清水马兰 qing shui ma lan

Aster hualiensis S. S. Ying.

Herbs, perennial, 10-25 cm tall, sometimes caespitose; rhizomes long, slender. Stems ascending, simple, finely striate, densely villosulous proximally, strigillose distally, minutely stipitate glandular below leaves. Leaves cauline, gradually reduced upward, abaxially pale green, adaxially green, shiny, abaxially strigillose, minutely stipitate glandular, veins densely strigillose, adaxially scabridulous, margin revolute, sparsely ciliate, midvein prominent abaxially, apex acuminate, mucronate; lowest leaves withered by anthesis, shortly winged petiolate; blade obovate to oblanceolate, 0.7-1.5 cm, base tapering, margin serrulate to serrate; lower to upper leaves shortly petiolate (petiole 0.1-0.2 cm); blade oblanceolate to ovate, 1.2-3 × 0.5-2 cm, base cuneate-rounded to rounded, margin serrate to serrulate; synflorescence leaves shortly petiolate, ovate to lanceolate, 0.5-2.5 × 0.1-0.6 cm, base rounded, margin 1-5-serrate. Capitula 3-50 in terminal, dense corymbiform synflorescences; peduncles 3-30 mm, strigillose; bracts lanceolate, entire. Involucres cylindric-campanulate, 4-5 mm; phyllaries 3-5-seriate, unequal, green distally, ca. 0.7 mm wide, apically strigillose and minutely stipitate glandular, margin scarious, erose, purplish, ciliate, midvein more pronounced distally, ± translucent, apex rounded to obtuse, erose, purplish, ciliate; outer phyllaries broadly ovate, ca. 1 mm; middle phyllaries oblong, 2-2.5 mm, base hardened; inner phyllaries oblong to linear-oblong, 4-4.5 mm. Ray florets 5-10, white, tube strigillose, lamina 3-5 × 1-1.5 mm, eglandular; disk florets yellow, ca. 3 mm, tube base flared, tube apex and limb base hairy and minutely stipitate glandular, limb campanulate, ca. 2 mm, lobes spreading, narrowly triangular, ca. 1 mm, abaxially sparsely minutely stipitate glandular. Achenes oblong, slightly compressed, ca. 2 mm, sparsely strigillose, minutely stipitate glandular, 3-ribbed. Pappus brownish, 4-seriate, dirty white or (innermost) ± reddish; outermost bristles few, 0.5-0.7 mm; outer bristles slender, very few or none, ca. 1.2 mm; inner bristles 2.8-3.2 mm, tapering; innermost bristles 3.5-4 mm, weakly clavate. Fl. and fr. Aug-Nov.

● Limestone crevices and gravel; 2000-2200 m. Taiwan.