Inga standleyana Pittier

Inga standleyana Pittier, Contr. U. S. Nat. Herb. 18: 204. 1916
A low tree, the twigs densely brownish-hairy. Rachis of the leaf wingless, brownishpubescent, bearing cup-shaped glands between the pairs of leaflets; leaflets 4 pairs, ovate to obovate, rounded at base, obtuse or sometimes short-acuminate and acute, in age glabrate and shining above, strongly nerved and densely pubescent beneath, 5-13 cm. long; spikes solitary, or in 2's or 3's, 2.5-5 cm. long, on pubescent peduncles 2-4 cm. long; calyx 5 mm. long, tomentose; corolla 2 cm. long, tomentose; stamens 5-6 cm. long, pink, the tube about as long as the corolla; legume flat, densely brownish-hairy.
Type locality: Near La Palma. southern Panama. Distribution: Known only from the type locality.