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Acanthocalyx nepalensis (Acanthocalyx nepalensis)

Description

Nepal Thornsepal is a close cousin of the Whorlflower, but a much smaller plant. Flowering stems are only 8-15 cm high. Flowers are pinkish-purple, few in closely grouped whorls, forming a dense head at the top. Below the cluster are leaf-like bracts with prominent long bristles (not spines). Flower-tube is 1-1.5 cm long, curved, petals nearly equal, about 3 mm. Calyx is tube-shaped, green below, purple above, or entirely purple, 7-15 mm; tube about half as long as total length of calyx; fissure large, edges hairy and toothed-spiny; spines usually 5, irregularly arranged. Fertile stamens are 4, do not protrude out. Rosette leaves are lanceshaped or linear-lanceshaped, less frequently linear, 10-25 x 0.5-2.6 cm, both surfaces hairless, base narrowed, sheathing, margins usually bristly or spiny, tip pointed to tapering. Stem leaves are 2-4-paired, elliptic to linear-lanceshaped, reduced above; lowermost pair often reduced, subovate or spoon-shaped, spineless; uppermost pair densely spiny at base. Nepal Thornsepal is found in Eastern Himalayas, from W Nepal to Sikkim and SW China, at altitudes of 3000-4400 m. Flowering: June-August.

Taxonomic tree

  • Domain: Eukarya

    • Kingdom: Plantae

      • Phylum:

        • Class: Magnoliopsida

          • Order: Dipsacales

            • Family: Caprifoliaceae

              • Genus: Acanthocalyx