Pediomelum hypogaeum var. subulatum

(Bush) J. W. Grimes

Mem. New York Bot. Gard. 61: 76. 1990.

Endemic
Basionym: Psoralea subulata Bush Rep. (Annual) Missouri Bot. Gard. 17: 120. 1906
Synonyms: Pediomelum subulatum (Bush) Rydberg
Treatment appears in FNA Volume 11.

Leaves: petiole 30–210 mm, usually 1/2 as long as or equal to subtended peduncle; leaflet blades oblanceolate to rhombic. Peduncles 2–14 cm, equal to or more than 1/2 as long as subtending petiole, hirsute-villous. Seed red-brown.


Phenology: Flowering spring–early summer.
Habitat: Dry, sandy soils, open woodlands, grasslands.
Elevation: 0–400 m.

Discussion

Variety subulatum is found in Miller and Nevada counties in Arkansas, Marshall County in Oklahoma, and in Texas in Gulf and blackland prairies vegetation and post-oak savanna woodlands, as well a few collec­tions from Piney Woods in Hardin County.

Selected References

None.

Lower Taxa

None.
Ashley N. Egan +  and James L. Reveal† +
(Bush) J. W. Grimes +
Psoralea subulata +
Ark. +, Okla. +  and Tex. +
0–400 m. +
Dry, sandy soils, open woodlands, grasslands. +
Flowering spring–early summer. +
Mem. New York Bot. Gard. +
Pediomelum subulatum +
Pediomelum hypogaeum var. subulatum +
Pediomelum hypogaeum +
variety +