|
| 1 |
Stems 4-6 times dichotomously branched; trophophylls ovate-triangular, cordate or subcordate at base, conspicuously stipitate. |
|
1 P. phlegmaria |
| + |
Trophophylls ovate or broadly lanceolate, rounded or cuneate at base, stipitate or not |
|
(2) |
| |
|
|
|
| 2 (1) |
Stems soft and pendulous, 6-10 times dichotomously branched; trophophylls ovate, rounded at base, shortly stipitate. |
|
2 P. salvinioides |
| + |
Stems erect or slightly pendulous, 1-3 times dichotomously branched; trophophylls broadly lanceolate, cuneate at base, decurrent, sessile. |
|
3 P. guangdongensis |
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