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11. Polystichum sect. Micropolystichum Tagawa, Acta Phytotax. Geobot. 9: 122. 1940.
小形耳蕨组 xiao xing er jue zu
Polystichum ser. Exgemmifera W. M. Chu & Z. R. He.
Plants small-sized. Lamina lanceolate, 1-pinnate. Pinnae deeply or shallowly pinnatifid. Pinnae ovate or oblong, indistinctly toothed, mucronate. Sori abaxial or terminal on veinlets. Indusia large, membranous, erose.
About six species: montane to alpine regions in Asia; six species (five endemic) in China.
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| 1 |
Pinnae with clavate microscales on both surfaces. |
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46 P. zayuense |
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Pinnae without clavate microscales |
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(2) |
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| 2 (1) |
Pinnae often pinnatifid to lobed 1/2 distance to midrib |
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(3) |
| + |
Pinnae often pinnatipartite to pinnatisect |
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(4) |
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| 3 (2) |
Stipe obviously shorter than lamina; lamina thickly papery; pinnae 25-45 pairs, approximate; mature sori distant from midrib. |
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50 P. setillosum |
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Stipe nearly as long as lamina; lamina papery; pinnae 10-16 pairs, distant from each other; mature sori next to midrib. |
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51 P. costularisorum |
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| 4 (2) |
Lamina acuminate; pinnae acute at apex. |
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47 P. jiucaipingense |
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Lamina acuminate or long caudate; pinnae acuminate at apex |
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(5) |
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| 5 (4) |
Lamina long caudate at apex; pinnae with linear brown microscales. |
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48 P. thomsonii |
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Lamina shortly acuminate or acute at apex; pinnae subglabrous on both surfaces. |
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49 P. longidens |
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Lower Taxa
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