Hoffmannseggia drepanocarpa A. Gray

Larrea drepanocarpa (A. Gray) Britton
^Hoffmaaseggia drepanocarpa A. Gray. PI. Wright. 1: 58. 1852. Caesalpinia drepanocarpa E. M. Fisher, Bot. Gaz. 18: 122. 1893.
Perennial, herbaceous with a woody root, glandless throughout, the stems finely pubescent, usually caespitose, about 2 dm. high, or lower, slender. Stipules ovate, acute; petiole and rachis finely pubescent; pinnae 7-11; leaflets 4-10 pairs, oblong, pubescent; racemes longer tlian the leaves, slender, few-flowered; pedicels 2-5 mm. long; calyx-lobes linear, pubescent, 5-8 mm. long, persistent; petals slightly longer than the calyx, short-clawed; style subclavate; legume puberulent, reticulate-veined, 3-4 cm. long, strongly falcate, curved into part of a circle, rounded or obtuse at both ends, 6-11-seeded.
Type locality: Near El Paso, Texas.
Distribution: Western Texas to Colorado, Arizona and Chihuahua.

Perennial, Herbs, Stems woody below, or from woody crown or caudex, Plants with rhizomes or suckers, Taproot present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipu les green, triangulate to lanceolate or foliaceous, Stipules free, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence terminal, Inflorescence leaf-opposed, Bracts very small, absent or caducous, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx gland-dotted or with glandular spot, Calyx hairy, Petals separate, Petals orange or yellow, Stamens 9-10, Stamens completely free, separate, Filaments hairy, villous, Style terete, Fruit a legume, Fruit stipitate, Fruit unilocular, Fruit freely dehiscent, Fruit oblong or ellipsoidal, Fruit strongly curved, falcate, bent, or lunate, Fruit exserted from calyx, Fruit hairy, Fruit gland-dotted or with gland-tipped hairs, Fruit 3-10 seeded, Fruit 11-many seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.