1 |
Plants stemless or shortly stemmed, less than 10 cm tall; capitula usually in center of leaf rosette, exceeded by leaves |
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(2) |
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Plants with well-developed flowering stems, usually more than 10 cm tall; capitula usually solitary and terminal on stem or sometimes several in a corymbiform or paniculiform synflorescence |
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(20) |
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2 (1) |
Leaf blade undivided with margin entire, shallowly crenate, or sinuate-dentate |
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(3) |
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Leaf blade bipinnatisect, pinnatisect, pinnately lobed, or pinnately dentate |
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(5) |
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3 (2) |
Leaf blade 1-4 cm; involucre narrowly campanulate, 1-1.5 cm in diam |
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185 S. dschungdienensis |
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Leaf blade 3-11 cm; involucre broadly campanulate, 2-3.5 cm in diam |
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(4) |
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4 (3) |
Leaf blade narrowly elliptic to linear, 0.4-1.2 cm wide; inner phyllaries to 1.5 cm; achene transversely rugose. |
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172 S. lhunzhubensis |
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Leaf blade elliptic, 1-3.5 cm wide; inner phyllaries 2-2.5 cm; achene smooth. |
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184 S. arenaria |
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5 (2) |
Leaf blade bipinnatisect or pinnatisect with split segments |
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(6) |
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Leaf blade simply pinnatisect, pinnately lobed to pinnately dentate, or lyrate-pinnately lobed |
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(7) |
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6 (5) |
Leaf blade narrowly elliptic, 6-15 cm; involucre campanulate, 2-2.5 cm in diam. |
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180 S. colpodes |
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Leaf blade narrowly elliptic-linear, 3-5 cm; involucre cylindric to narrowly campanulate, 1-1.5 cm in diam. |
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186 S. lavrenkoana |
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7 (5) |
Leaf blade adaxially grayish green, ± arachnoid tomentose |
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(8) |
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Leaf blade adaxially green, glabrous, scabrid and strigose, or sparsely arachnoid |
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(9) |
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8 (7) |
Involucre 2-3 cm in diam.; receptacle without bristles; leaf blade obovate-oblong to elliptic, 2-4 cm wide; phyllaries whitish, with a purple mucro. |
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178 S. porphyroleuca |
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Involucre 1-2 cm in diam.; receptacle with bristles; leaf blade narrowly ovate-elliptic,. 3-1.5 cm wide; phyllaries purplish red, without a purple mucro. |
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187 S. andryaloides |
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9 (7) |
Capitula several in a clustered or lax corymbiform synflorescence; involucre ovoid or campanulate, 0.5-1.2 cm in diam |
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(10) |
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Capitula always solitary; involucre usually campanulate, 1-4 cm in diam |
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(11) |
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10 (9) |
Plants usually stemless, 1-5 cm tall; leaf blade narrowly elliptic to linear, 0.5-1.5 cm wide; capitula usually 3-10, in a clustered synflorescence; pappus brown, in 1 row. |
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183 S. salwinensis |
+ |
Plants with a ± developed stem, 5-10(-15) cm tall; leaf blade obovate to narrowly obovate, 1-3 cm wide; capitula usually 2-5, in a lax synflorescence; pappus dirty white, in 2 rows. |
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191 S. nimborum |
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11 (9) |
Leaf blade abaxially pale green, subglabrous, sparsely pilose on veins and margin. |
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188 S. andersonii |
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Leaf blade abaxially grayish green or grayish white, densely tomentose or thinly to moderately lanate |
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(12) |
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12 (11) |
Outer pappus bristles 8-11 mm, plumose; leaf blade abaxially thinly to moderately lanate. |
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197 S. donkiah |
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Outer pappus bristles 1-6 mm, scabrid; leaf blade abaxially densely tomentose |
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(13) |
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13 (12) |
Leaf blade adaxially smooth, sparsely arachnoid. |
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195 S. leiocarpa |
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Leaf blade adaxially scabrid, strigose or glandular, or glabrous but not arachnoid |
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(14) |
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14 (13) |
Leaf blade linear, 0.3-0.8 cm wide |
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(15) |
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Leaf blade narrowly elliptic, oblong, or obovate, 0.8-4 cm wide |
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(16) |
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15 (14) |
Leaf blade pinnately lobed or pinnately dentate; involucre broadly campanulate, 2-2.5 cm in diam. |
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189 S. purpurascens |
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Leaf blade runcinately pinnatisect; involucre narrowly campanulate, 0.6-1 cm in diam. |
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190 S. nyalamensis |
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16 (14) |
Leaf blade narrowly elliptic, oblong, or broadly linear, pinnatisect; leaf blade lateral lobes 8-20 pairs |
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(17) |
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Leaf blade obovate or narrowly obovate, lyrate or pinnately lobed; leaf blade lateral lobes 3-8 pairs |
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(18) |
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17 (16) |
Achene smooth; leaf blade 4-30 × 1-4 cm; leaf blade lateral lobes 8-20 pairs; involucre 2-4 cm in diam.; phyllaries sparsely pilose. |
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194 S. kansuensis |
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Achene transversely rugose; leaf blade 3-18 × 0.8-2.5 cm; leaf blade lateral lobes 8-12 pairs; involucre 1-3 cm in diam.; phyllaries glabrous. |
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193 S. leontodontoides |
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18 (16) |
Plants stemless, to 3 cm tall; leaf blade obovate-elliptic, 1.5-4.5 × 0.8-1.5 cm. |
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192 S. ceterach |
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Plants stemless or shortly stemmed, 3-10 cm tall; leaf blade obovate to narrowly obovate, 3-12 × 1-3 cm |
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(19) |
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19 (18) |
Leaf blade shallowly pinnately lobed; involucre ovoid, 0.5-1.2 cm in diam. |
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191 S. nimborum |
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Leaf blade lyrate-pinnately lobed; involucre campanulate, 1.2-1.5 cm in diam. |
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196 S. brachylepis |
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20 (1) |
Capitula several, in a paniculiform or corymbiform synflorescence |
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(21) |
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Capitulum solitary, or rarely 2 or 3, terminal on stem |
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(23) |
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21 (20) |
Capitula 4-15, in a paniculiform synflorescence, pedunculate; leaf blade green and glabrous on both surfaces. |
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162 S. incisa |
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Capitula 2-20, clustered in corymbiform synflorescence, subsessile; leaf blade abaxially grayish white and densely tomentose, adaxially green |
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(22) |
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22 (21) |
Capitula 2-5(-8); involucre campanulate, 1-1.5 cm in diam.; phyllaries subglabrous, inner ones 1.3-1.6 cm. |
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181 S. lingulata |
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Capitula 3-20; involucre ovoid to globose, 0.6-1 cm in diam.; phyllaries sparsely villous, inner ones to 1 cm. |
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182 S. przewalskii |
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23 (20) |
Leaf blade green on both surfaces, glabrous or subglabrous |
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(24) |
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Leaf blade abaxially grayish green or grayish white and densely tomentose, arachnoid, or lanate, adaxially green and glabrous, subglabrous, or sparsely arachnoid |
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(26) |
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24 (23) |
Leaf blade pinnatisect, lateral segments linear, margin entire. |
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163 S. henryi |
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Leaf blade runcinate-pinnately lobed, lateral lobes narrowly triangular-falcate, semiorbicular, or triangular, margin dentate |
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(25) |
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25 (24) |
Stem and petioles subglabrous or whitish pubescent; leaf blade adaxially subglabrous; involucre 0.8-1.7 cm in diam.; outer pappus bristles plumose. |
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164 S. eriostemon |
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Stem and petioles densely covered with pale brown multicellular articulate hairs; leaf blade adaxially scabrid, strigose; involucre 1.5-2.5 cm in diam.; outer pappus bristles scabrid. |
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165 S. scabrida |
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26 (23) |
Leaf blade bipinnately lobed or bipinnatisect. |
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167 S. centiloba |
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Leaf blade not bipinnately lobed or bipinnatisect but rather simply pinnately lobed, pinnatisect, or rarely undivided |
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(27) |
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27 (26) |
Leaf blade undivided with margin entire, sinuate, denticulate, or dentate |
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(28) |
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Leaf blade runcinate-pinnately lobed, or pinnatisect |
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(30) |
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28 (27) |
Leaf blade linear to narrowly elliptic, less than 1 cm wide (if wider then leaf blade pinnatisect). |
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168 S. yunnanensis |
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Leaf blade elliptic, obovate, or oblong, 1-2 cm wide |
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(29) |
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29 (28) |
Outer phyllaries reflexed; corolla ca. 2 cm. |
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173 S. paleacea |
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Outer phyllaries not reflexed; corolla ca. 1.5 cm. |
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174 S. limprichtii |
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30 (27) |
Leaf blade adaxially grayish green and ± arachnoid tomentose, lyrate pinnately lobed; receptacle without bristles; phyllaries whitish, densely arachnoid tomentose, with purple mucro. |
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178 S. porphyroleuca |
+ |
Leaf blade adaxially green and glabrous, pubescent, glandular, or strigose, pinnately lobed to pinnatisect; receptacle with bristles; phyllaries not arachnoid, without purple mucro |
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(31) |
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31 (30) |
Leaf blade adaxially glabrous or subglabrous |
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(32) |
+ |
Leaf blade adaxially scabrid, pubescent, glandular hairy, strigose, or sparsely arachnoid |
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(35) |
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32 (31) |
Stem ca. 5 mm in diam. at base; capitula large; involucre 2.5-3.5 cm in diam.; phyllaries densely villous. |
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177 S. wardii |
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Stem 2-3 mm in diam. at base; capitula small; involucre 1.5-2.5 cm in diam.; phyllaries sparsely villous or glabrous |
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(33) |
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33 (32) |
Leaf blade runcinately pinnatisect; leaf blade segments narrowly triangular-linear, strongly reclinate, margin revolute. |
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168 S. yunnanensis |
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Leaf blade pinnately lobed; leaf blade lobes obliquely triangular, patent or recurved, margin not revolute |
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(34) |
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34 (33) |
Leaf blade 5-15 × 1-2.5 cm; leaf blade lobes 5-7 pairs. |
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166 S. taraxacifolia |
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Leaf blade 2-6.5 × 0.6-1.7 cm; leaf blade lobes 2-5 pairs. |
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169 S. leptolepis |
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35 (31) |
Outer phyllaries usually reflexed, apical part green and herbaceous |
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(36) |
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Outer phyllaries erect, appressed, apical part straw-colored or brownish to blackish purple and not herbaceous |
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(37) |
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36 (35) |
Leaf blade lyrate, pinnately lobed, or subpinnatisect; involucre 1.5-2 cm in diam.; basal leaves usually shorter than flowering stem. |
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175 S. semilyrata |
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Leaf blade pinnatisect; segments coarsely dentate; involucre 2-3.5 cm in diam.; basal leaves usually longer than flowering stem. |
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179 S. pachyneura |
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37 (35) |
Leaf blade runcinate-pinnately lobed, sometimes lyrate; leaf blade lobes 3-8 pairs, obliquely triangular; capitula large; involucre 2.5-3.5 cm; outer phyllaries narrowly triangular-subulate. |
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176 S. subulisquama |
+ |
Leaf blade pinnatisect; leaf blade lobes 7-13 pairs, narrowly oblong or narrowly triangular-ovate; capitula medium-sized; involucre 1-2.5 cm in diam.; outer phyllaries narrowly ovate-triangular |
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(38) |
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38 (37) |
Lateral leaf blade lobes 7-13 pairs, narrowly oblong, apex rounded and mucronate. |
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170 S. polypodioides |
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Lateral leaf blade lobes 10-20 pairs, narrowly triangular-ovate, apex acuminate. |
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171 S. coriacea |
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