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4. Subtribe SENECIONINAE
千里光亚族 qian li guang ya zu
Authors: Yilin Chen, Ying Liu, Qiner Yang, Bertil Nordenstam, Charles Jeffrey & Leszek Vincent
Antheropodia balusterform, with enlarged marginal basal cells; endothecial tissue with usually radial cell wall thickenings, rarely scattered; stigmatic areas usually discrete, rarely contiguous or confluent; gametic chromosome number usually 20 or 10, less often 52, 50, 30, 23, 22, 19, or 5.
About 100 genera and 2,500 species: worldwide (except Antarctica); nine genera (one endemic, three introduced) and 135 species (74 endemic, six introduced) in China.
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| 1 |
Anther bases with sterile caudate auricles |
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(2) |
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Anther bases without sterile caudate auricles, obtuse to sagittate |
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(3) |
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| 2 (1) |
Plants erect or subscandent, without prehensile petioles. |
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106 Synotis |
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Plants scandent, with basally thickened, prehensile petioles. |
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107 Cissampelopsis |
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| 3 (1) |
Involucre not calyculate |
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(4) |
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Involucre calyculate |
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(6) |
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| 4 (3) |
Capitula homogamous, discoid. |
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112 Emilia |
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Capitula radiate |
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(5) |
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| 5 (4) |
Leaves cauline, palmately veined; ray lamina variously colored (never yellow). |
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113 Pericallis |
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Leaves rosulate, pinnately veined; ray lamina white. |
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114 Hainanecio |
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| 6 (3) |
Style branches erect, with long, subulate, papillose appendages. |
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111 Gynura |
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Style branches recurved, without papillose appendages |
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(7) |
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| 7 (6) |
Marginal female florets filiform. |
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110 Erechtites |
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Marginal female florets radiate or absent |
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(8) |
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| 8 (7) |
Apex of style branches without a central appendage of fused papillae. |
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108 Senecio |
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Apex of style branches with a central appendage of fused papillae. |
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109 Crassocephalum |
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Lower Taxa
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