Character;"M. dadoensis";"M. chinensis";"M. hangchouensis*" Habitat;;"open rocky area along the coast";"grassy slope, forest edge, wet land";"sunny side of hill peak, forest edge, and under forest along the coast" Plant;"height (cm)";10–60;10–40;20–120 Stem;trichome;"densely pubescent with white recurved hairs and moderately intermixed with white villous";"densely pubescent with white recurved hairs";"pubescent, brown glandular sometime intermixed with spreading pilose hairs" "Leaf blade";shape;"lanceolate to lance-ovate";"linear to linear-lanceolate";lanceolate size;"1–3 cm × 4–10 mm";"1–5 cm × 1.3–4 mm";"1.5–4.2 cm × 5–13 mm" Corolla;"length (mm)";8–9;5–6;"ca. 10" "length ratio of corolla/calyx";"ca. 2.0";"ca. 1.5";"ca. 3.0" Pistil;"relative length to corolla";included;included;"clearly exserted" Nutlet;shape;ellipsoid;"globose to subglobose";"globose to subglobose" "diameter (mm)";0.9–1.3;1.0–1.2;"ca. 2.1" "extended area of abscission scar";"narrowly U-shaped at the ventral side";"widely U-shaped at the ventral side";"widely U-shaped at the ventral side" "ratio of abscission scar/nutlet diameter";0.51–0.53;0.61–0.69;NA "outline of surface cell";"tetragonal to hexagonal";rounded;"tetragonal to hexagonal" "anticlinal walls of surface";"straight, thin";"curved, thick";"straight, thin" "Flowering and fruiting";"August to November";"June to October";"June to September"