TABLE 1. Main morphological differences between Alkanna assadii and A in A new endemic species of Alkanna (Lithospermeae: Boraginaceae) from hilly environments of west Iran

TABLE 1. Main morphological differences between Alkanna assadii and A. frigida.
CharactersA. assadiiA. frigidaHabiterectcaespitosePlant height (cm)20–358–20Basal leaf length (cm)5–123–10Basal leaf shapeovate-lanceolate, acuteoblong to ovate, obtuseCauline leaf size (mm)30–50 × 4–1510–20 × 3–5Cauline leaf shapeovate-lanceolate or oblanceolate, sub auriculate or truncate at baseoblong to linear, attenuate at the baseSetae size (mm)0.8–20.5–0.8Gland size (mm)0.10.4–0.5Corolla colororange-pale yellow adaxially-abaxiallysulfur yellow (occasionally with purple spots adaxially), brown-purple abaxiallyOutside of corollaglabroussparsely with short trichomesInside of corollawith short glands below the junction of the corolla lobes to the lower surface of the filament of two lower stamenswith short glands in the junction of the corolla lobes to the tube to the upper surface of the filament of two lower stamensCorolla length (mm)13–1814–15Pedicel length (mm)3–41–2Calyx length (mm) in flower10–123–5Bract shapelanceolateoblong to ovateBract length (mm)12–215–10Bract width (mm)4–62–5Habitathilly regions at altitudes between 2500 and 2550 mmountainous regions at altitudes between 1950 and 3500 m