apice inaequaliter 2-4 dentato; corolla usque ad 20 cm. 
longa, urceolata, apice 5-dentata, margine inter dentes 
breviter retusa; capsula obovata, prominenter bisulcata, 
irregulariter verrucosa, usque ad 12 cm. longa; semine 
reniformi, testa glabra; numerus chromosomicus, 2n= 24, 
Perennial shrub or small tree reaching 8 meters or more 
in height; leaves alternate; blades up to 20 cm. long and 
up to 10 em. broad, puberulent on both surfaces, ovate 
to ovate-elliptic in outline with an acute apex and a sub- 
equal base decurrent on the up-to-10 cm. long petiole; 
margins entire to irregularly sinuate-dentate; the larger, 
dentate leaves occurring on juvenile shoots with the 
smaller and entire ones on older branches; flowers axil- 
lary on somewhat arcuate, 1.5-2.7 cm. long pedicels; 
corolla tube basally green becoming light red which fades 
into yellow near the mouth, the veins red, interior of the 
tube deeply red tinged between the nerves, the upper 
half yellowish white, becoming deeply yellow near the 
mouth; calyx glabrous, somewhat inflated, cylindric, 
4,.5-8 cm. long, often split along one side giving a spathe- 
like appearance to it; calyx teeth two to four, unequal 
in length; corolla up to 20 cm. long, urceolate, terminat- 
ing in a 5-dentate orifice, each tooth supported by three 
prominent nerves; the margin between the short and 
acuminate teeth slightly retuse; the five stamens free, 
epipetalous, extending to just below the mouth of the 
corolla, attached to the corolla tube at approximately 
the same level, 7-8.9 cm. from the base; filaments gla- 
brous above, becoming villous near the point of adnation, 
anthers white, filaments pale green; shortly after anthe- 
sis the calyx dehisces at the base of the ovary and is shed; 
capsules obovate, deeply bisuleate with a secondary shal- 
low division, up to 12 cm. or more in length, warty in 
appearance; seeds reniform, about 7 mm. long and 5 
mm. wide, seed coat smooth on both sides, shiny, slightly 
[ 261 J 
