Gentiana riparia (Gentiana riparia)
Description
Annuals 2-8 cm tall.Stem erect,fastigiate branched from middle with branches crowded into a capitulum,papillate.Leaves overlapping,crowded;petiole tube 1-1.5 mm;leaf blade spatulate to orbicular-spatulate,5-7 × 1.2-7 mm,narrowed toward stem apex,margin of lower leaves cartilaginous and upper leaves narrowly membranous,apex rounded and mucronate,midvein prominent.Flowers many.Pedicel 2-8 mm,surrounded by upper leaves,papillate.Calyx narrowly obconic,6.5-8 mm;lobes lanceolate to ovate,1.2-1.5 mm,margin membranous and smooth,apex obtuse and mucronate,midvein prominent.Corolla blue,funnelform,1-1.2 cm;lobes ovate,2.5-3 mm,margin entire,apex obtuse;plicae ovate,1.5-2 mm,margin entire,apex obtuse.Stamens inserted at middle of corolla tube,equal;filaments 2.5-3 mm;anthers ellipsoid,1-1.3 mm.Style 1.5-2 mm;stigma lobes oblong.Capsules obovoid,3-3.5 mm;gynophore to 8 mm.Seeds brown,ellipsoid,0.8-1 mm.Fl.and fr.Apr-May.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Gentianales
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Family: Gentianaceae
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Genus: Gentiana
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