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Damnacanthus indicus indicus (Damnacanthus indicus indicus)

Description

Shrubs, 0.3-1.5 m tall. Roots fleshy, moniliform. Branches densely hispidulous to hirtellous, sometimes becoming glabrescent, terete or sometimes 4-angled, with numerous persistent spines 3-20 mm. Petiole of developed leaves 0.5-3 mm, strigillose, hispidulous, or glabrescent; leaf blade drying stiffly papery to leathery and discolorous, ovate, cordiform, elliptic-ovate, elliptic, or broadly elliptic, 0.5-2(-3) - 0.5-1(-1.5) cm, adaxially glabrous, abaxially glabrous or sparsely hirtellous to strigillose along veins, base obtuse to rounded, truncate, or cordulate, sometimes oblique, margins entire and flat, apex acute; midrib thinly prominulous adaxially; secondary veins 2 or 3(or 4) pairs; stipules quickly fragmenting or caducous, interpetiolar, narrowly to broadly triangular, 0.3-1 mm, strigillose to glabrescent, acute to glandular-fimbriate. Inflorescences strigillose to hispidulous. Pedicels 0.5-8 mm. Calyx strigillose to glabrous; hypanthium portion turbinate, 1-1.5 mm; limb 0.8-2 mm, lobed for 1/4-4/5; lobes broadly triangular to narrowly triangular. Corolla white, glabrous outside; tube 7-9 mm; lobes elliptic to lanceolate-elliptic, 2.5-5 mm. Drupes 4-6 mm in diam.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Magnoliopsida

          • Order: Gentianales

            • Family: Rubiaceae

              • Genus: Damnacanthus