| Description of Species |
A very rigid, ramous, large shrub to small tree, armed with numerous strong thorns. Bark smooth, dark rust-colored scabrous bark. Branches erect, rigid, four-cornered, thick set with short, rigid round, diverging branchlets. Leaves simple, opposite, decussate; stipule interpetiolar, broadly triangular, acuminate; petiole stout, glabrous; leaf lamina obovate, oblanceolate or obovate-oblong, base cuneate or attenuate, apex obtuse or round, margin entire, glabrous above and pubescent and glaucous beneath. Flowers bisexual, white, solitary, at the end of branchlets, dimorphic with large and sessile, small and stalked; calyx tube turbinate, silky pubescent at throat, lobes 5, suborbicular; corolla tube short, lobes 5, large, spreading, orbicular, hairy at mouth, imbricate; stamens 5; anthers linear; ovary 2-celled, inferior, ovules many; style stout; stigma thick, 2 lobed. Fruit a berry, ovoid or ellipsoid, smooth, yellow; seeds smooth, compressed. |
Leaf Details |
Leaves simple, opposite, decussate; stipule interpetiolar, broadly triangular, acuminate; petiole stout, glabrous; leaf lamina obovate, oblanceolate or obovate-oblong, base cuneate or attenuate, apex obtuse or round, margin entire, glabrous above and pubescent and glaucous beneath. |