1 |
Achene not spinulose-tuberculate |
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(2) |
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Achene spinulose-tuberculate |
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(4) |
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2 (1) |
Leaf blade linear-filiform, 1-2 mm wide; involucre obconic; pappus plumose, 1-1.5 cm. |
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3 J. filifolia |
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Leaf blade broadly linear to elliptic, more than 3 mm wide; involucre cylindric or bowl-shaped; pappus scabrid or barbellate, 0.8-1.2 cm |
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(3) |
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3 (2) |
Leaf blade broadly linear, abaxially grayish white, adaxially green, undivided; involucre cylindric; phyllaries scarious. |
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1 J. multiflora |
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Leaf blade elliptic, obovate, or ovate, green to grayish green, almost concolorous, pinnately dentate, pinnately lobed, or pinnately divided; involucre bowl-shaped; phyllaries leathery. |
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2 J. mongolica |
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4 (1) |
Pappus elements not connate into a ring, persistent |
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(5) |
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Pappus elements basally connate into a ring, caducous |
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(7) |
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5 (4) |
Outer and middle phyllaries with reflexed or slightly bent apex. |
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6 J. dshungarica |
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Outer and middle phyllaries straight, appressed, apex not reflexed |
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(6) |
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6 (5) |
Involucre cylindric, 1.2-1.5 cm in diam.; leaf blade grayish green, almost concolorous, arachnoid floccose. |
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4 J. adenocarpa |
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Involucre bowl-shaped, 2-3 cm in diam.; leaf blade abaxially grayish white and densely tomentose, adaxially green to pale green and glabrous or sparsely arachnoid tomentose. |
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5 J. lanipes |
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7 (4) |
Phyllaries straight, appressed, apex not reflexed. |
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7 J. lipskyi |
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Outer and middle phyllaries with reflexed to patent apex |
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(8) |
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8 (7) |
Herbs (10-)20-45 cm tall; leaf blade of rosette leaves 4-11 × 1-3 cm, green to grayish white, almost concolorous. |
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10 J. chaetocarpa |
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Herbs stemless or with shorter stems 2-10(-20) cm tall; leaf blade of rosette leaves 2-4 × 0.3-1 cm, abaxially grayish white, adaxially green |
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(9) |
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9 (8) |
Herbs stemless or shortly stemmed, to 10 cm tall; leaf blade of rosette leaves lyrately pinnatipartite, lyrately pinnatisect, or pinnately divided, usually some undivided; outer phyllaries sparsely arachnoid, glabrescent, 5-15 mm. |
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8 J. algida |
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Herbs with developed stems, 7-18 cm tall; leaf blade of rosette leaves pinnately dentate to pinnately lobed; outer phyllaries densely arachnoid, 2-5 mm. |
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9 J. kaschgarica |
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