Pediomelum hypogaeum var. scaposum
Sida 12: 250. 1987.
Endemic
Basionym: Psoralea hypogaea var. scaposa A. Gray Boston J. Nat. Hist. 6: 173. 1850
Synonyms: Pediomelum scaposum (A. Gray) Rydberg Psoralea hypogaea subsp. scaposa (A. Gray) Ockendon P. scaposa (A. Gray) J. F. Macbride
Treatment appears in FNA Volume 11.
Leaves: petiole (20–)35–70 mm, barely longer to shorter than peduncle; leaflet blades lanceolate to elliptic. Peduncles (1.7–)4–9 cm, usually longer than, sometimes equal to, petiole, appressed-pubescent. Seed usually gray, rarely red-brown.
Phenology: Flowering spring–early summer.
Habitat: Primarily on limestone, sometimes sandy soils, rocky hills, grasslands.
Elevation: 200–700 m.
Discussion
Variety scaposum is found along the eastern edge of the Edwards Plateau and northwards into the Cross Timbers and Blackland Prairie ecoregions.
Selected References
None.
Lower Taxa
None.