TABLE 1 in Typification and taxonomy of Echinophora scabra (Echinophoreae, Apioideae)

TABLE 1. Morphologic, anatomic and micromorphologic comparison of E. scabra and related species, E. sibthorpiana and E. tenuifolia
CharacterE. scabraE. sibthorpianaE. tenuifoliastempaucifoliousleafyleafyUmbel diameter3.2–4 cm1.8–2.8 cm2.2–3 cmRaypurplish flattened at basegreen cylindricalgreen cylindricalBractlets distributionspread over the umbellulaarranged in a circlearranged in a circleNumber of umbellula’s male pedicels4–58–106–8Length of umbellula’s male pedicels2–4.5 mm5–8 mm3–5.5 mmUmbellula’s central flower’s sepalabsentpresentpresentLength of umbellula’s male flowers’ sepal1.2–7 mm0–1.5 mm0.2–3 mmPetals shapeobovate, emarginateobovateobovateLength of style2–3.7 mm1.6–2.5 mm1.5–2 mmStyle indumentumalmost glabrouspubescentpubescentMericarp position in umbellulaalmost surrounded in pedicel cavityfreefreeSmall mericarp shape in transverse sectionalmost roundcrescent-shapecrescent-shapeHypodermal collenchymaabsent or few layersmultilayersmultilayersVallecular vittae shapelarge ellipticsmall ellipticsmall ellipticWidth to thickness ratio of vallecular vittae in large mericarp2.5–4.9 (–7.5)1.9–3.81.7–2.7Commissural vittae shapelarge ellipticsmall ellipticsmall ellipticWidth to thickness ratio of median vascular bundle in large mericarp10–13.58.6–10.17–9Width to thickness ratio of lateral vascular bundles in large mericarp8–134.1–76.5–7Width to thickness ratio of marginal vascular bundles in large mericarp6.7–133.5–85–9Relative size of vascular bundles and vallecular vittaevascular bundles smaller than vallecular vittaevascular bundles larger than vallecular vittaevascular bundles larger than vallecular vittaeWidth to thickness ratio of endosperm0.9– 0.931–1.21.01ratio of endosperm furrow depth to endosperm thickness0.55–0.60.68–0.720.76Length of mericarp’s hair30–460 µ20–150 µ7–88 µMericarp’s hair in transvers sectionround or almost flatalmost roundalmost roundSize of the platelet secretions on mericarp surface2.5–8 µ5–20 µ2.5–50 µ