Indigofera hendecaphylla Jacq.

Indigofera hendecaphylla Jacq Coll 2: 358. 1788
Indigofera endecaphylla Beauv. Fl. Oware 2: 44. 1807.
An annual or biennial; stem erect to procumbent, 3-10 dm. high, sparingly strigose or subglabrous; stipules lanceolate, acuminate, membranous, 6-8 mm. long, persistent; leaves 2.5-6 cm. long, short-petioled, the rachis strigose; leaflets 7-11, oblanceolate or oblongoblanceolate, 1-2.5 cm. long, obtuse or rounded and mucronate at the apex; racemes dense, 3-10 cm. long, many-flowered; corolla 5-6 mm. long, salmon-pink to light-scarlet; pod reflexed, linear, 1.5-2.5 cm. long, 2 mm. thick, 6-S-seeded; seeds 1.5 mm. long, 1 mm. thick.
Type locality : Guinea.
Distribution: Guadeloupe, naturalized; native of tropical Africa, Fast Indies, and China.

Perennial, Herbs, Taproot present, Nodules present, Stems or branches arching, spreading or decumbent, 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 alternate, Leaves petiolate, Stipules inconspicuous, absent, or caducous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets alternate or subopposite, Leaflets 5-9, Leaflets 10-many, Inflorescences racemes, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5- lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, 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 hairy, Fruit 3-10 seeded, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.

Indigofera hendecaphylla, the creeping indigo or trailing indigo, is a species of flowering plant in the family Fabaceae. It is native to the Old World Tropics and Subtropics, and has been introduced to various locales, including Japan and Australia. It was widely introduced as a forage plant when it was thought to be conspecific with Indigofera spicata, and then shown to be toxic to nearly all livestock, with some uncertainty as to which species was tested.

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