Sacky Sac Bean

Inga laurina (Sw.) Wilid. Sp. PI. 4: 1018. 1806
Mimosa laurina Sw. Prodr. 85. 1788. Feuilleea laurina Kuntze, Rev. Gen. PI. 184.
1891.
A tree 7.5-15 m. high, glabrous throughout. Rachis of leaf wingless, bearing cup-shaped glands between each pair of leaflets; leaflets 1 to 3 pairs, obovate to lanceolate, cuneate at base, rounded or acuminate at apex, obtuse, 4-14 cm. long; spikes axillary, slender, 4—15 cm. long; calyx 2-3 mm. long; corolla 5 mm. long, white; stamens long-exserted, the slender tube 8 mm. long; legume flat, 5-15 cm. long, 2-3.5 cm. broad.
Type uocauty: St. Kitts, West Indies.
Distribution: Jalisco to Panama; Hispaniola to Virgin Islands, Barbados, Grenada and Trinidad.

Perennial, Woody throughout, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems greater than 2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Leaves alternate, Leaves petiolate, Extrafloral nectary glands on petiole, Stipules inconspicuous, absent, or caducous, Leaves compound, Leaves even pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 2, Leaflets 4, Leaflets 5-9, Leaves glabrous or nearly so, Leaves coriaceous, Inflorescences spikes or spike-like, Inflorescence axillary, Bracts very small, absent or caducous, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx hairy, Petals united, valvate, Petals white, Petals ochroleucous, cream colored, Petals greenish yellow, Stamens numerous, more than 10, Stamens monadelphous, united below, Stamens long exserted, Filaments glabrous, Style terete, Fruit a legume , Fruit unilocular, Fruit tardily or weakly dehiscent, Fruit indehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit glabrous or glabrate, Fruit 3-10 seeded, Seeds embedded in gummy or spongy pulp, Seed with elliptical line or depression, pleurogram, Seeds ovoid to rounded in outline, Seeds olive, brown, or black, Seeds with appendage - aril, caruncle, funiculus, or strophiole.

Inga laurina is a species of plant in the family Fabaceæ. It is found from Mexico south to Argentina. The species is present throughout most of Brazil, where it is called ingá-mirim (small ice-cream-bean) due to the relatively small pods.