Shrub 1.2-3 m tall. Leaves sessile, ovate to narrowly so, 4-9 cm long (juveniles much longer), 30-55 mm wide, spino-dentate with 13-21 pungent teeth distributed evenly around margins; base cordate-amplexicaul; margins flat, not recurved; surfaces similar, glabrous. Conflorescence axillary, usually simple, loosely subglobose on a long peduncle; floral rachis 2-6 mm long. Pedicels 2-2.5 mm long. Torus extended a little beyond pedicel on dorsal side. Flower colour: perianth red with a paler (to yellow) limb; style red. Perianth glabrous outside, villous inside. Pistil 8-9.5 mm long, glabrous; stipe 1.2-2.2 mm long, adnate to torus and initially reclinate relative to pedicel; style not exserted from late bud. Follicle obloid, 9-10.5 mm long, glabrous.
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