Trigonotis longiramosa W. T. Wang

Plants ?perennial. Stems diffuse, with long branches from base upward, ca. 60 cm tall, minutely crisped strigose. Basal leaves unknown. Lower stem leaves long petiolate; leaf blade ca. 5.8 × 2 cm, pubescent, base broadly truncate, apex obtuse, short apiculate; lateral veins 2 pairs, indistinct; upper leaves reduced in size upward, narrowly ovate, 1.5-4 cm, apex acute. Inflorescences 12-50 cm in fruit, minutely strigose; bracts in lower part, leaflike. Pedicel 1.5-6 mm, minutely strigose. Calyx lobes linear-lanceolate, ca. 1.2 mm, sparsely pubescent, margin long ciliate. Corolla glabrous; tube ca. 1.5 mm; faucal appendages low trapeziform, ca. 0.4 mm; limb ca. 5 mm wide; lobes orbicular-obovate. Anthers oblong, ca. 0.5 mm. Pistil ca. 1 mm. Nutlets subulate, trigonous-tetrahedral, smooth, glabrous, adaxially with sharp angles; abaxial surfaces deltate-ovate, ca. 1 × 1 mm; stipe ca. 0.2 mm. Fl. and fr. Oct.

* Sichuan.

Trigonotis longiramosa là loài thực vật có hoa trong họ Mồ hôi. Loài này được W.T. Wang miêu tả khoa học đầu tiên năm 1986.