (Fig. 22B), up to 2.2 cm long. Pistillate plants unknown |
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1b. |
Leaves eglandular, up to 30 cm long |
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Leaf apex retuse, rounded or obtuse. Fruits with terminal style |
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2b. |
Leaf apex acute or acuminate. Fruits with lateral to terminal style |
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Leaves usually oblong, base rounded to cordate, rarely acute, (2–)3–4.5(–9) cm wide. Leaves: petioles 4–17 by 0.7–1 mm. Stipules 3–6 mm long. Infructescences 4–7 cm long, usually much-branched, consisting of (1–)10–20 branches. Fruits pilose, 3–4(–5) by 2.5–3(–3.5) mm |
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3b. |
Leaves spathulate, base cuneate-acute, (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. Infructescences 1.5–3 cm long, simple. Fruits glabrous, 4–6 by 3–5 mm |
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Midvein raised adaxially. Sepals free or nearly so; disc glabrous. Fruits and ovaries glabrous, with terminal style |
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4b. |
Midvein impressed to flat adaxially. Sepals fused to free; disc hairy or glabrous. Fruits and ovaries glabrous or hairy, with lateral to terminal style |
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Stipules 3–4mm wide. Fruits, ovaries and disc pilose |
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5b. |
Stipules up to 3 mm wide. Fruits, ovaries and disc glabrous or hairy |
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Calyx 1–1.5 by c. 1.5 mm, sepals fused for 2/3–3/4 of their length. Fruits 5–11 mm long, always laterally compressed. Inflorescences (4–)8–17 cm long, infructescences 10–17 cm long; disc glabrous. Leaves glabrous or nearly so, without domatia. Often cultivated |
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6b. |
Calyx 0.4–1 by 0.4–1.5 mm, sepals free or fused. Fruits 2–5 mm long and laterally compressed, or up to 8 mm long and terete. Inflorescences 1.5–10 cm long, infructescences 2–20 cm long; disc hairy or glabrous. Leaves glabrous or hairy, with or without domatia |
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Fruits with a terminal (Fig. 3G) to subterminal (Fig. 3J) style |
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7b. |
Fruits with a distinctly lateral style (Fig. 3L) |
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Leaves: petioles 15–45 by 1.5–2 mm. Leaves 10–30 cm long. Fruits 2–3 mm long |
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8b. |
Leaves: petioles 2–18 by 0.5–2 mm. Leaves 2–30 cm long. Fruits 2.5–15 mm long |
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Sepals free or nearly so |
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9b. |
Sepals fused for half or more of their length |
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Fruits terete, (3–)4–8(–8) mm long; fruiting pedicels 1–4 mm long. Sepals often glandular-fimbriate. Leaves: petioles 1–2 mm wide. Leaves 2–6.6 times as long as wide, base acute to obtuse, rarely rounded. Inflorescences 4–10 cm long; infructescences 6–20 cm long, simple or consisting of up to 5 branches. Sepals free, to fused to half of their length, glabrous to pilose outside. Ovaries and fruits usually glabrous |
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10b. |
Fruits laterally compressed, 3–4(–5) mm long; fruiting pedicels 0–2 mm long. Sepals never glandular-fimbriate. Leaves: petioles 0.7–1 mm wide. Leaves 1–2.25 times as long as wide, base rounded to cordate, rarely acute. Inflorescences 2–3 cm long; infructescences 3–7 cm long, consisting of (1–)10–20 branches. Sepals free, pubescent outside. Ovaries pubescent, fruits pilose |
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Infructescences 6–20 cm long; fruiting pedicels 1–4 mm long. Fruits (3–)4–6(–8) by 2.5–4(–6) mm. Leaves without domatia in the axils between the midvein and secondary veins abaxially (Fig. 2B). Sepals often glandular-fimbriate. Leaves: petioles 1–2 mm wide |
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11b. |
Infructescences 2–6 cm long; fruiting pedicels 0–1(–2.5) mm long. Fruits 2.5–4(–6) by 2–3 mm. Leaves with hairtuft domatia. Sepals never glandular-fimbriate. Leaves: petioles 0.5–1.5 mm wide |
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Leaf base acute-cuneate. Leaves usually dull, tertiary venation well-differentiated from finer venation, not tessellated (Fig. 9A). Leaves: petioles 2–7 mm long. Stipules 1–3 by 0.2–0.7(–1) mm. Inflorescences 1.5–3 cm long; disc with long hairs (about as long as the disc) at the margin |
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12b. |
Leaf base rounded to cordate, rarely obtuse. Leaves usually shiny, tertiary venation hardly differentiated from finer venation, giving it a tessellated appearance (Fig. 9D). Leaves: petioles (5–)7–18 mm long. Stipules c. 10 by 1.5 mm. Inflorescences 4–7 cm long; disc glabrous or with short hairs (much shorter than the disc) outside and at the margin |
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Leaves glabrous, or puberulous only along the midvein adaxially and along the major veins abaxially |
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13b. |
Leaves hairy all over abaxially |
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Leaves: petioles 1–3 by 0.5–1 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). Fruits 4–6 mm across |
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14b. |
Leaves: petioles (2–)3–30 by 1–3 mm. Leaves 4–30 by 2–13.5 cm, usually elliptic, chartaceous to coriaceous, with or without domatia. Fruits 2.5–15 mm across |
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Indumentum appressed or lacking |
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15b. |
Indumentum spreading |
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Exocarp in dry material loosely enfolding the endocarp, thick, neither areolate nor reticulate, without ridges or keels, brittle, minutely scaly. Fruits globose, not compressed. Infructescences simple, more rarely consisting of of 2–4branches |
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16b. |
Exocarp in dry material closely enfolding the endocarp, thin, reticulate, areolate or wrinkled (fleshy when fresh), not brittle or scaly. Fruits laterally compressed. Infructescences simple or branched |
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Leaves: petioles 3–6 by 1–1.5 mm. Leaves 5.5–10 by 2.5–5 cm. Inflorescences, infructescences and pedicels slender; fruiting pedicels 3–4 mm long |
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17b. |
Leaves: petioles (2–)6–30 by 1–3 mm. Leaves (5–)7–30 by (2–)3–13.5 cm. Inflorescences, infructescences and pedicels not particularly slender. Fruiting pedicels 0.2–3(–5) mm long |
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18a. |
Leaves glabrous, or hairy only along the midvein adaxially and along the major veins abaxially. Indumentum lacking or whitish to pale yellow. Fruits glabrous to sparsely pilose. Occasionally cultivated |
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18b. |
Leaves hairy all over abaxially. Indumentum pale yellow to ferrugineous. Fruits pilose |
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Fruits (3–)5–8 by (3–)5–6 mm; calyx bowl-shaped to cupular, sepals fused for 2/3–4/5 of their length; disc at anthesis longer than or as long as the calyx; fruiting pedicels 0.3–5mm long |
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19b. |
Fruits 2.5–3.5 by 2–3 mm; calyx campanulate with a truncate base, sepals fused for 2/3–4/5 of their length; disc at anthesis shorter than the calyx; fruiting pedicels 0.2–1.5 mm long |