Rock Garden Plants
Tetraneuris  torreyana (Nutt.) Greene  trib. Helenieae 
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FamilyASTERACEAE
Genus species var.Tetraneuris  torreyana (Nutt.) Greene  trib. Helenieae
SynonymsActinella torreyana Nutt. (basionym)
 Hymenoxys torreyana (Nutt.) K.F.Parker
 Hymenoxys lapidicola S.L.Welsh & Neese
Territory Northwestern U.S.A.Southwestern U.S.A.ColoradoMontanaUtahWyoming
dry, stony grassland
Altitude1300-3100m
Description basal leaves spathulate or oblanceolate, entire, sparsely hirsute, densely glandular punctate, capitula solitary, phyllaries conspicuously scarious, ligules 11-17mm long
Size2-15cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
cuttings in late spring and late summer
BibliographyFlora of North America www.eFloras.org
Compositae Checklist compositae.landcareresearch.co.nz
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(c) 1990-2016 RNDr. Pavel Slabý