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3. Canarium Linnaeus, Amoen. Acad. 4: 121. 1759.
橄榄属 gan lan shu
Trees evergreen. Branchlet pith usually with vascular strands. Leaves alternate, odd-pinnate, stipulate or exstipulate. Flowers in terminal or axillary panicles, unisexual. Calyx cupular or campanulate, 3-lobed or -fid, valvate. Petals 3, imbricate below or valvate, usually exceeding calyx. Stamens 6, free to connate, inserted on margin or outside of disk. Ovary 2- or 3-celled; ovules 2 in each cell; style short to long; stigma capitate. Drupe usually ellipsoid, ± distinctly trigonous, with a 1-3-celled, 1-3-seeded pyrene; cotyledons often partite, contortuplicate.
About 75 species: mainly in tropical Africa, Asia to NE Oceania and Pacific islands; seven species in China.
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| 1 |
Plants exstipulate or stipules very early deciduous |
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(2) |
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Plants stipulate, stipules usually early deciduous but leaving a scar |
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(4) |
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| 2 (1) |
Center of branchlet pith without vascular strands; cross section of drupe acutely triangular. |
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4 C. parvum |
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Center of branchlet pith with scattered vascular strands; cross section of drupe not acutely triangular |
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(3) |
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| 3 (2) |
Leaflet blades with entire margin; cross section of drupe nearly rounded. |
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2 C. pimela |
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Leaflet blades with somewhat sinuate or toothed margin; cross section of drupe rounded or rounded triangular. |
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7 C. strictum |
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| 4 (1) |
Leaflets 6-8(-10) pairs; cross section of drupe acutely triangular, apex of drupe sometimes truncate. |
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6 C. bengalense |
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Leaflets usually less than 6 pairs; cross section of drupe not acutely triangular, apex of drupe acuminate or obtuse |
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(5) |
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| 5 (4) |
Leaflet blades with shallowly serrate or sinuate margin, both surfaces ± pubescent. |
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5 C. subulatum |
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Leaflet blades with entire margin, abaxially minutely verrucose |
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(6) |
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| 6 (5) |
Leaflet blades 13-20 × 6-8 cm; inflorescences extra-axillary (2-3 cm from axil), infructescences ca. 30 cm. |
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3 C. tonkinense |
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Leaflet blades 6-14 × 2-5.5 cm; inflorescences axillary, infructescences 1.5-15 cm. |
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1 C. album |
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Lower Taxa
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