Rock Garden Plants
Pediomelum megalanthum (Wooton & Standl.) Rydb. trib. Psoraleeae 
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FamilyFABACEAE
Genus speciesPediomelum megalanthum (Wooton & Standl.) Rydb. trib. Psoraleeae
SynonymsPsoralea megalantha Wooton & Standl.
Habitatdry, stony grassland
Descriptionleaflets 5-6, obovate, 1-3cm long, abaxially densely white strigose, adaxially sparsely strigose, peduncles 1-4cm long, raceme 2cm long, calyx lobes subulate, corolla 2cm long
Size10-15cm
Colorpurple
Bloomsummer
Ca
Typetuft
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationscarified seed in spring, germ. 1-3 months, 16-21°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Colorado )
     Southwestern U.S.A. (Arizona , 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
Comments

FABACEAE

Pediomelum megalanthum (Wooton & Standl.) Rydb., N. Amer. Fl. [N.L.Britton & al., eds.] 24(1): 22 (1919)

Basionym:
Psoralea megalantha Wooton & Standl., Contr. U.S. Natl. Herb. 16: 140 (1913)
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megalanthum typicum ined.

w. & s. USA
73 COL 76 ARI NEV UTA 77 NWM

megalanthum epipsilum (Barneby) J.W.Grimes, Brittonia 38: 185 (1986)

Basionym:
Psoralea epipsila Barneby, Leafl. W. Bot. 3: 193 (1943)

Synonyms:
Pediomelum epipsilum (Barneby) S.L.Welsh

Arizona, Utah
76 ARI UTA

megalanthum retrorsum (Rydb.) J.W.Grimes, ibid.

Basionym:
Pediomelum retrorsum Rydb., N. Amer. Fl. [N.L.Britton & al., eds.] 24(1): 22 (1919)

Synonyms:
Psoralea mephitica retrorsa (Rydb.) Kearney & Pebbles
Psoralea retrorsa (Rydb.) Tidestr.

Arizona, Nevada
76 ARI NEV

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