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Athyriaceae | Family List | Athyriaceae | Athyrium

Athyrium strigillosum (T. Moore ex E.J. Lowe) Salomon

生芽蹄蓋蕨

Japan, China, Nepal, N. India. Type from Nepal.

Habitat: Edge of forest or side by the trail, Understory of Forest

Leaf shape: Broad-Lanceolate

Apex of Leaf: Acuminate

Leaf Division: Bipinnate

Length of Stipe: 15 (10-25)

Length of Lamina: 30 (25-50)

Width of Lamina: 20 (15-40)

Stipe Color: Stramineous, Green

Free Pinnulate in basal Pinnae: Yes

Form of basal Pinnulate arrangement: Opposite

Apex of Pinnae: Acuminate

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

Length of Lowest Pinnae: 6 (4-8)

Wideth of Lowest Pinnae: 3 (2-4)

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

Apex of terminal fragment: Round or Obtuse, Acute

Margin of terminal fragment: Serrulate

Type of Basal of Pinnule: Constricted, Petiolulate

Anterior pinna or pinnule auriculate: not 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

Type of Adaxial Costae Spines: Long-soft 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: Yes, adventitious bud existing

Sori Shape: Short straight, Curved

Sori Position: Closed to midrib

Type of Rhizome: Short Erect

Geographic Distribution: Taiwan - Himalaya

Altitude: 2500 (2000-2800)


 

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