Thanks Sir for the upload and plenty of useful information, very good compilation..
On Wed, May 1, 2013 at 9:39 AM, Gurcharan Singh <[email protected]> wrote: > *Blainvillea acmella* (Linnaeus) Philipson, Blumea 6 350 1950. > syn: *Verbesina* *acmella* L.; *Blainvillea alba* Edgew.; *Blainvillea > platyphylla* DC > > Roughly hairy stiff erect herb; lower leaves opposite, upper alternate, > ovate to deltate, up to 7 cm long, toothed; heads radiate, 8-12 mm in diam; > phyllaries few, outer leaflike; ray usually white, 2-3 lobed, disc > 5-merous; achenes 3-angled, inner flattened; pappus of 2-5 unequal > bristles. > > Photographed from near Dakpathar on way to Chakrata. > > Perhaps no other binomial has been so confused as Spilanthes acmella > > The name Spilanthes acmella is based on Verbesina acmella L. The > combination under Spilanthes appeared in Syst. Veg., ed. 13" 610 1774. > Till recently the combination was attributed to Murray in many reputed > books, Floras and databases (The Plant List, eFlora publications,etc.) > but as turns out Murray was only the editor of this publication and > Linnaeus the author of this combination, which should correctly be cited as > Spilanthes acmella (L.) L. Flora of British India recognises four varieties > under this: var acmella proper, var. calva, var. oleracea and var. > paniculata. Interestingly Koster and Philipson (1950) discovered that the > Verbesina acmella L., actually belongs to Blainvillea and should be better > known as Blainvillea acmella (L.) Philipson. The other names stay under > newly recognised genus Acmella and none (Indian species) under Spilanthes. > Incidently also the Blainvillea acmella (L.) Philipson includes another > species described in Indian Floras as Blainvillea platyphylla DC. The > species originally described as Spilanthes may accordingly include > following within Indian boundaries: > > *Blainvillea acmella* (L.) Philipson (syn: *Verbesina acmella* L.; *Spilanthes > acmella* (L.) L.; *Blainvillea latifolia* (L.f.) DC) > > *Acmella calva* (DC) R. K. Jensen (syn: *Spilanthes* *acmella* var. *calva > * (DC.) Clarke ex Hooker f.; *Spilanthes* *javanica* Sch.Bip. ex Miq.) > > *Acmella ciliata* (Kunth) Cass. (syn: *Spilanthes ciliata* Kunth.) > > *Acmella oleracea* (L.) R. K. Jensen (syn: *Spilanthes* *acmella* var. * > oleracea* (L.) C.B.Clarke ex Hook.f.; *Spilanthes oleracea* L.) > > *Acmella paniculata* (Wall. ex DC) R. K. Jensen (syn: *Spilanthes* * > acmella* var. *paniculata* (Wall. ex DC.) C.B. Clarke ex Hook. f.; * > Spilanthes* *paniculata* Wall. ex DC. > > *Acmella radicans* (Jacq.) R. K. Jensen var. *radicans *(syn: Spilanthes > radicans Jacq.) > > The following Key is on our website > > https://sites.google.com/site/efloraofindia/species/a---l/ar/asteraceae/ > acmella > > > The following key can help differentiating species in India of species > earlier treated under *Spilanthes* > * > * > 1a. Heads with white ray florets, achenes 3-angled............. * > Blainvillea acmella* > 1b. Heads discoid or with yellow ray florets, achenes > flattened....................(2) > > 2a. Heads > discoid...................................................................................(3) > 2b. Heads radiate, ray florets very small, achenes ciliate, > pappus of 2-3 > bristles.........................................................................(7) > > 3a. Corolla white, greenish white or with purple tinge, 4-merous, > pappus of 2-3 bristles................................*Acmella radicans > var. radicans* > 3b. Corolla pale yellow, yellow or orange > yellow.........................................(4) > > 4a. Pappus absent; stems decumbent, rooting at nodes; leaves ovate, > ahenes 1.7-2.2 mm, glabrous, if sparsely hairy then > hairs hooked > ........................................................................* > Acmella calva* > 4b. Pappus of 2-3 bristles, achenes hairy, hairs straight, stems > erect without nodal > roots.....................................................................(5) > > 5a. Mature achenes with cork-like margin; surface > > > tuberculate.................................................................... > *Acmella paniculata* > 5b. Mature achenes without cork-like margin; surface not > tuberculate..........(6) > > 6a. Corolla (disc floret) 4-merous, phyllaries 5-6, uniseriate, heads > 5.8-8 mm high, 4-6 mm diam.,receptacle 3-6 mm high.....*Acmella > uliginosa* > 6b. Corolla 5-merous, phyllaries 15-18, triseriate, > heads 8-23 mm high, 6-17 mm diam., receptacle 6-21 > mm high, leaves ovate-deltate........................................ > *Acmella oleracea* > > 7a. Mature achenes with evident cork-like margin; disc > corolla 5-merous; heads ovoid; leaves broadly ovate with > rounded to cordate base; phyllaries 7-10, biseriate; > heads 6-10 mm high, 6-9 mm in diam, receptacle 4-8 mm > > > high.............................................................................. > *Acmella ciliata* > 7b. Mature achenes without cork-like margin; leaf base > cuneate.................(8) > > 8a. Disc corolla 4-merous, heads cone-shaped; leaves elliptic > to narrowly ovate, cuneate at base; phyllaries 5-6, heads > 5.8-8 mm high, 4-6 mm diam. receptacle 3-6 mm high; > achenes 1.2-1.8 mm long, ciliate with straight hairs; > pappus of two unequal or subequal bristles, one up to > 0.7 mm long second up to 0.5 mm long..........................* > Acmella uliginosa* > 8b. Disc corolla 5-merous; phyllaries 8-11, biseriate; > heads 7.5-11.5 mm high, 6-8.5 mm diam, receptacle > 5-8.5 mm high; achenes ahenes 1.7-2.2 mm, glabrous, > if sparsely hairy then hairs hooked; pappus absent.........*Acmella > calva* > > > > > > > -- > Dr. Gurcharan Singh > Retired Associate Professor > SGTB Khalsa College, University of Delhi, Delhi-110007 > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > Phone: 011-25518297 Mob: 9810359089 > http://people.du.ac.in/~singhg45/ > > > > > -- > Dr. Gurcharan Singh > Retired Associate Professor > SGTB Khalsa College, University of Delhi, Delhi-110007 > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > Phone: 011-25518297 Mob: 9810359089 > http://www.gurcharanfamily.com/ > http://people.du.ac.in/~singhg45/ > > -- > > --- > You received this message because you are subscribed to the Google Groups > "efloraofindia" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- Regards, Dr. Nidhan Singh Assistant Professor Department of Botany I.B. (PG) College Panipat-132103 Haryana Ph.: 09416371227 -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/indiantreepix?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
