TABLE 1 in Adiantum viscosum (Pteridaceae), a new species endemic to sclerophyllous forest of Central Chile

TABLE 1. Morphological differences between Adiantum viscosum and similar species.
A. viscosumA. gertrudisA. glanduliferumA. poiretii f. bottiniScale marginEntireEntireEntireCiliateBlade2–3 pinnate3 pinnate2–3 pinnate2–3 pinnateShape of pinnuleReniform to flabellateRhomboidalSubtrapezoidal to reniformFlabellateConsistency of pinnuleHerbaceousCoriaceousCoriaceous-Margin of pinnuleCrenulate-serrateDeeply incisedCrenulateCrenulateTrichomesCapitate and glandularSimpleSimpleGlandularLength of trichomes<1 mm1–1.5 mm<1 mm<1 mmArrangement of trichomes on the bladeAdaxial and abaxialAdaxial and abaxialAdaxial and/or abaxialAbaxial