Omphalotrigonotis vaginata Y. Y. Fang

Herbs perennial, minutely strigose. Stems branched near base, ca. 20 cm tall. Basal leaves 4 or 5; petiole ca. 5 cm, membranous and sheathing at base; leaf blade broadly elliptic, 0.8-1.6 cm × 6-12 mm, densely white strigose, base rounded to truncate, apex acute; stem leaves alternate, ovate-elliptic to elliptic, 1.7-3.5 × 0.7-1.5 cm. Cymes terminal, racemelike, 2-3 cm, ebracteate. Pedicel ca. 2 mm. Calyx 2.5-3 mm, to 4 mm in fruit, parted to base; lobes narrowly oblong. Corolla blue, ca. 6 mm; tube slightly longer than calyx; throat appendages semilunar; limb divaricate; lobes 5, elliptic-rounded, ca. 2.5 mm. Stamens inserted at middle of tube; filaments less than 1 mm, ca. as long as anthers. Style ca. 3 mm; stigma 2-lobed. Nutlets 4, tetrahedral, ca. 2 mm, affixed to gynobase at adaxial angle, with a cupular abaxial projection.

* Zhejiang.

Omphalotrigonotis vaginata là loài thực vật có hoa trong họ Mồ hôi. Loài này được Y.Y. Fang mô tả khoa học đầu tiên năm 1987.