Argyreia sikkimensis (C.B. Clarke) Ooststr., Blumea 7: 178. 1952 Revision of the genus Argyreia (Convolvulaceae) from India P. R., Lawand Shimpale, V. B. Rheedea 2024 2024-12-31 34 5 337 396 GJCB (C. B. Clarke) Ooststr., Blumea Ooststr., Blumea C. B. Clarke Magnoliopsida Convolvulaceae Argyreia Plantae Solanales 49 386 Tracheophyta species sikkimensis  Clarke in Hook.f., Fl. Brit. India4: 194. 1883.    Lectotype(designated by Mill, 1999): INDIA,   West  Bengal, Darjeeling, Pomong,  3000 ft.,  23.08.1869,  C. B .  Clarke8808 ( K[ K000830672digital image!]; Isolecto K[ K000830674, K000830677, K000830673, K000830675, K000830676 & K000830678 digital images!], C [C10009596 digital image!], M [M-0184922 digital image!], P [P00584832, P00584833 & P00584834 digital images!]).   Argyreia venustaChoisy, Mém. Soc. Phys. Genève 6: 419. 1834.  Argyreia argentea(Roxb.) Sweet var. venusta(Choisy) C.B.Clarkein Hook.f., Fl.   Brit. India 4: 185. 1883.  Type: INDIA,  Assam, Goalpara,  06.08.1808, Wallich Cat. 1414/2 s.n.( GDC[ G00134958digital image!]).  Fig. 13 A climber; stem woody towards the base, younger stem herbaceous towards the apex, appressed strigose. Leaf lamina elliptic, 8–14 × 3–6 cm, apex acute or narrowly acute, base cuneate to obtuse or round, sparsely strigose below, nearly glabrous above,secondary veins 6–8pairs,raised prominently below; petiole 3–7 cmlong, appressed strigose like stem, terete, green. Inflorescence axillary lax cyme, 4–6-flowered; peduncles 7–16 cmlong, longer than the petiole, strigose, green, terete. Bracts 2–3, oblong to linear, 1–2 cmlong, caducous, strigose outer. Sepals 5, elliptic to widely elliptic, persistent and elongate in fruits, 5–8 mmlong, subequal, apex obtuse to round, strigose outer, glabrous inside. Corollainfundibuliform, 5–6 cmlong; corolla tube 3–3.5 cmlong, rose pink in colour, throat dark purple, sparsely hairy on midpetaline bands. Stamens 5, included within corolla tube, unequal, 2 long, c. 3 cmlong, 3 short- 2–2.5 cmlong; filaments white, dilated and glandular hairy at base; anthers pink 3–4 mmlong. Ovary glabrous, 2-celled; style filiform, white; stigma biglobose, papillate, purple in color. Berries c. 8 mmacross, 2–4-seeded.  Flowering & Fruiting: August to February.  Habitat: Grows in evergreen forests at higher altitudes.  Distribution: India( Assam, Meghalaya, Sikkimand West Bengal), Bangladesh, and Nepal.  Etymology: The specific epithet ‘sikkimensis’ refers to Sikkim.  Note: The species is closely allied to  Argyreia ellipticain its elliptic leaves, small, caducous bracts, few flowered inflorescences with longer peduncle, sepal shape and fruit size. [166,758,1955,1996] India West 49 386 1 lectotype 1869-08-23 C, B 914 49 386 1 K 49 386 K000830672, K000830674, K000830677 1 1808-06-08 GDC India Goalpara 49 386 G00134958 1 Assam