Rock Garden Plants
Pteryxia  hendersonii (J.M.Coult. & Rose) Mathias & Constan.   
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FamilyAPIACEAE
Genus species var.Pteryxia  hendersonii (J.M.Coult. & Rose) Mathias & Constan. 
SynonymsPseudocymopterus hendersonii J.M.Coult. & Rose (basionym)
 Aletes hendersonii (J.M.Coult. & Rose) W.A.Weber
 Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist
Territory Northwestern U.S.A.Southwestern U.S.A.South-Central U.S.A.ColoradoIdahoMontanaNevadaNew MexicoUtahWyoming
rocky slopes
Altitude1800-2200m
Description taproot, acaulescent, leaves in outline narrowly oblong, bipinnatisect, ultimate segments rigid, acute, umbels above leaves, involucre absent, involucel bracts conspicuous
Size10-30cm
Coloryellow
Bloomsummer
Ca
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed when ripe or as soon as possible
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
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Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý