小花假糙苏 xiao hua jia cao su

Herbs erect, with yellowish indumentum. Stems ca. 35 cm, solitary, base ca. 2.5 mm in diam., apex densely retrorse appressed puberulent, hairs ± spreading toward base. Petiole (0.5-)2-2.5 cm, longer basally; leaf blade lanceolate, ca. 10 × 3.5 cm, membranous, sparsely puberulent, densely so on adaxial midrib and veins, densely impressed glandular abaxially, base attenuate, margin irregularly serrate, apex long acuminate. Verticillasters (3-)5-7-flowered; bracteoles subulate, ca. 1 mm. Pedicel ca. 2 mm. Calyx obconical, ca. 5 mm, dilated to 3 mm wide at throat, sparsely retrorse puberulent, glabrous except for puberulent teeth inside, obscurely 5-veined; teeth broadly triangular, ca. 1.5 × 1.3 mm, apex long acuminate. Corolla ca. 9 mm; tube ca. 4 mm, puberulent apically, glabrous basally, pilose annulate inside; upper lip erect, oblong, entire, densely puberulent outside; lower lip sparsely puberulent outside. Ovary glabrous. Fl. Jun.

* Grasslands; ca. 1500 m. Taiwan.