Character/Data Set Information   

Key to Athyrium By Yea-Chen Liu         Search

1: Leaf shape [Unordered List]

• 1. Lanceolate   (4 taxa)
• 2. Broad-Lanceolate   (4 taxa)
• 3. Deltoid   (9 taxa)

• 1. Abrupt   (3 taxa)
• 2. Acuminate   (13 taxa)

• 1. Pinnate   (1 taxon)
• 2. Bipinnatifid   (5 taxa)
• 3. Bipinnate   (9 taxa)
• 4. Tripinnatifid   (2 taxa)
• 5. Tripinnate and more complex   (1 taxon)

• 1. Purple   (4 taxa)
• 2. Purple to Stramineous   (5 taxa)
• 3. Stramineous   (9 taxa)
• 4. Green   (5 taxa)

• 1. Yes   (11 taxa)
• 2. No   (4 taxa)

• 1. Opposite   (9 taxa)
• 2. Anadromous   (5 taxa)

• 1. Caudate   (3 taxa)
• 2. Acute   (4 taxa)
• 3. Acuminate   (8 taxa)
• 4. Rounded

• 1. Obvious Petiole (more than 3 mm)   (8 taxa)
• 2. Short Petiole (less than 3 mm)   (4 taxa)
• 3. Sessile   (4 taxa)

• 1. Yes, more than 3 mm   (2 taxa)
• 2. No, less than 3 mm   (11 taxa)

• 1. Round or Obtuse   (8 taxa)
• 2. Acute   (6 taxa)
• 3. Acuminate   (2 taxa)

• 1. Entire   (1 taxon)
• 2. Crenate   (5 taxa)
• 3. Serrulate   (6 taxa)
• 4. Denticulate   (2 taxa)
• 5. Deep Lobed   (3 taxa)

• 1. Broadly adnate   (5 taxa)
• 2. Constricted   (4 taxa)
• 3. Petiolulate   (8 taxa)

• 1. auricaulate   (2 taxa)
• 2. not auricaulate   (11 taxa)

• 1. Yes, basal pinnule shorter than next two   (3 taxa)
• 2. No, basal pinnule similar with next two pinnules   (10 taxa)

• 1. Yes, Basal Pinnulate shorter than next two   (2 taxa)
• 2. No, Basal Pinnulate similar with next two   (11 taxa)

• 1. Yes, densely coved with unicellular hairs (pubescent)   (6 taxa)
• 2. Yes, but loosely covered with unicellular hairs (glabrate)
• 3. No, glabrous   (6 taxa)

• 1. Yes, there are rare gland hairs on rachis   (4 taxa)
• 2. No, there is no gland hairs on it   (8 taxa)

• 1. Yes, densely coverd unicellular hairs on costae (pubescent)   (5 taxa)
• 2. Yes, loosely covered unicellular hairs on costae (glabrate)
• 3. No, there is no unicellular hairs on costae (glabrous)   (7 taxa)

• 1. None   (2 taxa)
• 2. Short spines   (8 taxa)
• 3. Long-soft spines   (4 taxa)

• 1. Yes, spines Existing on costulate   (8 taxa)
• 2. No, spines Absent on costulate   (5 taxa)

• 1. Lanceolate   (11 taxa)
• 2. Ovate   (2 taxa)

• 1. Yellow Brown   (6 taxa)
• 2. Dark Brown to Black   (4 taxa)
• 3. Shiny Black   (3 taxa)

• 1. Yes, adventitious bud existing   (1 taxon)
• 2. No, adventitious buds absent   (12 taxa)

• 1. Short straight   (10 taxa)
• 2. Curved   (7 taxa)
• 3. Reniform   (2 taxa)
• 4. Diplazium type   (2 taxa)

• 1. Only close to costae
• 2. Closed to midrib   (9 taxa)
• 3. Middle of veinlet   (4 taxa)

• 1. Rugate Type   (2 taxa)
• 2. Cristate-Retate Type   (2 taxa)
• 3. Reticulate Type

• 1. Long Creeping
• 2. Short Erect   (13 taxa)
• 3. Long Erect   (1 taxon)

• 1. Endermic in Taiwan   (4 taxa)
• 2. Taiwan - Himalaya   (3 taxa)
• 3. Taiwan - Japan   (3 taxa)
• 4. East Asia   (3 taxa)
• 5. Asia

• 1. Open, un-shaded   (1 taxon)
• 2. Ridge   (5 taxa)
• 3. Edge of forest or side by the trail   (12 taxa)
• 4. Understory of Forest   (7 taxa)
• 5. Valley or near stream   (1 taxon)