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Character Definitions for Neotropical Polystichum Database
- baPESCHU1: color at basal petiole-scale center—NBS Munsell color-chip numbers
- baPESCHU2: color at basal petiole-scale edge—NBS Munsell color-chip numbers
- baPESCHU3: boundary between basal petiole-scale center and edge—diffuse (0) or sharp (1)
- baPESCMG: basal petiole scales conform (0), marginate only at base (1), marginate throughout (2)
- baPESCSE1: cilia on basal petiole scales—absent (0), present, (1), abundant (2)
- baPESCSE2: cilia on basal petiole scales—short (0), long (1)
- baPESCSE3: cilia on basal petiole scales—narrow, weak (0); broad, robust (1)
- baPESCtw: basal petiole scales—flat (0), twisted (1)
- PRSCSH: pinna-rachis scale shape—character states are length-width ratios viz. 1,5,10,20,30,40
- PRSCHU: pinna-rachis scale color—NBS Munsell color-chip numbers
- PRSCSE: pinna-rachis scale cilia—absent (0), basal only (1), throughout (2)
- LALN: lamina length—metric
- LADS: lamina dissection—10 is 1-pinnate, 20 is 2-pinnate, 3 is 3-pinnate; entire is 0, crenate 3, pinnatifid 5, pinnatisect 8 (so 2ptpf is 25).
- LAtipSH: lamina tip shape—acute (0) acuminate (1) attenuate (2)
- BU: bulbil subapical on lamina—absent (0) present (1)
- baPIAB: lowest pinna length—metric in mm
- baPICD: lowest pinna basal acroscopic pinnule length—metric in mm
- baPIDE: lowest pinna basal basiscopic pinnule length—metric in mm
- baPIFG: lowest pinna second acroscopic pinnule length—metric in mm
- baPIGH: lowest pinna second basiscopic pinnule length—metric in mm
- baPIIJ: lowest pinna medial acroscopic pinnule length—metric in mm
- baPIJK lowest pinna medial basiscopic pinnule length—metric in mm
- 2ndPIAB: second pinna length—metric in mm
- mePIdis: distance between 2 adjacent central pinnae—metric in mm
- mePIAB: medial pinna length—metric in mm
- mePICD: medial pinna basal acroscopic pinnule length—metric in mm
- mePIDE: medial pinna basal basiscopic pinnule length—metric in mm
- mePIFG: medial pinna second acroscopic pinnule length—metric in mm
- mePIGH: medial pinna second basiscopic pinnule length—metric in mm
- mePIIJ: medial pinna medial acroscopic pinnule length—metric in mm
- mePIJK medial pinna medial acroscopic pinnule length—metric in mm:
- PU l:w: length-width ratio of medial pinnule on medial pinna
- PUrev: ultimate segments revolute: not (0), somewhat (1), very (2)
- PUauricle: ratio of ultimate-segment auricle to rest of width at base
- PUtip: shape of ultimate-segment tip: obtuse to round (0), acute (1), acuminate (2)
- #mePU: number of ultimate segments
- SOPO: sorus position—terminal (0), abaxial (1)
- TI: true-indusium diameter—metric in mm.
version of January 9, 2006
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