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FOC | Family List | FOC Vol. 16 | Boraginaceae | Trigonotis

24. Trigonotis radicans (Maximowicz) Riedl, Linzer Biol. Beitr. 25: 94. 1993.

北附地菜 bei fu di cai

Omphalodes sericea Maximowicz, Bull. Acad. Imp. Sci. Saint-Petersbourg 17: 453. 1872; O. aquatica Brand; O. aquatica var. sinica Brand; O. sericea var. koreana Brand; Trigonotis coreana Nakai; T. nakaii H. Hara; T. radicans var. sericea (Maximowicz) H. Hara; T. sericea (Maximowicz) I. M. Johnston; T. sericea Ohwi.

Herbs perennial, sparsely short strigose, glabrescent, or more densely sericeous-strigose. Stems several, cespitose, erect becoming creeping, to 50 cm tall, rooting from apex or producing rooting branches from axils of upper leaves. Petiole of basal leaves to 18 cm; leaf blade oblong-ovate to ovate, 1-4 cm, rarely longer, abaxially finely short strigose, base cordate to rounded, apex acute; midvein prominent, lateral veins obscure; stem leaves short petiolate. Pedicel to 2 cm in fruit, densely short strigose. Flowers solitary, above stem leaf axils. Calyx 5-parted; lobes lanceolate to broadly ovate, ca. 3 mm, to 5 mm in fruit, apex acute. Corolla light blue or white; tube ca. 1.2-2 mm; throat appendages ca. 0.5 mm, pubescent; limb 6-8(-12) mm wide; lobes divaricate, oblong. Anthers elliptic, ca. 0.5 mm, apex obtuse. Mature nutlets brown, oblique subulate, trigonous-tetrahedral, pubescent, adaxial bottom surface slightly smaller than 2 lateral surfaces; abaxial surfaces flat, rhomboid to rhomboid-ovate, ca. 2 mm, margin narrowly ribbed, apex acute; stipe ca. 0.8 mm, curved. Fl. Jun-Aug, fr. Jul-Sep.

Forest margins, thickets, brookside meadows. NE Hebei, Heilongjiang, Jilin, Liaoning [Japan, Korea, Russia].


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