Astragalus puniceus var. gertrudis (Greene) Barneby

Pisophaca gertrudis (Greene) Rydberg
Astragalus Gertrudis Greene, Leaflets 2: 43. 1910.
A perennial, with a woody root; stems numerous, ascending, flexuose, branched, purplish,
2-3 dm. long, more or less strigose; leaves 4-7 cm. long, spreading; lower stipules connate,
the upper free, deltoid-lanceolate, 3-4 mm. long; leaflets 17-23, cuneate-oblong, rounded to
retuse at the apex, 5-10 mm. long, 2-3 mm. wide, varying from strigose on both sides to
glabrate; peduncles about 5 cm. long; racemes short, 2-4 cm. long; bracts lanceolate, 2-3 mm.
long; pedicels about 2 mm. long; calyx loosely pilose to glabrate, the tube 5-6 mm. long, the
lobes 2.5-3 mm. long, subulate; corolla about 15 mm. long, purple; banner with darker veins,
obovate; wings shorter, the blade broadly oblanceolate, longer than the claw, with a large
auricle; keel-petals shorter, the blade broadly lunate, shorter than the claw; pod short-villous,
oblong, rounded at the base, acute at the apex, about 2 cm. long, 5 mm. wide, 6 mm. thick, the
upper suture nearly straight, the lower more ventricose and sulcate.
Type locality: Toas County, New Mexico. Distribution: Known only from the type locality.