foc
《中国植物志》英文修订版
Flora of China
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   12. Codonopsis levicalyx  L. T. Shen Acta Phytotax. Sin. 13(3): 55. 1975.
光萼党参   guang e dang shen
  

Codonopsis levicalyx var. hirsuticalyx L. T. Shen; C. rotundifolia Bentham var. angustifolia Nannfeldt.

  

Roots carrot-shaped, 10-35 × 0.5-1.4 cm. Stems twining, up to 2 m, branched, branches 15-30 cm, fertile or sterile, sparsely hirsute. Leaves on main stems alternate, those on branches opposite; petiole less than 10 mm; blade ovate or ovate-lanceolate, ca. 13 × 5 cm, abaxially sparsely or densely hirsute, adaxially sparsely hirsute, base cuneate or obtuse, margin crenulate or entire, apex acute or shortly acuminate. Flowers terminal on main stems or branches; pedicels glabrous, up to 10 cm. Calyx adnate to ovary up to middle; tube semiglobose, glabrous or sparsely hirsute; lobes ovate-triangular, 10-15 × ca. 6 mm, glabrous or hirsute, margin entire or crenulate, apex acute or obtuse, sinus between lobes narrow and pointed. Corolla yellow-green, with purple veins, campanulate, 1.8-2.5 × ca. 1.5 cm, glabrous; lobes deltoid, acute. Stamens glabrous; filaments slightly dilated at base, ca. 3 mm; anthers ca. 3 mm. Fl. Jul-Aug.

● Forests, scrub; 2300-3300 m. W Sichuan, SE Xizang.

A study conducted by D. Y. Hong after this treatment was finalized found Codonopsis levicalyx to comprise two species. The specimens from Sichuan belong to C. henryi, whereas those from SE Xizang represent a new species, which is to be published in 2011 or 2012.

A study conducted by D. Y. Hong after this treatment was finalized found Codonopsis levicalyx to comprise two species. The specimens from Sichuan belong to C. henryi, whereas those from SE Xizang represent a new species, which is to be published in 2011 or 2012.