1a. Stems not winged or rarely narrowly winged; glomeruli conical, subsessile, brownish; outer florets not more than 4 ——– 2. Sphaeranthus amaranthoides
b. Stems winged; glomeruli spherical or ovoid, pedunculate, glabrous, white, purple or violet; outer florets more than 4 ——– 2
2a. Wings entire, glomeruli not more than 1 cm across; peduncles glabrous; involucral bracts not ciliate at apex —–1. Sphaeranthus africanus
b. Wings toothed; glomeruli up to 2.5 cm across, peduncles pubescent; involucral bracts ciliate at apex ———3
3a. Leaves double-dentate and with stalked glands —— Sphaeranthus indicus
b. Leaves single dentate and with sessile glands ——– Sphaeranthus senegalensis
(Ref. Flora of India Vol.13-Asteraceae (Inuleae-Vernonieae) By R.K. Hajra et al.1995. BSI, India)
|Sphaeranthus africanus L. (Images by Pudji Widodo (ID by Vijayasankar Raman) and Prashant Awale, Inserted by Gurcharan Singh (PLease click links to see details and more images))|
Sphaeranthus gomphrenoides O. Hoffm. (Sphaeranthus gomphrenoides (Compositae): New record to Asia with its identity, typification, and distribution– Vol. 514 No. 3: 17 August 2021)
|Sphaeranthus indicus L. (Images by Balkar Singh, Surajit Koley, Dinesh Valke, Satish Phadke, Prashant Awale and Shobha Halwe-Chavda (ID by Nidhan Singh), Inserted by Gurcharan Singh (Please click links to see details and more images))|
|Sphaeranthus senegalensis DC. (Images by Balkar Singh, Inserted by Gurcharan Singh (Please click link to see details))
Sphaeranthus species in India:
- Sphaeranthus africanus L.
- S. amaranthoides Burm.f.
- S. indicus L.
- S. senegalensis DC.
Karthikeyan, S., Sanjappa, M. and Moorthy, S. 2009. Flowering Plants of India, Dicotyledons, vol-I (Acanthaceae- Avicenniaceae). Botanical Survey of India, Kolkata. pp.277.
Pl. go through Sphaeranthus (Asteraceae (Compositae)) page with images of species (done by …) in efloraofindia.
If you find any mis-identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, it will be really nice.
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