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Tetrastigma ceratopetalum (Tetrastigma ceratopetalum)

Description

Lianas,robust,woody.Branchlets terete,tuberculate,glabrous;tendrils unbranched.Leaves pedately 5-foliolate;petiole 3-7.5 cm;central petiolule 0.5-1.5 cm,petiolules of lateral leaflet complex 0.5-1.8 cm,lateral petiolules short or lateral leaflets sessile,glabrous;leaflets obovate-elliptic or obovate-lanceolate,5-12 × 2.5-5 cm,glabrous,lateral veins 5-8 pairs,veinlets inconspicuous abaxially,raised adaxially,base cuneate,base of lateral leaflets asymmetric,margin 4-9-toothed on each side,teeth sharp,apex acute or mucronate.Compound dichasium terminal,axillary,or pseudoterminal,axillary inflorescences with nodes and bracts;peduncle 1-6 cm,glabrous.Pedicel 2-4 mm,glabrous.Buds bottle-shaped,1.5-2 mm,apex subtruncate.Calyx cupular,glabrous,margin undulate.Petals elliptic,1.3-1.5 mm,apex corniculate,glabrous.Filaments filiform,ca.1 mm;anthers yellow,ovoid-elliptic,ca.0.9 × 0.7 mm.Disk conspicuous,4-lobed,inconspicuous and annular in female flowers.Ovary ovoid-coniform,lower part of ovary adnate to disk;style short;stigma 4-divided.Berry purple-black,ovoid,1-2 cm in diam.,2- or 3-seeded.Seeds obovoid-triangular,base sharp,apex rounded or retuse.Fl.Apr-May,fr.Sep-Dec.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Magnoliopsida

          • Order: Vitales

            • Family: Vitaceae

              • Genus: Tetrastigma