Eared Spleenwort

Asplenium erosum

Description 10

Rhizome erect to sub-erect, up to 10 mm; scales dark brown, entire, attenuate, up to 6 mm. Fronds tufted, not proliferous, dimorphe. Sterile fronds half the size of the fertile fronds. Stipe 8-22 cm, glabrous. Lamina 8-26 cm × 3.2-8.5 cm, pinnate to 2-pinnate, triangular-lanceolate in outline. Pinnae lanceolate, apex obtuse to acute, base asymmetrical cuneate, margins incised more than 1/2 way to the costa becoming pinnatifid towards the pinnae base with a free basal acroscopic lobe; venation pinnate. Rhachis subglabrous. Sori oval, set along the costa, indusium entire. 

National distribution 11

United States
Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Sources and Credits

  1. (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC), https://www.zimbabweflora.co.zw/speciesdata/images/10/102410-5.jpg
  2. (c) Petra Ballings, some rights reserved (CC BY-NC), https://www.zimbabweflora.co.zw/speciesdata/images/10/102410-1.jpg
  3. (c) Petra Ballings, some rights reserved (CC BY-NC), https://www.zimbabweflora.co.zw/speciesdata/images/10/102410-6.jpg
  4. (c) Petra Ballings, some rights reserved (CC BY-NC), https://www.zimbabweflora.co.zw/speciesdata/images/10/102410-2.jpg
  5. (c) Petra Ballings, some rights reserved (CC BY-NC), https://www.zimbabweflora.co.zw/speciesdata/images/10/102410-3.jpg
  6. (c) Ingrid P. Lin, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10093187
  7. (c) Ingrid P. Lin, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10047249
  8. (c) Ingrid P. Lin, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10176388
  9. (c) Ingrid P. Lin, some rights reserved (CC BY-NC-SA), https://collections.nmnh.si.edu/services/media.php?env=botany&irn=10077471
  10. (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC), http://eol.org/data_objects/30274588
  11. (c) NatureServe, some rights reserved (CC BY-NC), http://eol.org/data_objects/29141364

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