Rock Garden Plants
Erysimum capitatum (Douglas) Greene  
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FamilyBRASSICACEAE
Genus speciesErysimum capitatum (Douglas) Greene 
SynonymsCheiranthus capitatus Douglas
 Erysimum elatum Nutt.
 Erysimum greenei Polatschek
Habitatgrassland and rocks
Altitude0-1700m
Descriptionbasal leaves numerous, variable, petals 15-25mm, siliques usually slightly compressed, in cross-section square, ascendent or erect, 3-10cm long
Size10-50cm
Colororange, red, yellow
Bloomlate spring, summer
Ca
Typesubshrub
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Colorado , Idaho , Oregon , Washington )
     North-Central U.S.A. (Illinois , Iowa , Missouri , Oklahoma )
     Northeastern U.S.A. (Indiana , Ohio )
     Southwestern U.S.A. (Arizona , California , Nevada )
     South-Central U.S.A. (New Mexico , Texas )
     Southeastern U.S.A. (Arkansas , Tennessee )
     Mexico (Mexico Central , Mexico Northeast , Mexico Gulf , Mexico Southwest)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
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Comments

BRASSICACEAE

Erysimum capitatum (Douglas) Greene, Fl. Francisc. 269 (1891)

Basionym:
Cheiranthus capitatus Douglas, Fl. Bor,.-Amer. [Hooker] 1(1): 38 (1829)

Synonyms:
Erysimum asperum capitatum (Douglas) B.L.Turner
=============================================================================
capitatum typicum ined.

Synonyms:
Cheiranthus angustatus Greene
Cheiranthus elatus (Nutt.) Greene
Cheiranthus wheeleri (Rothr.) Greene
Cheirinia elata (Nutt.) Rydb.
Cheirinia wheeleri (Rothr.) Rydb.
Erysimum arenicola torulosum (Piper) C.L.Hitchc.
Erysimum arkansanum angustifolium Scheele
Erysimum arkansanum latifolium Scheele
Erysimum arkansanum medium Scheele
Erysimum asperum arkansanum (Nutt.) A.Gray
Erysimum asperum bealianum Jeps.
Erysimum asperum elatum (Nutt.) Torr.
Erysimum asperum lompocense (Rossbach) B.L.Turner
Erysimum asperum stellatum J..T.Howell
Erysimum capitatum angustatum (Greene) Rossbach
Erysimum capitatum bealianum (Jeps.) Rossbach
Erysimum capitatum lompocense (Rossbach) Kartesz
Erysimum capitatum stellatum (J.T.Howell) Twisselm.
Erysimum capitatum washoense Rossbach
Erysimum elatum Nutt.
Erysimum greenei Polatschek
Erysimum insulare angustatum (Greene) Jeps.
Erysimum macradenium J.Gay
Erysimum moniliforme Eastw.
Erysimum suffrutescens lompocense Rossbach
Erysimum tilimii J.Gay
Erysimum torulosum Piper
Erysimum wheeleri Rothr.

USA, Mexico
73 COL IDA ORE WAS 74 ILL IOW MSO OKL 75 INI OHI 76 ARI CAL NEV 77 NWM TEX 78 ARK TEN 79 MXC MXE MXG MXS

capitatum purshii (Durand) Rollins, Crucif. Continental N. Amer. 482 (1993)

Basionym:
Erysimum asperum purshii Durand, Trans. Amer. Philos. Soc., ser. 2, 11: 159 (1860)

Synonyms:
Cheiranthus alpestris (Cockerell) A.Heller
Cheiranthus argillosus Greene
Cheiranthus aridus A.Nelson
Cheiranthus asperrimus Greene
Cheiranthus bakeri Greene
Cheiranthus nivalis Greene
Cheiranthus nivalis amoenus Greene
Cheiranthus oblanceolatus (Rydb.) A.Heller
Cheiranthus radicatus (Rydb.) A.Heller
Cheirinia amoena (Greene) Rydb.
Cheirinia argillosa (Greene) Rydb.
Cheirinia arida (A.Nelson) Rydb.
Cheirinia asperrima (Greene) Rydb.
Cheirinia bakeri (Greene) Rydb.
Cheirinia brachycarpa Rydb.
Cheirinia desertorum Wooton & Standl.
Cheirinia inconspicua Rydb.
Cheirinia nivalis (Greene) Rydb.
Cheirinia nivalis radicata (Rydb.) Cockerell
Cheirinia oblanceolata (Rydb.) Rydb.
Cheirinia radicata (Rydb.) Rydb.
Erysimum amoenum (Greene) Rydb.
Erysimum angustatum Rydb.
Erysimum argillosum (Greene) Rydb.
Erysimum aridum (A.Nelson) A.Nelson
Erysimum asperrimum (Greene) Rydb.
Erysimum asperum alpestre Cockerell
Erysimum asperum amoenum (Greene) Reveal
Erysimum asperum angustatum (Rydb.) B.Boivin
Erysimum asperum pumilum S.Watson
Erysimum bakeri (Greene) Rydb.
Erysimum capitatum amoenum (Greene) R.J.Davis
Erysimum capitatum argillosum (Greene) R.J.Davis
Erysimum capitatum nivale (Greene) N.H.Holmgren
Erysimum cockerellianum Daniels
Erysimum desertorum (Wooton & Standl.) Rossbach
Erysimum nivale (Greene) Rydb.
Erysimum oblanceolatum Rydb.
Erysimum radicatum Rydb.

Subarctic America, w. & s. USA, n. Mexiko
70 ASK YUK 73 COL IDA MNT WYO 76 ARI CAL NEV UTA 77 NWM TEX 79 MXE MXN

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