Contains 1 accepted taxa overall.
Characteristics
Classification
Citation
NEPHROLEPIS Schott, Gen. Fil. t. 3. 1834.
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TYPE: Nephrolepis exaltata (Linnaeus) Schott (Polypodium exaltatum Linnaeus) Lectotypified by J. Smith, Hist. Filicum 226. 1875.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Nephrolepis cordifolia var. cordifolia | Narrow sword fern |
Identification Key
1. Rachis and costa adaxially with dense covering of reddish or brown-red hairs (pinnae sometimes irregularly pinnatifid)
1. Rachis and costa adaxially glabrous, pubescent, or scaly (pinnae not irregulalry pinnatifid or rarely so)
2
2. Costa adaxially pubescent with short erect hairs
3
2. Costal adaxially glabrous
5
3. Base of petioles with appressed, stiff, dark brown scales
3. Base of petioles with loose, soft, reddish or light brown scales
4
4. Pinnae mostly falcate; costa sparsely hairy, hairs ca. 0.5 mm long
4. Pinnae mostly straight or nearly so; costa moderately to densely hairy, hairs 0.2-0.4 mm long
5. Pinnae falcate, long-acute to acumiante at the tip, sometimes dichotomously forked
5. Pinnae simple (or sometimes pinnae pinnately divided), generally obtuse to rounded at the tip, not dichotomously forking
6
6. Tubers often present; rachis adaxially with bicolored scales, the central part strongly darker; pinnae glabrous; indusium lunate to deltate-rounded, attached by a broad base
6. Tubers absent; pinnae usually with a few scales near the costa; rachis adaxially with the scales uniformly colored or only slightly paler towards the margins; pinnae with a few scales near costae; indusium reniform or horseshoe-shaped, attached by a narrow sinus
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||