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Trivrut (Species 1)

Common Names


Common Names To be Updated Soon

About    Taxonomy


Click to access the GRIN database record about the specific taxonomical hierarchy (Family, Genus etc.).

CLASSIFICATION


TAXON 


Operculina turpethum (L.) Silva Manso

FAMILY 


Convolvulaceae Juss.

ALTERNATE FAMILY


nom. cons.

SUBTRIBE


Merremieae

GENUS 


Operculina Silva Manso

SPECIES


turpethum (L.) Silva Manso Enum. subst. braz. 16. 1836 "turpetum"


Plant Description


Herbs perennial. Roots fleshy, long, much branched. Stems reddish, to 4 m, narrowly 3-5-winged, ± angular, gla-brous or densely pilose-tomentose on young parts. Petiole 2-10 cm, often winged; leaf blade cordate-circular, ovate, broadly ovate, ovate-lanceolate, or lanceolate, 4-14 X 3.5-14 cm, abaxially pubescent, adaxially appressed pilose to gla-brous, base cordate, truncate or obtuse, margin entire or undulate, apex acute or acuminate, mucronulate. Inflorescences cymose, often 2-flowered; peduncles 0.5-3 cm, usually terete; bracts 2, oblong to ovate-oblong, 1-2.5 cm, concave, pubescent. Pedicel 1.5-2 cm, striate-angular, clavate, to 4 cm in fruit. Sepals ovate to broadly ovate, unequal; outer 2 sepals 1.5-2 cm, abaxially pubescent; inner 3 shorter, subglabrous. Corolla white, sometimes with a yellowish base inside, broadly funnelform, 3.5-4 cm, glabrous, minutely yellowish glandular outside; limb 5-lobed. Filaments pubescent basally; anthers twisted. Fruit enclosed in cupular calyx, depressed globose, ca. 1.5 cm in diam. Seeds dull black, ovoid-trigonous, ca. 6 mm, glabrous. 2n = 30..

 

*Description source:  Efloras.org

NLAM BLOG DATA

  • Ayurveda references inform about two varities of Trivrut; Shwet (white variety) and Krishna (black variety or dark coloured variety).

  • O. turpethum is accepted as the source of Shwet Trivrut. However Krishna- Trivrut is a disputed plant as per its botanical identity

  • Many scholars accept the root of the plant Marsdenia tennicassima as the source of black variety of Trivrut. M. tennicassima is accepted as the source of another classical plant Moorva

STUDIES & RESEARCH