Leaves cordate-ovate, acuminate, with the sinus of the 
base open, and the lobes rounded, slightly pilose on each 
side, as are the petioles, paler on the lower than the upper 
surface. Umbels between the petioles, with a pilose 
peduncle the length of the petioles, and an obsolete involu- 
crum, one-leaved on one side; pedicels filiform, pilose, 
longer than the flowers. Calyx 5-leaved, spreading, with 
linear, acuminate, hairy sepals, which are shorter than the 
corolla. Corolla before opening, roundish-ovate, acuminate ; 
when open, rotate, 5-parted, greenish-yellow; the seg- 
ments flat, coriaceous, ovate, acuminate, externally pubes- 
cent, internally velvety about the faux, which has a rim; 
scales 5, purple, transverse, opposite the petals, placed 
within the faux, overhanging the tube. Corona purple, 
with 5 angles. 
Jack. 
