Chamaecrista greggii (A. Gray) A. Heller

Chamaecrista greggii (A. Gray) Pollard; A. Heller, Cat. N. A PI. ed. 2, 5. 1900.
Cassia Greggii A. Gray, PI. Wright. 1: 59. 1852.
A low shrub, with short, whitish-puberulent twigs. Stipuleslinear-subulate, 1-2 mm. long; petiolar gland about 0.2 mm. broad, subsessile, turbinate; leaflets 3-5 pairs, coriaceous, glabrous, shining, strongly irregularly pinnately reticulate-veined, oblong, or the upper pair oblongobovate, 5-10 mm. long, the apex obtuse or rounded, mucronulate; pedicels nearly filiform, puberulent, 1-2 cm. long, subulate-bracteolate ; sepals ovate, puberulent, obtuse or acutish, 5-7 mm. long; petals obovate, the longer ones 10-14 mm. long; legume linear, long-acuminate, 3-4 cm. long, 4-6 mm. wide, glabrate.
Type ix>calitv; Near Rinconada, Monterey. Nuevo Leon. Distribution: Nuevo Le6n; Tamaulipas.

Perennial, Shrubs, Herbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems or branches a rching, spreading or decumbent, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Extrafloral nectary glands on petiole, Stipules inconspicuous, absent, or caducous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules free, Stipules clasping stem at the base, Leaves compound, Leaves even pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 5-9, Leaflets 10-many, Leaves glabrous or nearly so, Flowers solitary in axils, or appearing solitary, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescence axillary, Bracts very small, absent or caducous, Bracteoles present, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx hairy, Petals separate, Petals clawed, Petals orange or yellow, Stamens 9-10, Stamens heteromorphic, graded in size, Stamens completely free, separate, Filaments glabrous, Anthers opening by basal or ter minal pores or slits, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit internally septate between the seeds, Fruit compressed between seeds, Fruit explosively or elastically dehiscent, Valves twisting or coiling after dehiscence, Fruit glabrous or glabrate, Fruit hairy, Fruit 3-10 seeded, Seeds subquadrate, Seed surface smooth, Seeds olive, brown, or black.

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