''Leontopodium sibiricum'', Cass. Stem simple, bearing numerous oblong-linear, often webby leaves: flowers. borne in a densely corymbose cluster, white, and nearly twice the size of the preceding. Russia. Can be grown roadily at much lower elevations than ''L. alpinum''. | ''Leontopodium sibiricum'', Cass. Stem simple, bearing numerous oblong-linear, often webby leaves: flowers. borne in a densely corymbose cluster, white, and nearly twice the size of the preceding. Russia. Can be grown roadily at much lower elevations than ''L. alpinum''. |