1 |
Heads 9-15-flowered; leaves ovate-lanceolate. |
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Eupatorium amabile |
+ |
Heads 5(-8)-flowered; leaves various. |
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(2) |
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2 (1) |
Heads 5-8-flowered, leaves nearly glabrous; plant littoral. |
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(3) |
+ |
Heads 5-flowered, leaves more or less short pubescent. |
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(4) |
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3 (2) |
Leaves ovate to broadly ovate, apex obtuse to acute, base rounded to cordate. |
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Eupatorium hualienense |
+ |
Leaves ovate-lanceolate or ovate-oblong, apex long acuminate, base obtuse. |
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Eupatorium kiirunense |
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4 (2) |
Lower surface of leaves not glandular punctate (at 10×magnification). |
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(5) |
+ |
Lower surface of leaves glandular punctate (at 10×magnification). |
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(6) |
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5 (4) |
Leaves ovate, 5-9 cm long, margins serrate, base obtuse. |
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var. clematideum |
+ |
Leaves triangular-ovate, 3-3.5 cm long, margins dentate, base truncate. |
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var. gracillimum |
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6 (4) |
Leaves 3-parted or cleft. |
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subsp. asiaticum |
+ |
Leaves simple. |
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(7) |
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7 (6) |
Leaves pinnately veined, 9-15 cm long. |
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var. tozanense |
+ |
Leaves trinerved, 3-8 cm long. |
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(8) |
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8 (7) |
Leaves linear-lanceolate |
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Eupatorium shimadai |
+ |
Leaves ovate, ovate-oblong. |
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