A small shrub, with straight, somewhat angular, rufous- 
downy branches. Leaves opposite, subsessile, rigid, pun- 
gent, 3-lobed, smooth on each side, netted beneath; lobes 
equal, linear-ovate, acuminate, spiny; those at the back 
generally 2-lobed. /owers usually in pairs, axillary, with 
bracteolate downy pedicels. ‘Calyx campanulate, 2-lipped: 
upper lip 2-lobed, lower 3-parted ; with small ovate-acute 
segments. Corolla small, yellow; keel and ale projecting, 
shorter than the vexillum; veri/lum roundish, retuse at 
end. Stamens 10, distinct. Ovarium smooth, shorter than 
stamens. Style ascending, subulate. Stigma very small. 
