Description
Hairs on lower surface of rachis pale, curved, spreading, 0.6 mm long, on upper surface similar but appressed.
Distribution
Asia-Tropical: Philippines (Philippines present), Mindoro present, Mt Halcon present
Malesia: Philippines (Mindoro: Mt Halcon).
Notes
This specimen was named Dryopteris bordenii (here placed as a variety of S. hetero- carpus) by Christ, but has much wider pinnae and setiferous sporangia and elongate aerophores; it is near S. magnus, but smaller.
