TABLE 2. Morphological comparisons between Ixeridium malingheense and I in Ixeridium malingheense (Asteraceae), a new species from southwestern Guizhou, China

TABLE 2. Morphological comparisons between Ixeridium malingheense and I. yunnanense.
CharactersIxeridium malingheenseIxeridium yunnanenseHeight (cm)6–258–15Basal leavesCrowded, long-spatulate or spatulate, apex mucronateRosette, elliptic, lanceolate, or oblanceolate; margin entire or weakly sinuate-dentate, apex acute to rounded and mucronulateSize of basal leaves (mm)18–34 × 5–1310–25 × 5Petiole (mm)Pronounced, ca. 30–55Base attenuate into an unwinged petiole-like portion, ca. 10 to absentFlorets of capitula6–711Outer phyllaries1-seriate2-seriate, unequalAchene (mm)Brown or pale brown, subfusiform, compressed, ca. 2.0–3.0 × 0.5–1.0Yellowish brown, subfusiform, ca. 3.2 × 0.6Beak (mm)0.4–0.61.0Pappus (mm)Straw-coloured, ca. 2–3Straw-coloured, ca. 4Flowering periodMarch to MayJuneDistributionMa-ling River Canyon, Guizhou, growing on exposed limestone along river banks in the canyon, alt. 890 mFengqing, Yunnan, growing on the hillside grassland, alt. 1700 m