|
| 1 |
Stalks of basal pinnae 3-4 cm |
|
(2) |
| + |
Stalks of basal pinnae ca. 1 cm |
|
(4) |
| |
|
|
|
| 2 (1) |
Sori exindusiate. |
|
124 D. dehuaensis |
| + |
Sori indusiate |
|
(3) |
| |
|
|
|
| 3 (2) |
Scales on stipe, rachis, and pinna rachis black; indusium entire. |
|
122 D. sordidipes |
| + |
Scales on stipe, rachis, and pinna rachis brown; indusium ciliate. |
|
123 D. xunwuensis |
| |
|
|
|
| 4 (1) |
Lamina pentagonal, as long as broad, tripinnate, ultimate pinnules pinnatipartite |
|
(5) |
| + |
Lamina deltoid-oblong or ovate, much longer than broad, bipinnate or tripinnate, ultimate pinnules entire or pinnatilobate |
|
(6) |
| |
|
|
|
| 5 (4) |
Scales on stipe light brown; pinnae and pinnules distinctly stalked. |
|
125 D. amurensis |
| + |
Scales on stipe black; pinnae and pinnules subsessile. |
|
126 D. formosana |
| |
|
|
|
| 6 (4) |
Ultimate pinnules or segments ovate; stipe base densely scaly, scales brown, linear-lanceolate. |
|
127 D. yongdeensis |
| + |
Ultimate pinnules or segments lanceolate; stipe base with narrowly lanceolate scales, scales black, brown, or bicolorous |
|
(7) |
| |
|
|
|
| 7 (6) |
Scales on stipe base wholly black. |
|
128 D. pacifica |
| + |
Scales on stipe base brown or bicolorous |
|
(8) |
| |
|
|
|
| 8 (7) |
Scales on stipe base brown, hairlike at apex |
|
(9) |
| + |
Scales on stipe base bicolorous, brown on base and margin, black at center and apex |
|
(10) |
| |
|
|
|
| 9 (8) |
Lamina bipinnate, caudate-acuminate; sori larger, usually in 1 row on either side of pinna rachis. |
|
129 D. immixta |
| + |
Lamina bipinnate to tripinnate, acute; sori smaller, scattered on either side of pinna rachis. |
|
130 D. varia |
| |
|
|
|
| 10 (8) |
Scales on stipe and rachis deflexed. |
|
131 D. saxifraga |
| + |
Scales on stipe and rachis not deflexed, scattered or appressed |
|
(11) |
| |
|
|
|
| 11 (10) |
Rachis and pinna rachis densely covered with bullate scales. |
|
132 D. setosa |
| + |
Bullate scales sparse on rachis and pinna rachis. |
|
133 D. sacrosancta |
|
