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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Leontopodium

14. Leontopodium japonicum Miquel, Ann. Mus. Bot. Lugduno-Batavi. 2: 178. 1866.

薄雪火绒草 bao xue huo rong cao

Herbs, perennial, from tufted rhizomes. Stems slender to rather stout, leafy throughout or only at apex, erect, 10-55 cm tall, 1-3 mm in diam.; internodes 4-20(-40) mm. Leaves (10-)20-30, mainly cauline; middle leaves ovate to linear, 15-80 × 3-15 mm, abaxially whitish lanate, adaxially green and glabrous or thinly lanate, base abruptly narrowed, apex acute to acuminate. Capitula several, arranged in dense or sparse terminal corymbs, 3-4.5 mm in diam.; bracteal leaves 5-8, loosely arranged, ovate to oblong-lanceolate, 10-30 × 3-8 mm, smaller than upper leaves, adaxially sordid yellow tomentose. Involucre subglobose, 4-5 × 3.5-4.5 mm; phyllaries 3-seriate, densely hairy abaxially, apex acute or acuminate. Marginal florets female; corolla capillary, ca. 2 mm; achenes ca. 1 mm, ± papillose. Disk florets bisexual; corolla subtubular, ca. 3 mm, sterile. Pappus white, ca. 3.5 mm. Fl. Jun-Sep, fr. Sep-Oct.

Forests, thickets, grassy, pebbly, or dry slopes, gravelly areas, open rocks; 700-2300 m. Anhui, Gansu, Henan, Hubei, Jiangsu, Shaanxi, Shanxi, Sichuan, Zhejiang [Japan].

1 Leaves ovate to oblong-ovate; bracteal leaves ovate; internodes 4-8 mm.   14c var. saxatile
+ Leaves obovate-lanceolate to lanceolate to linear; bracteal leaves oblong-lanceolate; internodes 5-20(-40) mm   (2)
2 (1) Stems stout, 2-3 mm in diam., usually densely leafy only at apex; leaves obovate-lanceolate to lanceolate, 4-15 mm wide, apex acute; capitula arranged in sparse corymbs, 3.5-4.5 mm in diam.   14a var. japonicum
+ Stems slender, ca. 1 mm in diam., densely leafy throughout; leaves linear-lanceolate to linear, 3-4 mm wide, apex acuminate; capitula arranged in dense corymbs, ca. 3 mm in diam.   14b var. microcephalum

Lower Taxa


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