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6. Arisaema sect. Franchetiana (Engler) H. Hara, Bull. Univ. Mus. Univ. Tokyo. 2: 326. 1971.
象头花组 xiang tou hua zu
Arisaema [unranked] Franchetiana Engler, Pflanzenr. 73(IV. 23F): 148. 1920.
Tuber purple outside, globose, base of axillary buds swelling. Leaves 1 or 2; leaf blade 3-foliolate. Spadix unisexual; thecae opening by an apical pore or slit; appendix suberect or apex outwardly recurved, pyramidal or subcylindric, robust, base attenuate into a stipe.
Four species: SW China, N Myanmar; four species (three endemic) in China.
Putative intrasectional hybrids are frequently observed.
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| 1 |
Spathe unfolded before leaf blade, limb shorter than tube, erect or curved forward but not galeate |
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(2) |
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Spathe unfolded after leaf blade, limb longer than tube, arched and pendulous |
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(3) |
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| 2 (1) |
Spathe basically white, tube thick. |
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41 A. candidissimum |
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Spathe basically purple, tube slender. |
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43 A. lichiangense |
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| 3 (1) |
Spathe arched and galeate, enclosing spadix appendix. |
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42 A. franchetianum |
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Spathe arched but not galeate, spadix appendix seen from outside. |
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44 A. fargesii |
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