| Pteridophyte | Literature for Cystopteris douglasii
Palmer, 2003. |
| Cystopteidaceae | Bibliography |
| Cystopteris douglasii | |
| General Information | ||
|---|---|---|
| Distribution | Hawaiian Islands.In the Hawaiian Islands, endemic to Maui, Hawai`i. | |
| Habitat | Mesic forest and cave mouths | |
| Elevation | 1500-3000 m |
|
| Leaves |
Stipes straw-colored, thin, 0.5-1.5 mm diameter at base, glabrous, 1/3-1/2 frond length; blade ovate-lanceolate, dark green, tips obtuse, 10-30 x 4-10 cm; rachises slightly winged, especially toward tips; pinnae linear-triangular, tips blunt, stalks 1-2 mm long, slightly winged, margin often crenulate, dentate; pinnules close, erect to slightly oblique, broad, 2-3 x longer than wide, margin conspicuously and coarsely dentate. |
|
| Sori |
Sori medial; indusia small hoodlike, attached at base. |
|
| Notes |
Name honors David Douglas (1798-1834), Scottish botanist who collected plants in North America, China, and Hawai1i and introduced many American plants to Europe, including the Douglas fir that bears his name. |
|
| Contributor |
Nancy Khan |