Dracocephalum fruticulosum Stephan ex Willd.

Rhizomes robust, woody, 8-10 mm in diam. Stems yellowish but base sometimes orange, 6-9 cm, slender, minutely retrorse hairy, especially apically and on nodes. Leaves sessile or subsessile, linear, 5-7 × 0.8-1.2 mm, margin entire or 1-3-spinescent-denticulate, sparsely minute hairy. Verticillasters on 3-5 upper nodes of stems and branches, in spikes ca. 1 cm; bracts linear to spatulate, ca. 4 mm, margin 2- or 3-spinescent-denticulate, with spines 3-3.5(-4) mm. Pedicel 1-1.4 mm. Calyx purple or purplish, tubular-campanulate, ca. 1.1 cm, minutely retrorse hairy, margin ciliolate, sparsely villous inside; tube ca. 7 mm, apical 1/3 slightly curved; limb 2-lipped to ca. 1/3 its length; upper lip teeth divisions nearly to lip base, teeth subequal, triangular, apex acuminate; lower lip teeth divided to lip base, as long as those of upper lip but narrower. Corolla purplish red when dry, white villous; tube slender, exserted portion dilated; upper lip lobes acute; lower lip longer, 3-lobed. Fl. Jun-Jul.

Deserts. Ningxia (Holan Shan) [Mongolia, Russia].

Dracocephalum linearifolium C. H. Hu.

Dracocephalum fruticulosum là một loài thực vật có hoa trong họ Hoa môi. Loài này được Steph. ex Willd. mô tả khoa học đầu tiên năm 1800.