Rock Garden Plants
Pediomelum hypogaeum (Nutt.) Rydb. trib. Psoraleeae 
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FamilyFABACEAE
Genus speciesPediomelum hypogaeum (Nutt.) Rydb. trib. Psoraleeae
SynonymsPsoralea hypogaea Nutt.
Habitatamerican prairie
Altitudelowland-montane
Descriptionroots fusiform, stem setose, leaves palmatipinnate, leaflets 3-5, linear-lanceolate, raceme spicate, 1-3cm long, flowers 10-13mm long, pod ovate
Size5-10cm
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 , Montana , Wyoming )
     North-Central U.S.A. (Kansas , Nebraska )
     South-Central U.S.A. (New Mexico , Texas )
     Southeastern U.S.A. (Arkansas)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

FABACEAE

Pediomelum hypogaeum (Nutt.) Rydb., N. Amer. Fl. 24(1): 21 (1919)

Basionym:
Psoralea hypogaea Nutt., Fl. N. Amer. [Torrey & A.Gray] 1(2): 302 (1838)

Synonyms:
Lotodes hypogaea (Nutt.) Kuntze

lowland-montane
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hypogaeum typicum ined.

w. & c. USA, Arkansas
73 COL MNT WYO 74 KAN NEB 77 NWM TEX 78 ARK

lowland-montane

hypogaeum scaposum (A.Gray) Mahler, Sida 12: 250 (1987)

Basionym:
Psoralea hypogaea scaposa A.Gray, Boston J. Nat. Hist. 6: 173 (1850)

Synonyms:
Pediomelum scaposum (A.Gray) Rydb.
Psoralea scaposa (A.Gray) J.F.Macbr.

Pediomelum goughae Tharp & F.A.Barkley
Psoralea scaposa breviscapa Shinners

Texas
77 TEX

hypogaeum subulatum (Bush) J.W.Grimes, Mem. New York Bot. Gard. 61: 76 (1990)

Basionym:
Psoralea subulata Bush, Rep. (Annual) Missouri Bot. Gard. 17: 120 (1906)

Synonyms:
Pediomelum subulatum (Bush) Rydb.

Psoralea subulata minor Shinners

Kansas, Texas, Arkansas
74 KAN 77 TEX 78 ARK

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