White Leadtree

Leucaena glauca (L.) Benth. Journ. Bot. Hook. 4: 416. 1842
Mimosa glauca L. Sp. PI. 520. 1753. Mimosa leucocephala Lam. Encycl. 1: 12. 1783. Acacia glauca V/iUd.Sp.P.i: 1075. 1806. Acacia leucocephala Link, Hn-mn. 2: 444. 1822.
Usually a shrub, or a tree 6-10 m. high, recorded as reaching 20 m., the young twigs puberulent, the foliage glabrous or nearly so. Leaves 1-2 dm. long; peti le 3-6 cm. long, with or without a gland; pinnae 3-10 pairs; leaflets 10-20 pairs, linear-oblong or lanceolate, thin, 8-15 mm. long, acute, light green above, pale beneath; heads axillary or terminal, mostly clustered, 1.5-3 cm. in diameter; peduncles stout, puberulent or pubescent, 2-3 cm. long; calyx obconic, pubescent, 1 mm. long, its short teeth blunt; petals linear-spatulate, pubescent; stamens about 3 times as long as the petals; legume linear, 10-15 cm. long, about 1.5 cm. wide, finely pubescent, abruptly acute or mucronate at the apex, tapering at the base.
Type locality: America.
Distribution: Florida; Bermuda; West Indies; continental tropical America north to Veracruz; Old World tropics.