Wahlenbergia wyleyana Sond.

Stems many, dichotomously branched, glabrous, branches spreading, divaricate; leaves aggregated at the base, ovato-lanceolate, acute, attenuated at the base, subpilose, coriaceous, minutely denticulated on the thickened margins; bracteae lanceolate or linear, upper ones minute; peduncles dichotomous; calyx glabrous, tube broadly obconical, about as long as the acuminate lobes; corolla broadly infundibuliform, 5-lobed at the apex, 3-times longer than the calyx-lobes; capsule obovoid, 3-celled.