TABLE 1 in Taxonomic Reevaluation of the Polylepis sericea Complex (Rosaceae), with the Description of a New Species

TABLE 1. Summary of quantitative and qualitative characters that separate species in the P. sericea complex. CharacterP. albicansP. argenteaP. canoiP. ochreataP. sericeaNumber of leaflet pairs4–533–4(5)5–83–4Leaf length (cm)3.5–4.9(2.9)3.3–4.3(4.0)7.9–9.44.3–7.03.9–4.2Leaf width (cm)(2.5–)2.8–3.4(2.6)3.3–4.3(4.2)6.7–7.53.4–4.02.5–3.8RachisDensely sericeousDensely sericeousDensely sericeousSparsely sericeousGlabrousLeaflet shapeEllipticNarrowly ellipticObovateNarrowly ellipticEllipticLeaflet length (cm)1.4–2.0(1.9)2.4–2.6(2.4)3.4–3.91.8–2.71.8–2.1Leaflet width (cm)0.4–0.70.5–0.7(0.8–)1.1–1.50.5–0.70.8–1.0Leaflet marginCrenulateEntireEntire–slightly serrateCrenate–slightly crenateEntireLeaflet apexEmarginateAcute–slightly retuseSlightly emarginateEmarginateEmarginate–retuse GlabrousLeaflet hairs (upper surface)Glabrous–sparsely sericeous(Glabrous with few trichomes mid vein) Densely sericeousGlabrous–sparsely sericeousGlabrous–sparsely sericeousLeaflet hairs (lower surface)Densely sericeousDensely sericeousDensely sericeousSparsely sericeousDensely sericeousLeaflet hair length (mm)0.3–0.50.6–0.91.3–1.70.9–1.20.7–1.0Inflorescence length (cm)3.9–6.6(7.5)7.2–8.18.2–14.55.8–13.03.3–4.5Number of flowers18–215–6(9)12–17(26)(16)21–439–15Number of stamens7–187–1013–159–1513–15Style length (mm)1.4–3.22.7–4.42.4–3.81.9–2.51.9–2.5