SPOT CHARACTERS

1Pinnae
1'Lamina indument
1''Rhachis indument
2Pinnae: Attachment 1-sided
2'Pinnae: Acroscopic base very conspicuously auricled
2''Pinnae: Base narrowed on both sides
2'''Pinnae: Basiscopic base conspicuously auricled
2''''Pinnae: Margin deeply incised
3Lamina indument: Tomentose-flocculose
3'Lamina indument: Scaly, persistent
3''Lamina indument: Soft-hairy
4Rhachis indument: Appressed isodiametric scales
4'Rhachis indument: Dense, rufous scales
4''Rhachis indument: Dense, pale scales
4'''Rhachis indument: Dense, dark scales
4''''Rhachis indument: Dense, scale, ‘scabrous’-looking
4'''''Rhachis indument: Sparse, inconspicuous or absent
4''''''Rhachis indument: Highly dissected scales, appearing as downy tomentum