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Chinese Plant Names | Family List | Boraginaceae | Trigonotis

Trigonotis petiolaris Maxim.


Description from Flora of China

Herbs perennial, densely cespitose, with short thick caudex. Stems numerous, cespitose, erect to ascending, 15-20 cm tall, sparsely fine strigose. Petiole of basal leaves 2-4 cm, sparsely strigose; leaf blade oblong to rotund, unequal in size, 0.7-4 × 0.7-1.5 cm, sparsely strigose, base rounded to subcordate, rarely broadly cuneate, apex rounded, mucronate. Upper stem leaves short petiolate, elliptic. Inflorescences terminal; bracts 2 or 3, basal, leaflike. Pedicel spreading or subhorizontal, filiform, 1-2.5 cm. Calyx lobes ovate, 1.5-2 mm, apex acute. Corolla light blue; tube ca. 1 × 1.5 mm; throat appendages ca. 0.5 mm; limb ca. 3 mm wide; lobes suborbicular. Nutlets dark brown, oblique subulate, trigonous-tetrahedral, pubescent, adaxial bottom surface slightly convex, 2 lateral surfaces flat, at their juncture 1 longitudinally ribbed; abaxial surfaces convex, triangular-ovate, ca. 1.5 mm, acutely 3-ribbed, apex acute; stipe short, curved.

* Hillside meadows, roadsides; 2700-2900 m. Gansu (E Qilian Shan), Qinghai.


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