Rhynchospora rubra (Lour.) Makino, Bot. Mag. (Tokyo) 17: 180 1903. (syn: Cephaloschoenus parvus Nees; Mariscus umbellatus Zoll.; Morisia capitata Nees; Morisia wallichii Nees; Rhynchospora haenkei J.Presl & C.Presl; Rhynchospora parva (Nees) Kunth; Rhynchospora rubra f. elata Domin; Rhynchospora wallichiana Kunth; Rhynchospora wallichii (Nees) K.Schum.; Schoenus ruber Lour.; Scirpus retusus J.Koenig ex Wall.; Sphaeroschoenus wallichii (Nees) Nees);
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Tropical & Subtropical Asia to NW. Pacific: Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Borneo, Cambodia, Caroline Is., China South-Central, China Southeast, East Himalaya, Hainan, India, Japan, Jawa, Korea, Laos, Lesser Sunda Is., Malaya, Maluku, Marianas, Nansei-shoto, Nepal, New Guinea, New South Wales, Northern Territory, Philippines, Queensland, Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Vietnam as per POWO;
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Kunth Enum. ii. (1837), 289 (Rhynchospora) ; stems slender, head globose dense brown, bracts longer than head, style very shortly 2-fid, nut obovoid smooth or minutely scabrous on shoulders. Benth. Fl. Hongk. 396 and Fl. Austral, vii. 349 ; Thw. Enum. 352 ; Boeck, in Linnaea, xxxvii. 542 (excluding American examples). R. Haenkei, Presl. Rel. Hank. i. 199. Schoenus ruber, Lour. Fl. Cochinch, i. 52. Morisia Wallichii, Nees in Edinb. New Phil. Journ. 1834 (n. 34) 265 and in Wight Contrib. 115. Haplostylis Meyenii, Nees in Linnaea, ix. (1834), 295, and in Edinb. New Phil. Journ. 1834 (n. 34) 265, and in Wight Contrib. 115 (partly). Sphaeroschoenus Wallichii, Arnott & Nees in Nov. Act. Acad. Nat. Cur. xix. Suppl, i. 97. Cephaloschoenus parvus, Nees l. c. 100. Mariscus umbellatus var. procerior, Zoll. Verz. Ind. Archip, ii. 63.— Rynchospora, Wall. Cat. 3422, 3428.
Throughout India (except the North-west) alt. 0-5000 ft., common ; from Nepal and Assam to Ceylon, Nicobars, Kurz and Malacca.—Distrib. Trop. Africa, S.E. Asia to Japan, Malaya, trop. Australia.
Stems tufted, 4-24 in., trigonous, striate, smooth ; stolons 0. Leaves several, 1/2 stem, 1/8 in. broad, flat, minutely scabrous, glabrous or sometimes hairy. Spikelets 20-50 in a head, 1/3-1/2 in. diam. ; bracts 3-8, 1-3 in., glabrous or villous-ciliate. Glumes 6-7 ; 3 (or 4) lowest empty, ovate, scarcely acute ; fourth longer containing a perfect flower, fifth containing a sterile (or no) flower ; seventh glume (when present) narrow, thin, rudimentary. Hypogynous bristles sometimes 6 as long as nut, brown, scabrous (teeth pointing upwards) sometimes 6-4 half as long less scabrous, sometimes rudimentary or 0. Stamens 2, less often 3 ; anthers linear – oblong, crested. Nut 1/2 glume ; beak narrow conic, nut, pale, smooth or rarely scabrous. Sect. 2. HAPLOSTYLIS (Genus), Nees in Nov. Act. Acad. Nat. Cur. xix. Suppl, i. (1843), 101. Spikelet bearing one nut. Glumes obscurely disti¬chous. Nut dorsally compressed i.e. flattened with one face next axis (as in Juncellus).
(Attributions: IBIS Flora (Flora of British India))
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SK 3200 05 September 2021: 3 very high res. images.
Rhynchospora rubra (Lour.) Makino !
Yes, out of the two species mentioned in the Checklist of Nepal, this one appears close as per POWO, FoC illustration one and two, Research Gate,
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References: POWO Catalogue of Life The Plant List Ver.1.1 WCSP IPNI GBIF (High resolution specimens) Flora of China FoC illustration one and two Annotated checklist of Flowering plants of Nepal IBIS Flora (Flora of British India) Research Gate
