银脉爵床属 yin mai jue chuang shu

Authors: Jia-qi Hu & Thomas F. Daniel

Herbs, decumbent, often rooting at basal nodes. Leaves petiolate. Inflorescences terminal, spikes or sometimes in panicles with spicate branches, bracteate; bracteoles 2. Calyx 5-lobed. Corolla tube short, distally slightly enlarged into a throat; limb 2-lipped; lower lip 3-lobed, lobes subequal; upper lip 2-cleft, lacking a stylar furrow (so far as known); lobes ascending cochlear in bud. Stamens 2, inserted slightly above throat; anthers 2-thecous; thecae equally to subequally inserted, parallel, subequal, base muticous; staminodes absent. Disk without an annulus. Capsule unknown.

● One species: China (Taiwan).

Kudoacanthus was recently shown to pertain to the "Tetramerium lineage" of Justicieae (L. McDade et al., Amer. J. Bot. 95: 1136-1152. 2008). Whether K. albonervosa is generically distinct remains to be determined; it appears very similar to Leptostachya wallichii.

Lower Taxon

• Kudoacanthus albonervosa Hosokawa