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Athyriaceae | Family List | Athyriaceae | Athyrium

Athyrium auriculatum Seriz.

耳垂蹄蓋蕨

Athyrium auriculatum
Athyrium auricaulatum

Credit: Liu, Yea-chen

Habitat: Ridge, Edge of forest or side by the trail

Leaf shape: Deltoid

Apex of Leaf: Acuminate

Leaf Division: Bipinnate

Length of Stipe: 15 (10-25)

Length of Lamina: 30 (25-50)

Width of Lamina: 30 (25-40)

Stipe Color: Purple to Stramineous

Free Pinnulate in basal Pinnae: Yes

Form of basal Pinnulate arrangement: Anadromous

Apex of Pinnae: Caudate

Petioled in pinnae: Obvious Petiole (more than 3 mm)

Length of Lowest Pinnae: 18 (15-25)

Wideth of Lowest Pinnae: 6 (5-7)

Lowest pinnae with enlarged basiscopic pinnules (more than 3 mm): No, less than 3 mm

Apex of terminal fragment: Round or Obtuse

Margin of terminal fragment: Crenate

Type of Basal of Pinnule: Petiolulate

Anterior pinna or pinnule auriculate: auricaulate

Lowest Pinnae with shorter basal pinnule: No, basal pinnule similar with next two pinnules

Second Lowest Pinnae with shorter basal pinnule: No, Basal Pinnulate similar with next two

Abaxial Surface of Rachis with Unicellular Hairs ?: Yes, densely coved with unicellular hairs (pubescent)

Abaxial Surface of Rachis with Gland Hairs?: No, there is no gland hairs on it

Abaxial Surface of Coaste with Unicellular Hairs ?: Yes, densely coverd unicellular hairs on costae (pubescent)

Type of Adaxial Costae Spines: Short spines

Spines Existing on Adaxial Costulate: Yes, spines Existing on costulate

Type of Scales on Basal Stipe: Lanceolate

Color of Scales on Basal Stipe: Dark Brown to Black

With Adventitious Bud near the Apex of Leave: No, adventitious buds absent

Sori Position: Closed to midrib

Type of Rhizome: Short Erect

Geographic Distribution: Endermic in Taiwan

Altitude: 1700 (1400-1900)


 

Related Objects Image Gallery 
  • Abaxial surface of pinnae (Liu, Yea-chen)
  • Image/JPEG
  • Adaxial surface of pinnae (Liu, Yea-chen)
  • Image/JPEG
  • Athyrium auricaulatum (Liu, Yea-chen)
  • Image/JPEG

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