Rock Garden Plants
Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist  
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FamilyAPIACEAE
Genus speciesCymopterus hendersonii (J.M.Coult. & Rose) Cronquist 
SynonymsPseudocymopterus hendersonii J.M.Coult. & Rose
 Pseudopteryxia longiloba Rydb.
Habitatrocky slopes
Altitude1800-2200m
Descriptiontaproot, 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
Territory Northern America
     Northwestern U.S.A. (Colorado , Idaho , Montana , Wyoming )
     Southwestern U.S.A. (Nevada , Utah )
     South-Central U.S.A. (New Mexico)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
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Comments

APIACEAE

Cymopterus hendersonii (J.M.Coult. & Rose) Cronquist, Vasc. Pl. Pacif. N. W. [C.L. Hitchc. & al.] 3: 527 (1961)

Basionym:
Pseudocymopterus hendersonii J.M.Coult. & Rose, Contr. U.S. Natl. Herb. 7: 190 (1900)

Synonyms:
Aletes hendersonii (J.M.Coult. & Rose) W.A.Weber
Pseudopteryxia hendersonii (J.M.Coult. & Rose) Rydb.
Pteryxia hendersonii (J.M.Coult. & Rose) Mathias & Constance

Aletes longiloba (Rydb.) W.A.Weber
Cymopterus longilobus (Rydb.) W.A.Weber
Pseudocymopterus anisatus longilobus (Rydb.) Tidestr.
Pseudopteryxia longiloba Rydb.

nw. & s. USA
73 COL IDA MNT WYO 76 NEV UTA 77 NWM

1800-2200m

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