Angiosperms (Flowering Plants) • Earth.com

Swertia cuneata asterocalyx

(Swertia cuneata asterocalyx)

galery
en

Description

Perennials 15-30 cm tall.Rhizomes blackish,short,with few slightly fleshy rootlets.Stems erect,striate,simple,base sheathed by blackish remains of old petioles.Leaves mostly basal;petiole winged,1.2-3 cm;leaf blade spatulate to obovate,1.5-3.5 × 0.9-1.2 cm,base narrowed and decurrent into wings of petiole,apex rounded,veins 3-7,arcuate.Middle to upper stem leaves 2 or 3 pairs,sessile or short petiolate;leaf blade narrowly elliptic,2-5.5 cm × 6-11 mm,base narrowed,apex obtuse,veins 3-5.Inflorescences ra-cemelike,5-7-flowered.Flowers 5merous.Pedicel spreading,2.7-7 cm.Calyx lobes usually spreading,oblong-spatulate to elliptic,6-9 mm,base usually distinctly contracted into a claw,margin dark brown and slightly revolute,apex rounded.Corolla pale blue,2-3 cm in diam.;tube 1.5-2 mm,base bearing 5 bundles of yellow hairs;lobes ovate-elliptic,1.5-2 cm,apex obtuse.Nectaries 2 per corolla lobe,linear-oblong,radially elongated,with pilose fimbriae 2.5-3 mm.Filaments 9-10 mm;anthers ellipsoid,2-2.5 mm.Style indistinct;stigma lobes suborbicular.Capsules ovoid-ellipsoid,0.9-1.2 cm.Seeds brown,subglobose,ca.2 mm;seed coat reticulate.Fl.and fr.Sep-Oct.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum:
Class: Magnoliopsida
Order:Gentianales
Family:Gentianaceae
Genus:Swertia
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