Seeds few, brown, oblong, dorsiventrally compressed, not becoming glutinous when wet, the testa cells with thick cell walls and large perforations forming a reticulate network in the lumen.
Style glabrous, exserted in long-styled flowers, included in short-styled flowers; stigmatic lobes 2, ovoid or filiform.
Ovary 2-locular; placentas peltate, attached to middle of septum; ovules several, immersed in the placenta.
Corolla tube short, ± cylindric or funnel-shaped, the lobes about as long or slightly longer.
Leaves sessile, linear or subulate, the upper gradually passing into bracts.
Calyx tube ovoid; limb tube not developed; teeth narrowly triangular.
Stipular sheath truncate, sometimes shortly sparsely ciliate.
Anthers well-included in long-styled flowers.
Capsule subglobose, dehiscing loculicidally.
Woody-based herbs.