Indigofera miniata Ortega

Indigofera nana Rydberg, sp. nov
A dwarf perennial, with a thick root; stems numerous, 1 dm. high or less, canescent; stipules subulate-setaceous, 4-5 mm. long; leaves spreading, 1-2 cm. long; rachis and petiole strigose; leaflets 7-11, cuneate or oblanceolate, rounded or obtuse at the apex, tapering at the base, 5-10 mm. long, canescent; racemes 3-4 cm. long, rather dense; bracts lancesubulate; calyx strigose; corolla pink. 8-9 mm. long; pod 2.5-3 cm. long, 3 mm. thick, rather abruptly acute, 10-12-seeded; seeds 2-2.5 mm. long, 1.5 mm. thick.
Type collected at Sunguato, near Morelia. Michoacan, June 24, 1910, Fr. Arsene (herb. N. Y. Bot. Card.).
Distribution: Michoacan and Puebla.

Indigofera brevipes (S. Wats.) Rydberg, sp. nov
Indigofera leptosepala brevipes S. Wats. Proc. Am. Acad. 17: 342. 1882.
A perennial, with a thick root; stems several, branched, 1-3 dm. long, ascending or procumbent, strigose; stipules subulate, 2-3 mm. long; leaves spreading, 2-4 cm. long; rachis and petiole strigose; leaflets 4-7, grayish-strigose on both sides, those of the lower leaves obovate or cuneate, obtuse or rounded at the apex, 0.5-1 cm. long, those of the later leaves oblanceolate and obtuse or acutish, 1-1.5 cm., rarely 2 cm. long; peduncles 1-2 cm. long, not exceeding the leaves; racemes few-flowered, dense and short; bracts subulate; corolla pinkish, 7-S mm. long; pod 2-2.5 cm. long, 2 mm. thick, often somewhat curved, abruptly acute at the apex, 6-8-seeded; seeds 1.5 mm. long, 1 mm. thick Perhaps grading into /. miniata.
Type locality: San Rafael Mountains. San Luis Potosi.
Distribution: Southern Texas to Chihuahua, Durango, San Luis Putosi, and Tamaulipas

Indigofera hartwegii Rydberg
Indigofera mexicana Benth. PI. Hartw. 286. 1848. Not /. mexicana I., f. 1781.
A perennial, with a thick root and short woody caudex; stem woody at the base, ascending, 1-3 dm. long, somewhat angled, striate, branched; stipules fuscous, subulate or lanceolate, 2-3 mm. long; leaves spreading, 1-2 cm. long; rachis and petiole strigose; leaflets 5-9, oblanceolate or cuneate, 5-10 mm. long, 2-4 mm. wide, cuneate at the base, sessile, rounded or obtuse, and mucronate at the apex, glabrous or very sparingly strigose above, grayish-strigose beneath ; peduncle 1-2 cm. long; racemes short and dense; bracts lanceolate-subulate, fuscous, deciduous, shorter than the calyx; calyx strigose, 4 mm. long; corolla 6-7 mm. long; pod straight, 1.5-2 cm. long, 2.5 mm. thick, strigose, tapering at the apex, 6-12-seeded; seeds 2 mm. long, fully 1 mm. thick.
Type locality: Le6n (Guanajuato).
Distribution : Jalisco and Guanajuato to Oaxaca and Chiapas.

Indigofera miniata Ortega, Dec. 98. 1798
Indigofera ornithopodioides Schlecht. & Cham. I.innaea 5: 577. 1830. Not /. ornithopodioides Schum. 1827.
A perennial, with a thick woody root; stems several, branched, strigose, spreading or procumbent, 2-5 dm. long, slender, terete; stipules subulate, 2 mm. long; leaves spreading, 1-3 cm. long; rachis and petiole strigose; leaflets 5-9, linear-oblong or oblanceolate, 0.5-15 cm. long, acute, tapering at the base, subsessile, strigose-canescent on both sides; racemes lax, 3-8 em. long; calyx canescent, 4-5 mm, long; corolla 5-7 mm. long, light-scarlet; pod 1-2 cm. long, 2 mm. thick, tapering into a stout beak, 4-8-seeded; seeds 1.5 mm. long, 1 mm. thick.
Type locality: Cuba.
Distribution: Subtropical Florida; Cuba; southern Texas to Veracruz and Morelos.

Indigofera sphenoides Rydberg, sp nov
A perennial ; stems branching, decumbent, 3-4 dm. long, sparingly strigose ; stipules subulate, 2 mm. long; leaves spreading, 2-3 cm. long; rachis and petiole strigose; leaflets 4-8 (the lower pair usually represented by a single leaflet), cuneate, 5-9 mm. long, truncate or retuse at the apex, sparingly strigose on both sides; raeemes lax, 7-10 cm. long, bearing the flowers near the end; bracts subulate, shorter than the calyx; calyx strigose, 4-5 mm. long; corolla rosepurple, 7-S mm. long; pod 2.5-3 cm. long, 2.5 mm. broad, straight, strigose, 6-9-seeded; seeds 2 mm. long, 1.5 mm. thick, grayish-brown, mottled.
Type collected at San Dieguito, San Luis Potosi, June 13-16, 1904, Edward Palmer 95 (Gray Herbarium).

Perennial, Shrubs, Herbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems prostrate, trailing, or mat forming, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Stems with 2-branched hairs, dolabriform, Leaves alt ernate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules conspicuous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules deciduous, Stipules free, Leaves compound, Leaves pinnately 3-foliolate, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets alternate or subopposite, Leaflets 3, Leaflets 5-9, Leaves glabrous or nearly so, Inflorescences racemes, Inflorescences spikes or spike-like, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals pinkish to rose, Petals red, Banner petal ovoid or obovate, Wing petals narrow, oblanceolate to oblong, Wing petals auriculate, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Keel abruptly curved, or spirally coiled, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete , Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit inflated or turgid, Fruit internally septate between the seeds, Fruit beaked, Fruit hairy, Fruit 3-10 seeded, Seeds ovoid to rounded in outline, Seeds subquadrate, Seed surface smooth, Seeds olive, brown, or black.

Indigofera miniata, the scarlet pea or coastal indigo, is a species of flowering plant in the family Fabaceae, native to the US states of Kansas, Oklahoma, Texas, Alabama, and Florida, and to Mexico, Guatemala, and Cuba. It is a prostrate perennial with stems that are about 60 cm (2 ft) long, and salmon pink flowers.