Very nice compilation with keys. Awesome upload. On Saturday, January 11, 2020 at 9:38:22 PM UTC+5:30, Gurcharan Singh wrote: > > Some Beautiful Swertia species from Western Himalayas. > > Here are some species clicked from Western Himalayas > > A, B, a still unidentified species, perhaps a good material for young > researchers, Deovan Herbal Garden, Chakrata, September 17, 2011. > > C, D, S. cordata, Budher Caves Road, Chakrata, September 18, 2011. > > E, F, S. angustifolia var. pulchella, Tiger Fall Area, Chakrata, September > 18, 2011. > > G, H, S. chirayita, Deovan Herbal Garden, Chakrata, September 17, 2011. > > I, J, S. ciliata, Budher Caves Road, Chakrata, September 18, 2011. > > K, L, S. paniculata, Budher Caves Road, Chakrata, September 18, 2011. > > M, N, S. speciosa, Gulmarg, Kashmir, August 17, 2011. > > Here is the key I have tried to construct for species represented in our > databases efloroaofindia and Flowers of India. You may help me improve it. > > 1. Most flowers on a plant pentamerous.......................2 > > 1. Most flowers on a plant Tetramerous.......................11 > > 2. Nectary 1, naked.......................................................3 > > 2. Nectaries 2, fimbriate................................................5 > > 3. Cauline leaves ovate-cordate, less than twice as > > long as broad................................................S. cordata > > 3. Caulinine leaves narrowly ovate to linear-lanceolate, more than twice > as long as broad..............................4 > > 4. Filaments free, corolla pale yellow, with narrow purple band above > glands, leaves linear-lanceolate, usually > > less than 10 mm broad......................S. paniculata Wall. (incl. S. > dilatata Clarke) > > 4. Filaments connate into short tube at base, corolla pale purple with > broad purple band near base, leaves ovate lanceolate, upto 2 cm > broad................S. ciliata (D. Don ex G. Don) B. L. Burtt (syn: O. > purpurascens Wallich ex D. Don) > > 5. Nectaries linear or oblong, vertical...............................5 > > 5. Nectaries rounded to horse-shoe shaped, mostly near centre of > lobes..............................................................7 > > 6. Nectaries linear, near edges of lobes, with pilose fimbriae 2.5-3 mm > long, corolla pale blue with darker veins, capsule 9-12 mm > long.......................S. cuneata > > 6. Nectaries oblong, with a narrow scale and few long fimbriae, corolla > white or pale blue, capsule 5-6 mm > long.....................................................S. macrosperma > > 7. Leaves free at base, .................................S. tetragona > > 7. Leaves connate at base...............................................8 > > 8. corolla lobes ovate, shorter than 8 mm, cauline leaves connate for less > than 5 mm.........................S. thomsonii > > 8. Corolla lobes elliptic-oblong, longer than 8 mm...........9 > > 9. Leaves alternate, Corolla lobes lurid green..S. alternifolia > > 9. Leaves > opposite..........................................................10 > > 10. Plants less than 60 cm tall, cauline leaves less than 2 cm broad, > corolla lurid-grey to nearly white, seeds not > winged..........................................................S. petiolata > > 10. Plants up to 1.5 m tall, cauline leaves 2-4 cm broad, corolla > yellowish green with usually purple to blue veins, seeds > winged.....................................S. speciosa > > 11. Nectary > 1.....................................................................12 > > 11. Nectaries > 2..................................................................18 > > 12. Nectary naked................................................S. hookeri > > 12. Nectary > fimbriate........................................................13 > > 13. Inflorescence corymbose...........................................14 > > 13. Inflorescence elongate, paniculate.............................16 > > 14. Leaves crowded, calyx lobes lanceolate, corolla lobes broadly oblong, > white with blue nerves, nectary rounded covered with > scale.........................S. densifolia > > 14. Leaves > distant.............................................................15 > > 15. Calyx lobes linear-lanceolate, corolla lobes ovate, nectary ovate > watch-pocket shaped with 2 compound > fimbriae................................................................S. > lawii > > 15. Calyx lobes ovate, corolla white or lurid blue, lobes > elliptic-obovate, nectary orbicular covered with oblong scale with > fimbriate margin.........................S. beddomei > > 16. Leaves ovate-cordate, less than twice long as broad, stem mostly > 4-winged, corolla lobes lurid-green or yellow-green with purple veins or > dots...........S. alata > > 16. Leaves lanceolate or elliptic, more than twice as long as > broad............................................................17 > > 17. Leaves lanceolate to elliptic, corolla lobes yellow-green with purple > veins, fimbriae papillose..............S. nervosa > > 17. Leaves narrowly lanceolate, corolla lobes white to greenish with > purple dots, fimbriae minutely > hairy..........................................................S. > angustifolia (calyx lobes longer than corolla...var. angustifolia, 2/3 as > long as corolla....var. pulchella) > > 18. Nectaries naked, corolla lurid green, lobes tinged > purple...............................................................S. > lurida > > 18. Nectaries > fimbriate...................................................19 > > 19. Corolla lobes ovate, greenish-yellow, cauline leaves > connate......................................................S. thomsonii > > 19. Corolla lobes ovate acuminate, lurid green with purple base, cauline > leaves free at base................S. chiryata > > > > > > Dr. Gurcharan Singh > Retired Associate Professor > SGTB Khalsa College, University of Delhi, Delhi-110007 > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > Mob: 9810359089 > https://sing96.wixsite.com/mysite-1 >
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