Rock Garden Plants
Draba densifolia Nutt. sect. Chrysodraba 
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FamilyBRASSICACEAE
Genus speciesDraba densifolia Nutt. sect. Chrysodraba
SynonymsDraba caeruleomontana Payson & H.St.John
 Draba mulfordiae Payson
 Draba nelsonii J.F.Macbr. & Payson
Habitatrocky slopes
Altitude800-3700m
Descriptionleaves numerous, crowded, linear, 2-12mm long, ciliate, flowers 3-15 in raceme, petals 2-6mm long, silicles ovoid, 2-7mm long, scabrous hirsute or glabrous
Size5-10cm
Coloryellow
Bloomearly summer
Ca
Typerosette, cushion
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
cuttings of rosettes in late summer
Territory Northern America
     Subarctic America (Alaska )
     Western Canada (Alberta , British Columbia )
     Northwestern U.S.A. (Idaho , Oregon , Washington , Wyoming )
     Southwestern U.S.A. (California , Nevada , Utah)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

BRASSICACEAE

Draba densifolia Nutt., Fl. N. Amer. [Torrey & A.Gray] 1(1): 104 (1838)

Synonyms:
Draba caeruleomontana Payson & H.St.John
Draba caeruleomontana piperi Payson & H.St.John
Draba densifolia caeruleomontana (Payson & H.St.John) H.St.John
Draba densifolia nelsoni (J.F.Macbr. & Payson) O.E.Schulz
Draba glacialis pectinata S.Watson
Draba globosa sphaerulea (J.F.Macbr. & Payson) O.E.Schulz
Draba mulfordiae Payson
Draba nelsonii J.F.Macbr. & Payson
Draba oligosperma pectinata (S.Watson) Jeps.
Draba pectinata (S.Watson) Rydb.
Draba sphaerulea J.F.Macbr. & Payson

Alaska, w. Canada, w. USA
70 ASK 71 ABT BRC 73 IDA ORE WAS WYO 76 CAL NEV UTA

800-3700m

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(c) 1990-2021 RNDr. Pavel Slabý