Mokiak Milkvetch

Tium mokiacense (A. Gray) Rydberg
Astragalus mokiacensis A. Gray, Proc. Am. Acad. 13: 367. 1878. Astragalus lentiginosus mokiacensis M. E. Jones, Rev. Astrag. 126. 1923.
A biennial or perennial (?); stem erect, fleshy, striate, more or less strigose, sometimes canescent when young; leaves about 1 dm. long; stipules deltoid, 4-5 mm. long, reflexed, membranous; leaflets 11-17, obovate, retuse, sparingly strigose, or in age glabrate, 1-2 dm. long; racemes rather lax, 7-16 cm. long; bracts lanceolate, 2-3 mm. long; calyx strigose with blackish hairs, the tube about 5 mm. long, the teeth subulate, 2-2.5 mm. long; corolla pinkpurple, nearly 2 cm. long; banner elongate-obovate; wings nearly as long, the blade oblong with a basal auricle; keel-petals shorter, the blade broadly lunate; pod glabrous, lance-ovoid, 2 cm. long, 7—8 mm. wide, rather firm, both sutures intruding, but the pod not quite 2-celled.
Type locality: Mokiac Pass, on the border of Utah and Arizona. Distribution: Southwestern Utah, northeastern Arizona and southern Nevada.

Perennial, Herbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules membranous or chartaceous, Stipules persistent, Stipules free, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 5-9, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence axillary, Bracts very small , absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals blue, lavander to purple, or violet, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Style persistent in fruit, Fruit a legume, Fruit freely dehiscent, Fruit oblong or ellipsoidal, Fruit or valves persistent on stem, Fruit fleshy, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit inflated or turgid, Fruit beaked, Fruit glabrous or glabrate, Fruit hairy, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.